Just unix2dos, nothing to see here ...

git-svn-id: svn://svn.icculus.org/quake3/trunk@1681 edf5b092-35ff-0310-97b2-ce42778d08ea

5 files changed, 1704 insertions, 4110 deletions

diff --git a/code/qcommon/files.c b/code/qcommon/files.c
index 1b17808..249470b 100644
--- a/code/qcommon/files.c
+++ b/code/qcommon/files.c
@@ -202,6 +202,7 @@ static const unsigned pak_checksums[] = {
 typedef struct fileInPack_s {
 	char					*name;		// name of the file
 	unsigned long			pos;		// file info position in zip
+	unsigned long			len;		// uncompress file size
 	struct	fileInPack_s*	next;		// next file in the hash
 } fileInPack_t;
 
@@ -990,7 +991,6 @@ int FS_FOpenFileRead( const char *filename, fileHandle_t *file, qboolean uniqueF
 	fileInPack_t	*pakFile;
 	directory_t		*dir;
 	long			hash;
-	unz_s			*zfi;
 	FILE			*temp;
 	int				l;
 	char demoExt[16];
@@ -1118,26 +1118,17 @@ int FS_FOpenFileRead( const char *filename, fileHandle_t *file, qboolean uniqueF
 
 					if ( uniqueFILE ) {
 						// open a new file on the pakfile
-						fsh[*file].handleFiles.file.z = unzReOpen (pak->pakFilename, pak->handle);
+						fsh[*file].handleFiles.file.z = unzOpen (pak->pakFilename);
 						if (fsh[*file].handleFiles.file.z == NULL) {
-							Com_Error (ERR_FATAL, "Couldn't reopen %s", pak->pakFilename);
+							Com_Error (ERR_FATAL, "Couldn't open %s", pak->pakFilename);
 						}
 					} else {
 						fsh[*file].handleFiles.file.z = pak->handle;
 					}
 					Q_strncpyz( fsh[*file].name, filename, sizeof( fsh[*file].name ) );
 					fsh[*file].zipFile = qtrue;
-					zfi = (unz_s *)fsh[*file].handleFiles.file.z;
-					// in case the file was new
-					temp = zfi->file;
 					// set the file position in the zip file (also sets the current file info)
-					unzSetCurrentFileInfoPosition(pak->handle, pakFile->pos);
-                                        if ( zfi != pak->handle ) {
-						// copy the file info into the unzip structure
-						Com_Memcpy( zfi, pak->handle, sizeof(unz_s) );
-                                        }
-					// we copy this back into the structure
-					zfi->file = temp;
+					unzSetOffset(fsh[*file].handleFiles.file.z, pakFile->pos);
 					// open the file in the zip
 					unzOpenCurrentFile( fsh[*file].handleFiles.file.z );
 					fsh[*file].zipFilePos = pakFile->pos;
@@ -1146,7 +1137,7 @@ int FS_FOpenFileRead( const char *filename, fileHandle_t *file, qboolean uniqueF
 						Com_Printf( "FS_FOpenFileRead: %s (found in '%s')\n", 
 							filename, pak->pakFilename );
 					}
-					return zfi->cur_file_info.uncompressed_size;
+					return pakFile->len;
 				}
 				pakFile = pakFile->next;
 			} while(pakFile != NULL);
@@ -1373,7 +1364,7 @@ int FS_Seek( fileHandle_t f, long offset, int origin ) {
 
 		switch( origin ) {
 			case FS_SEEK_SET:
-				unzSetCurrentFileInfoPosition(fsh[f].handleFiles.file.z, fsh[f].zipFilePos);
+				unzSetOffset(fsh[f].handleFiles.file.z, fsh[f].zipFilePos);
 				unzOpenCurrentFile(fsh[f].handleFiles.file.z);
 				//fallthrough
 
@@ -1753,8 +1744,8 @@ static pack_t *FS_LoadZipFile( char *zipfile, const char *basename )
 		strcpy( buildBuffer[i].name, filename_inzip );
 		namePtr += strlen(filename_inzip) + 1;
 		// store the file position in the zip
-		unzGetCurrentFileInfoPosition(uf, &buildBuffer[i].pos);
-		//
+		buildBuffer[i].pos = unzGetOffset(uf);
+		buildBuffer[i].len = file_info.uncompressed_size;
 		buildBuffer[i].next = pack->hashTable[hash];
 		pack->hashTable[hash] = &buildBuffer[i];
 		unzGoToNextFile(uf);
diff --git a/code/qcommon/ioapi.c b/code/qcommon/ioapi.c
new file mode 100644
index 0000000..aab3c00
--- /dev/null
+++ b/code/qcommon/ioapi.c
@@ -0,0 +1,182 @@
+/* ioapi.c -- IO base function header for compress/uncompress .zip
+   files using zlib + zip or unzip API
+
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef USE_LOCAL_HEADERS
+#include "../zlib/zlib.h"
+#else
+#include <zlib.h>
+#endif
+
+#include "ioapi.h"
+
+
+
+/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
+
+#ifndef SEEK_CUR
+#define SEEK_CUR    1
+#endif
+
+#ifndef SEEK_END
+#define SEEK_END    2
+#endif
+
+#ifndef SEEK_SET
+#define SEEK_SET    0
+#endif
+
+voidpf ZCALLBACK fopen_file_func OF((
+   voidpf opaque,
+   const char* filename,
+   int mode));
+
+uLong ZCALLBACK fread_file_func OF((
+   voidpf opaque,
+   voidpf stream,
+   void* buf,
+   uLong size));
+
+uLong ZCALLBACK fwrite_file_func OF((
+   voidpf opaque,
+   voidpf stream,
+   const void* buf,
+   uLong size));
+
+long ZCALLBACK ftell_file_func OF((
+   voidpf opaque,
+   voidpf stream));
+
+long ZCALLBACK fseek_file_func OF((
+   voidpf opaque,
+   voidpf stream,
+   uLong offset,
+   int origin));
+
+int ZCALLBACK fclose_file_func OF((
+   voidpf opaque,
+   voidpf stream));
+
+int ZCALLBACK ferror_file_func OF((
+   voidpf opaque,
+   voidpf stream));
+
+
+voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
+   voidpf opaque;
+   const char* filename;
+   int mode;
+{
+    FILE* file = NULL;
+    const char* mode_fopen = NULL;
+    if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
+        mode_fopen = "rb";
+    else
+    if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
+        mode_fopen = "r+b";
+    else
+    if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+        mode_fopen = "wb";
+
+    if ((filename!=NULL) && (mode_fopen != NULL))
+        file = fopen(filename, mode_fopen);
+    return file;
+}
+
+
+uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
+   voidpf opaque;
+   voidpf stream;
+   void* buf;
+   uLong size;
+{
+    uLong ret;
+    ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
+    return ret;
+}
+
+
+uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
+   voidpf opaque;
+   voidpf stream;
+   const void* buf;
+   uLong size;
+{
+    uLong ret;
+    ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
+    return ret;
+}
+
+long ZCALLBACK ftell_file_func (opaque, stream)
+   voidpf opaque;
+   voidpf stream;
+{
+    long ret;
+    ret = ftell((FILE *)stream);
+    return ret;
+}
+
+long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
+   voidpf opaque;
+   voidpf stream;
+   uLong offset;
+   int origin;
+{
+    int fseek_origin=0;
+    long ret;
+    switch (origin)
+    {
+    case ZLIB_FILEFUNC_SEEK_CUR :
+        fseek_origin = SEEK_CUR;
+        break;
+    case ZLIB_FILEFUNC_SEEK_END :
+        fseek_origin = SEEK_END;
+        break;
+    case ZLIB_FILEFUNC_SEEK_SET :
+        fseek_origin = SEEK_SET;
+        break;
+    default: return -1;
+    }
+    ret = 0;
+    fseek((FILE *)stream, offset, fseek_origin);
+    return ret;
+}
+
+int ZCALLBACK fclose_file_func (opaque, stream)
+   voidpf opaque;
+   voidpf stream;
+{
+    int ret;
+    ret = fclose((FILE *)stream);
+    return ret;
+}
+
+int ZCALLBACK ferror_file_func (opaque, stream)
+   voidpf opaque;
+   voidpf stream;
+{
+    int ret;
+    ret = ferror((FILE *)stream);
+    return ret;
+}
+
+void fill_fopen_filefunc (pzlib_filefunc_def)
+  zlib_filefunc_def* pzlib_filefunc_def;
+{
+    pzlib_filefunc_def->zopen_file = fopen_file_func;
+    pzlib_filefunc_def->zread_file = fread_file_func;
+    pzlib_filefunc_def->zwrite_file = fwrite_file_func;
+    pzlib_filefunc_def->ztell_file = ftell_file_func;
+    pzlib_filefunc_def->zseek_file = fseek_file_func;
+    pzlib_filefunc_def->zclose_file = fclose_file_func;
+    pzlib_filefunc_def->zerror_file = ferror_file_func;
+    pzlib_filefunc_def->opaque = NULL;
+}
diff --git a/code/qcommon/ioapi.h b/code/qcommon/ioapi.h
new file mode 100644
index 0000000..7d457ba
--- /dev/null
+++ b/code/qcommon/ioapi.h
@@ -0,0 +1,75 @@
+/* ioapi.h -- IO base function header for compress/uncompress .zip
+   files using zlib + zip or unzip API
+
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+*/
+
+#ifndef _ZLIBIOAPI_H
+#define _ZLIBIOAPI_H
+
+
+#define ZLIB_FILEFUNC_SEEK_CUR (1)
+#define ZLIB_FILEFUNC_SEEK_END (2)
+#define ZLIB_FILEFUNC_SEEK_SET (0)
+
+#define ZLIB_FILEFUNC_MODE_READ      (1)
+#define ZLIB_FILEFUNC_MODE_WRITE     (2)
+#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
+
+#define ZLIB_FILEFUNC_MODE_EXISTING (4)
+#define ZLIB_FILEFUNC_MODE_CREATE   (8)
+
+
+#ifndef ZCALLBACK
+
+#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
+#define ZCALLBACK CALLBACK
+#else
+#define ZCALLBACK
+#endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
+typedef uLong  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
+typedef uLong  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
+typedef long   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
+typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
+typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
+typedef int    (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
+
+typedef struct zlib_filefunc_def_s
+{
+    open_file_func      zopen_file;
+    read_file_func      zread_file;
+    write_file_func     zwrite_file;
+    tell_file_func      ztell_file;
+    seek_file_func      zseek_file;
+    close_file_func     zclose_file;
+    testerror_file_func zerror_file;
+    voidpf              opaque;
+} zlib_filefunc_def;
+
+
+
+void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
+
+#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
+#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
+#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
+#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
+#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
+#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/code/qcommon/unzip.c b/code/qcommon/unzip.c
index 7669aa9..1d67fda 100644
--- a/code/qcommon/unzip.c
+++ b/code/qcommon/unzip.c
@@ -1,1063 +1,73 @@
-/*****************************************************************************
- * name:		unzip.c
- *
- * desc:		IO on .zip files using portions of zlib 
- *
- * $Archive: /MissionPack/code/qcommon/unzip.c $
- *
- *****************************************************************************/
-
-#include "../qcommon/q_shared.h"
-#include "../qcommon/qcommon.h"
-#include "unzip.h"
-
-/* unzip.h -- IO for uncompress .zip files using zlib 
-   Version 0.15 beta, Mar 19th, 1998,
-
-   Copyright (C) 1998 Gilles Vollant
-
-   This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
-     WinZip, InfoZip tools and compatible.
-   Encryption and multi volume ZipFile (span) are not supported.
-   Old compressions used by old PKZip 1.x are not supported
-
-   THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
-   CAN CHANGE IN FUTURE VERSION !!
-   I WAIT FEEDBACK at mail info@winimage.com
-   Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
-
-   Condition of use and distribution are the same than zlib :
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-
-
-*/
-/* for more info about .ZIP format, see 
-      ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
-   PkWare has also a specification at :
-      ftp://ftp.pkware.com/probdesc.zip */
-
-/* zlib.h -- interface of the 'zlib' general purpose compression library
-  version 1.1.3, July 9th, 1998
-
-  Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-
-  Jean-loup Gailly        Mark Adler
-  jloup@gzip.org          madler@alumni.caltech.edu
-
-
-  The data format used by the zlib library is described by RFCs (Request for
-  Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
-  (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
-*/
-
-/* zconf.h -- configuration of the zlib compression library
- * Copyright (C) 1995-1998 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
-
-
-#ifndef _ZCONF_H
-#define _ZCONF_H
-
-/* Maximum value for memLevel in deflateInit2 */
-#ifndef MAX_MEM_LEVEL
-#  ifdef MAXSEG_64K
-#    define MAX_MEM_LEVEL 8
-#  else
-#    define MAX_MEM_LEVEL 9
-#  endif
-#endif
-
-/* Maximum value for windowBits in deflateInit2 and inflateInit2.
- * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
- * created by gzip. (Files created by minigzip can still be extracted by
- * gzip.)
- */
-#ifndef MAX_WBITS
-#  define MAX_WBITS   15 /* 32K LZ77 window */
-#endif
-
-/* The memory requirements for deflate are (in bytes):
-            (1 << (windowBits+2)) +  (1 << (memLevel+9))
- that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
- plus a few kilobytes for small objects. For example, if you want to reduce
- the default memory requirements from 256K to 128K, compile with
-     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
- Of course this will generally degrade compression (there's no free lunch).
-
-   The memory requirements for inflate are (in bytes) 1 << windowBits
- that is, 32K for windowBits=15 (default value) plus a few kilobytes
- for small objects.
-*/
-
-                        /* Type declarations */
-
-#ifndef OF /* function prototypes */
-#define OF(args)  args
-#endif
-
-typedef unsigned char  Byte;  /* 8 bits */
-typedef unsigned int   uInt;  /* 16 bits or more */
-typedef unsigned long  uLong; /* 32 bits or more */
-typedef Byte    *voidp;
-
-#ifndef SEEK_SET
-#  define SEEK_SET        0       /* Seek from beginning of file.  */
-#  define SEEK_CUR        1       /* Seek from current position.  */
-#  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
-#endif
-
-#endif /* _ZCONF_H */
-
-#define ZLIB_VERSION "1.1.3"
-
-/* 
-     The 'zlib' compression library provides in-memory compression and
-  decompression functions, including integrity checks of the uncompressed
-  data.  This version of the library supports only one compression method
-  (deflation) but other algorithms will be added later and will have the same
-  stream interface.
-
-     Compression can be done in a single step if the buffers are large
-  enough (for example if an input file is mmap'ed), or can be done by
-  repeated calls of the compression function.  In the latter case, the
-  application must provide more input and/or consume the output
-  (providing more output space) before each call.
-
-     The library also supports reading and writing files in gzip (.gz) format
-  with an interface similar to that of stdio.
-
-     The library does not install any signal handler. The decoder checks
-  the consistency of the compressed data, so the library should never
-  crash even in case of corrupted input.
-*/
-
-/*
-   The application must update next_in and avail_in when avail_in has
-   dropped to zero. It must update next_out and avail_out when avail_out
-   has dropped to zero. The application must initialize zalloc, zfree and
-   opaque before calling the init function. All other fields are set by the
-   compression library and must not be updated by the application.
-
-   The opaque value provided by the application will be passed as the first
-   parameter for calls of zalloc and zfree. This can be useful for custom
-   memory management. The compression library attaches no meaning to the
-   opaque value.
-
-   zalloc must return Z_NULL if there is not enough memory for the object.
-   If zlib is used in a multi-threaded application, zalloc and zfree must be
-   thread safe.
-
-   On 16-bit systems, the functions zalloc and zfree must be able to allocate
-   exactly 65536 bytes, but will not be required to allocate more than this
-   if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
-   pointers returned by zalloc for objects of exactly 65536 bytes *must*
-   have their offset normalized to zero. The default allocation function
-   provided by this library ensures this (see zutil.c). To reduce memory
-   requirements and avoid any allocation of 64K objects, at the expense of
-   compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
-
-   The fields total_in and total_out can be used for statistics or
-   progress reports. After compression, total_in holds the total size of
-   the uncompressed data and may be saved for use in the decompressor
-   (particularly if the decompressor wants to decompress everything in
-   a single step).
-*/
-
-                        /* constants */
-
-#define Z_NO_FLUSH      0
-#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
-#define Z_SYNC_FLUSH    2
-#define Z_FULL_FLUSH    3
-#define Z_FINISH        4
-/* Allowed flush values; see deflate() below for details */
-
-#define Z_OK            0
-#define Z_STREAM_END    1
-#define Z_NEED_DICT     2
-#define Z_ERRNO        (-1)
-#define Z_STREAM_ERROR (-2)
-#define Z_DATA_ERROR   (-3)
-#define Z_MEM_ERROR    (-4)
-#define Z_BUF_ERROR    (-5)
-#define Z_VERSION_ERROR (-6)
-/* Return codes for the compression/decompression functions. Negative
- * values are errors, positive values are used for special but normal events.
- */
-
-#define Z_NO_COMPRESSION         0
-#define Z_BEST_SPEED             1
-#define Z_BEST_COMPRESSION       9
-#define Z_DEFAULT_COMPRESSION  (-1)
-/* compression levels */
-
-#define Z_FILTERED            1
-#define Z_HUFFMAN_ONLY        2
-#define Z_DEFAULT_STRATEGY    0
-/* compression strategy; see deflateInit2() below for details */
-
-#define Z_BINARY   0
-#define Z_ASCII    1
-#define Z_UNKNOWN  2
-/* Possible values of the data_type field */
-
-#define Z_DEFLATED   8
-/* The deflate compression method (the only one supported in this version) */
-
-#define Z_NULL  (void *)0  /* for initializing zalloc, zfree, opaque */
-
-#define zlib_version zlibVersion()
-/* for compatibility with versions < 1.0.2 */
-
-                        /* basic functions */
-
-// static const char * zlibVersion OF((void));
-/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
-   If the first character differs, the library code actually used is
-   not compatible with the zlib.h header file used by the application.
-   This check is automatically made by deflateInit and inflateInit.
- */
-
-/* 
-int deflateInit OF((z_streamp strm, int level));
-
-     Initializes the internal stream state for compression. The fields
-   zalloc, zfree and opaque must be initialized before by the caller.
-   If zalloc and zfree are set to Z_NULL, deflateInit updates them to
-   use default allocation functions.
-
-     The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9:
-   1 gives best speed, 9 gives best compression, 0 gives no compression at
-   all (the input data is simply copied a block at a time).
-   Z_DEFAULT_COMPRESSION requests a default compromise between speed and
-   compression (currently equivalent to level 6).
-
-     deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
-   enough memory, Z_STREAM_ERROR if level is not a valid compression level,
-   Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible
-   with the version assumed by the caller (ZLIB_VERSION).
-   msg is set to null if there is no error message.  deflateInit does not
-   perform any compression: this will be done by deflate().
-*/
-
-
-// static int deflate OF((z_streamp strm, int flush));
-/*
-    deflate compresses as much data as possible, and stops when the input
-  buffer becomes empty or the output buffer becomes full. It may introduce some
-  output latency (reading input without producing any output) except when
-  forced to flush.
-
-    The detailed semantics are as follows. deflate performs one or both of the
-  following actions:
-
-  - Compress more input starting at next_in and update next_in and avail_in
-    accordingly. If not all input can be processed (because there is not
-    enough room in the output buffer), next_in and avail_in are updated and
-    processing will resume at this point for the next call of deflate().
-
-  - Provide more output starting at next_out and update next_out and avail_out
-    accordingly. This action is forced if the parameter flush is non zero.
-    Forcing flush frequently degrades the compression ratio, so this parameter
-    should be set only when necessary (in interactive applications).
-    Some output may be provided even if flush is not set.
-
-  Before the call of deflate(), the application should ensure that at least
-  one of the actions is possible, by providing more input and/or consuming
-  more output, and updating avail_in or avail_out accordingly; avail_out
-  should never be zero before the call. The application can consume the
-  compressed output when it wants, for example when the output buffer is full
-  (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK
-  and with zero avail_out, it must be called again after making room in the
-  output buffer because there might be more output pending.
-
-    If the parameter flush is set to Z_SYNC_FLUSH, all pending output is
-  flushed to the output buffer and the output is aligned on a byte boundary, so
-  that the decompressor can get all input data available so far. (In particular
-  avail_in is zero after the call if enough output space has been provided
-  before the call.)  Flushing may degrade compression for some compression
-  algorithms and so it should be used only when necessary.
-
-    If flush is set to Z_FULL_FLUSH, all output is flushed as with
-  Z_SYNC_FLUSH, and the compression state is reset so that decompression can
-  restart from this point if previous compressed data has been damaged or if
-  random access is desired. Using Z_FULL_FLUSH too often can seriously degrade
-  the compression.
-
-    If deflate returns with avail_out == 0, this function must be called again
-  with the same value of the flush parameter and more output space (updated
-  avail_out), until the flush is complete (deflate returns with non-zero
-  avail_out).
-
-    If the parameter flush is set to Z_FINISH, pending input is processed,
-  pending output is flushed and deflate returns with Z_STREAM_END if there
-  was enough output space; if deflate returns with Z_OK, this function must be
-  called again with Z_FINISH and more output space (updated avail_out) but no
-  more input data, until it returns with Z_STREAM_END or an error. After
-  deflate has returned Z_STREAM_END, the only possible operations on the
-  stream are deflateReset or deflateEnd.
-  
-    Z_FINISH can be used immediately after deflateInit if all the compression
-  is to be done in a single step. In this case, avail_out must be at least
-  0.1% larger than avail_in plus 12 bytes.  If deflate does not return
-  Z_STREAM_END, then it must be called again as described above.
-
-    deflate() sets strm->adler to the adler32 checksum of all input read
-  so (that is, total_in bytes).
-
-    deflate() may update data_type if it can make a good guess about
-  the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered
-  binary. This field is only for information purposes and does not affect
-  the compression algorithm in any manner.
-
-    deflate() returns Z_OK if some progress has been made (more input
-  processed or more output produced), Z_STREAM_END if all input has been
-  consumed and all output has been produced (only when flush is set to
-  Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
-  if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible
-  (for example avail_in or avail_out was zero).
-*/
-
-
-// static int deflateEnd OF((z_streamp strm));
-/*
-     All dynamically allocated data structures for this stream are freed.
-   This function discards any unprocessed input and does not flush any
-   pending output.
-
-     deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the
-   stream state was inconsistent, Z_DATA_ERROR if the stream was freed
-   prematurely (some input or output was discarded). In the error case,
-   msg may be set but then points to a static string (which must not be
-   deallocated).
-*/
-
-
-/* 
-int inflateInit OF((z_streamp strm));
-
-     Initializes the internal stream state for decompression. The fields
-   next_in, avail_in, zalloc, zfree and opaque must be initialized before by
-   the caller. If next_in is not Z_NULL and avail_in is large enough (the exact
-   value depends on the compression method), inflateInit determines the
-   compression method from the zlib header and allocates all data structures
-   accordingly; otherwise the allocation will be deferred to the first call of
-   inflate.  If zalloc and zfree are set to Z_NULL, inflateInit updates them to
-   use default allocation functions.
-
-     inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
-   memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
-   version assumed by the caller.  msg is set to null if there is no error
-   message. inflateInit does not perform any decompression apart from reading
-   the zlib header if present: this will be done by inflate().  (So next_in and
-   avail_in may be modified, but next_out and avail_out are unchanged.)
-*/
-
-
-static int inflate OF((z_streamp strm, int flush));
-/*
-    inflate decompresses as much data as possible, and stops when the input
-  buffer becomes empty or the output buffer becomes full. It may some
-  introduce some output latency (reading input without producing any output)
-  except when forced to flush.
-
-  The detailed semantics are as follows. inflate performs one or both of the
-  following actions:
-
-  - Decompress more input starting at next_in and update next_in and avail_in
-    accordingly. If not all input can be processed (because there is not
-    enough room in the output buffer), next_in is updated and processing
-    will resume at this point for the next call of inflate().
-
-  - Provide more output starting at next_out and update next_out and avail_out
-    accordingly.  inflate() provides as much output as possible, until there
-    is no more input data or no more space in the output buffer (see below
-    about the flush parameter).
-
-  Before the call of inflate(), the application should ensure that at least
-  one of the actions is possible, by providing more input and/or consuming
-  more output, and updating the next_* and avail_* values accordingly.
-  The application can consume the uncompressed output when it wants, for
-  example when the output buffer is full (avail_out == 0), or after each
-  call of inflate(). If inflate returns Z_OK and with zero avail_out, it
-  must be called again after making room in the output buffer because there
-  might be more output pending.
-
-    If the parameter flush is set to Z_SYNC_FLUSH, inflate flushes as much
-  output as possible to the output buffer. The flushing behavior of inflate is
-  not specified for values of the flush parameter other than Z_SYNC_FLUSH
-  and Z_FINISH, but the current implementation actually flushes as much output
-  as possible anyway.
-
-    inflate() should normally be called until it returns Z_STREAM_END or an
-  error. However if all decompression is to be performed in a single step
-  (a single call of inflate), the parameter flush should be set to
-  Z_FINISH. In this case all pending input is processed and all pending
-  output is flushed; avail_out must be large enough to hold all the
-  uncompressed data. (The size of the uncompressed data may have been saved
-  by the compressor for this purpose.) The next operation on this stream must
-  be inflateEnd to deallocate the decompression state. The use of Z_FINISH
-  is never required, but can be used to inform inflate that a faster routine
-  may be used for the single inflate() call.
-
-     If a preset dictionary is needed at this point (see inflateSetDictionary
-  below), inflate sets strm-adler to the adler32 checksum of the
-  dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise 
-  it sets strm->adler to the adler32 checksum of all output produced
-  so (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or
-  an error code as described below. At the end of the stream, inflate()
-  checks that its computed adler32 checksum is equal to that saved by the
-  compressor and returns Z_STREAM_END only if the checksum is correct.
-
-    inflate() returns Z_OK if some progress has been made (more input processed
-  or more output produced), Z_STREAM_END if the end of the compressed data has
-  been reached and all uncompressed output has been produced, Z_NEED_DICT if a
-  preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
-  corrupted (input stream not conforming to the zlib format or incorrect
-  adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent
-  (for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not
-  enough memory, Z_BUF_ERROR if no progress is possible or if there was not
-  enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR
-  case, the application may then call inflateSync to look for a good
-  compression block.
-*/
+/* unzip.c -- IO for uncompress .zip files using zlib
+   Version 1.01e, February 12th, 2005
 
+   Copyright (C) 1998-2005 Gilles Vollant
 
-static int inflateEnd OF((z_streamp strm));
-/*
-     All dynamically allocated data structures for this stream are freed.
-   This function discards any unprocessed input and does not flush any
-   pending output.
-
-     inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
-   was inconsistent. In the error case, msg may be set but then points to a
-   static string (which must not be deallocated).
+   Read unzip.h for more info
 */
 
-                        /* Advanced functions */
-
-/*
-    The following functions are needed only in some special applications.
-*/
-
-/*   
-int deflateInit2 OF((z_streamp strm,
-                                     int  level,
-                                     int  method,
-                                     int  windowBits,
-                                     int  memLevel,
-                                     int  strategy));
-
-     This is another version of deflateInit with more compression options. The
-   fields next_in, zalloc, zfree and opaque must be initialized before by
-   the caller.
-
-     The method parameter is the compression method. It must be Z_DEFLATED in
-   this version of the library.
-
-     The windowBits parameter is the base two logarithm of the window size
-   (the size of the history buffer).  It should be in the range 8..15 for this
-   version of the library. Larger values of this parameter result in better
-   compression at the expense of memory usage. The default value is 15 if
-   deflateInit is used instead.
-
-     The memLevel parameter specifies how much memory should be allocated
-   for the internal compression state. memLevel=1 uses minimum memory but
-   is slow and reduces compression ratio; memLevel=9 uses maximum memory
-   for optimal speed. The default value is 8. See zconf.h for total memory
-   usage as a function of windowBits and memLevel.
-
-     The strategy parameter is used to tune the compression algorithm. Use the
-   value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a
-   filter (or predictor), or Z_HUFFMAN_ONLY to force Huffman encoding only (no
-   string match).  Filtered data consists mostly of small values with a
-   somewhat random distribution. In this case, the compression algorithm is
-   tuned to compress them better. The effect of Z_FILTERED is to force more
-   Huffman coding and less string matching; it is somewhat intermediate
-   between Z_DEFAULT and Z_HUFFMAN_ONLY. The strategy parameter only affects
-   the compression ratio but not the correctness of the compressed output even
-   if it is not set appropriately.
-
-      deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
-   memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid
-   method). msg is set to null if there is no error message.  deflateInit2 does
-   not perform any compression: this will be done by deflate().
-*/
-                            
-/*
-static int deflateSetDictionary OF((z_streamp strm,
-                                             const Byte *dictionary,
-                                             uInt  dictLength));
+/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of
+compatibility with older software. The following is from the original crypt.c. Code
+woven in by Terry Thorsen 1/2003.
 */
 /*
-     Initializes the compression dictionary from the given byte sequence
-   without producing any compressed output. This function must be called
-   immediately after deflateInit, deflateInit2 or deflateReset, before any
-   call of deflate. The compressor and decompressor must use exactly the same
-   dictionary (see inflateSetDictionary).
-
-     The dictionary should consist of strings (byte sequences) that are likely
-   to be encountered later in the data to be compressed, with the most commonly
-   used strings preferably put towards the end of the dictionary. Using a
-   dictionary is most useful when the data to be compressed is short and can be
-   predicted with good accuracy; the data can then be compressed better than
-   with the default empty dictionary.
-
-     Depending on the size of the compression data structures selected by
-   deflateInit or deflateInit2, a part of the dictionary may in effect be
-   discarded, for example if the dictionary is larger than the window size in
-   deflate or deflate2. Thus the strings most likely to be useful should be
-   put at the end of the dictionary, not at the front.
-
-     Upon return of this function, strm->adler is set to the Adler32 value
-   of the dictionary; the decompressor may later use this value to determine
-   which dictionary has been used by the compressor. (The Adler32 value
-   applies to the whole dictionary even if only a subset of the dictionary is
-   actually used by the compressor.)
-
-     deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a
-   parameter is invalid (such as NULL dictionary) or the stream state is
-   inconsistent (for example if deflate has already been called for this stream
-   or if the compression method is bsort). deflateSetDictionary does not
-   perform any compression: this will be done by deflate().
-*/
+  Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
-/*
-static int deflateCopy OF((z_streamp dest,
-                                    z_streamp source));
+  See the accompanying file LICENSE, version 2000-Apr-09 or later
+  (the contents of which are also included in zip.h) for terms of use.
+  If, for some reason, all these files are missing, the Info-ZIP license
+  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
 */
 /*
-     Sets the destination stream as a complete copy of the source stream.
-
-     This function can be useful when several compression strategies will be
-   tried, for example when there are several ways of pre-processing the input
-   data with a filter. The streams that will be discarded should then be freed
-   by calling deflateEnd.  Note that deflateCopy duplicates the internal
-   compression state which can be quite large, so this strategy is slow and
-   can consume lots of memory.
-
-     deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not
-   enough memory, Z_STREAM_ERROR if the source stream state was inconsistent
-   (such as zalloc being NULL). msg is left unchanged in both source and
-   destination.
-*/
+  crypt.c (full version) by Info-ZIP.      Last revised:  [see crypt.h]
 
-// static int deflateReset OF((z_streamp strm));
-/*
-     This function is equivalent to deflateEnd followed by deflateInit,
-   but does not free and reallocate all the internal compression state.
-   The stream will keep the same compression level and any other attributes
-   that may have been set by deflateInit2.
-
-      deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
-   stream state was inconsistent (such as zalloc or state being NULL).
-*/
-
-/*
-static int deflateParams OF((z_streamp strm,
-				      int level,
-				      int strategy));
-*/
-/*
-     Dynamically update the compression level and compression strategy.  The
-   interpretation of level and strategy is as in deflateInit2.  This can be
-   used to switch between compression and straight copy of the input data, or
-   to switch to a different kind of input data requiring a different
-   strategy. If the compression level is changed, the input available so far
-   is compressed with the old level (and may be flushed); the new level will
-   take effect only at the next call of deflate().
-
-     Before the call of deflateParams, the stream state must be set as for
-   a call of deflate(), since the currently available input may have to
-   be compressed and flushed. In particular, strm->avail_out must be non-zero.
-
-     deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source
-   stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR
-   if strm->avail_out was zero.
-*/
-
-/*   
-int inflateInit2 OF((z_streamp strm,
-                                     int  windowBits));
-
-     This is another version of inflateInit with an extra parameter. The
-   fields next_in, avail_in, zalloc, zfree and opaque must be initialized
-   before by the caller.
-
-     The windowBits parameter is the base two logarithm of the maximum window
-   size (the size of the history buffer).  It should be in the range 8..15 for
-   this version of the library. The default value is 15 if inflateInit is used
-   instead. If a compressed stream with a larger window size is given as
-   input, inflate() will return with the error code Z_DATA_ERROR instead of
-   trying to allocate a larger window.
-
-      inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
-   memory, Z_STREAM_ERROR if a parameter is invalid (such as a negative
-   memLevel). msg is set to null if there is no error message.  inflateInit2
-   does not perform any decompression apart from reading the zlib header if
-   present: this will be done by inflate(). (So next_in and avail_in may be
-   modified, but next_out and avail_out are unchanged.)
-*/
-
-/*
-static int inflateSetDictionary OF((z_streamp strm,
-                                             const Byte *dictionary,
-                                             uInt  dictLength));
-*/
-/*
-     Initializes the decompression dictionary from the given uncompressed byte
-   sequence. This function must be called immediately after a call of inflate
-   if this call returned Z_NEED_DICT. The dictionary chosen by the compressor
-   can be determined from the Adler32 value returned by this call of
-   inflate. The compressor and decompressor must use exactly the same
-   dictionary (see deflateSetDictionary).
-
-     inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a
-   parameter is invalid (such as NULL dictionary) or the stream state is
-   inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the
-   expected one (incorrect Adler32 value). inflateSetDictionary does not
-   perform any decompression: this will be done by subsequent calls of
-   inflate().
-*/
-
-// static int inflateSync OF((z_streamp strm));
-/* 
-    Skips invalid compressed data until a full flush point (see above the
-  description of deflate with Z_FULL_FLUSH) can be found, or until all
-  available input is skipped. No output is provided.
-
-    inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR
-  if no more input was provided, Z_DATA_ERROR if no flush point has been found,
-  or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
-  case, the application may save the current current value of total_in which
-  indicates where valid compressed data was found. In the error case, the
-  application may repeatedly call inflateSync, providing more input each time,
-  until success or end of the input data.
-*/
-
-static int inflateReset OF((z_streamp strm));
-/*
-     This function is equivalent to inflateEnd followed by inflateInit,
-   but does not free and reallocate all the internal decompression state.
-   The stream will keep attributes that may have been set by inflateInit2.
-
-      inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
-   stream state was inconsistent (such as zalloc or state being NULL).
-*/
-
-
-                        /* utility functions */
-
-/*
-     The following utility functions are implemented on top of the
-   basic stream-oriented functions. To simplify the interface, some
-   default options are assumed (compression level and memory usage,
-   standard memory allocation functions). The source code of these
-   utility functions can easily be modified if you need special options.
-*/
-
-/*
-static int compress OF((Byte *dest,   uLong *destLen,
-                                 const Byte *source, uLong sourceLen));
-*/
-/*
-     Compresses the source buffer into the destination buffer.  sourceLen is
-   the byte length of the source buffer. Upon entry, destLen is the total
-   size of the destination buffer, which must be at least 0.1% larger than
-   sourceLen plus 12 bytes. Upon exit, destLen is the actual size of the
-   compressed buffer.
-     This function can be used to compress a whole file at once if the
-   input file is mmap'ed.
-     compress returns Z_OK if success, Z_MEM_ERROR if there was not
-   enough memory, Z_BUF_ERROR if there was not enough room in the output
-   buffer.
-*/
-
-/*
-static int compress2 OF((Byte *dest,   uLong *destLen,
-                                  const Byte *source, uLong sourceLen,
-                                  int level));
-*/
-/*
-     Compresses the source buffer into the destination buffer. The level
-   parameter has the same meaning as in deflateInit.  sourceLen is the byte
-   length of the source buffer. Upon entry, destLen is the total size of the
-   destination buffer, which must be at least 0.1% larger than sourceLen plus
-   12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
-
-     compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
-   memory, Z_BUF_ERROR if there was not enough room in the output buffer,
-   Z_STREAM_ERROR if the level parameter is invalid.
-*/
-
-/*
-static int uncompress OF((Byte *dest,   uLong *destLen,
-                                   const Byte *source, uLong sourceLen));
-*/                                   
-/*
-     Decompresses the source buffer into the destination buffer.  sourceLen is
-   the byte length of the source buffer. Upon entry, destLen is the total
-   size of the destination buffer, which must be large enough to hold the
-   entire uncompressed data. (The size of the uncompressed data must have
-   been saved previously by the compressor and transmitted to the decompressor
-   by some mechanism outside the scope of this compression library.)
-   Upon exit, destLen is the actual size of the compressed buffer.
-     This function can be used to decompress a whole file at once if the
-   input file is mmap'ed.
-
-     uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
-   enough memory, Z_BUF_ERROR if there was not enough room in the output
-   buffer, or Z_DATA_ERROR if the input data was corrupted.
-*/
-
-
-typedef voidp gzFile;
-
-gzFile gzopen  OF((const char *path, const char *mode));
-/*
-     Opens a gzip (.gz) file for reading or writing. The mode parameter
-   is as in fopen ("rb" or "wb") but can also include a compression level
-   ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for
-   Huffman only compression as in "wb1h". (See the description
-   of deflateInit2 for more information about the strategy parameter.)
-
-     gzopen can be used to read a file which is not in gzip format; in this
-   case gzread will directly read from the file without decompression.
-
-     gzopen returns NULL if the file could not be opened or if there was
-   insufficient memory to allocate the (de)compression state; errno
-   can be checked to distinguish the two cases (if errno is zero, the
-   zlib error is Z_MEM_ERROR).  */
-
-gzFile gzdopen  OF((int fd, const char *mode));
-/*
-     gzdopen() associates a gzFile with the file descriptor fd.  File
-   descriptors are obtained from calls like open, dup, creat, pipe or
-   fileno (in the file has been previously opened with fopen).
-   The mode parameter is as in gzopen.
-     The next call of gzclose on the returned gzFile will also close the
-   file descriptor fd, just like fclose(fdopen(fd), mode) closes the file
-   descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode).
-     gzdopen returns NULL if there was insufficient memory to allocate
-   the (de)compression state.
-*/
-
-int gzsetparams OF((gzFile file, int level, int strategy));
-/*
-     Dynamically update the compression level or strategy. See the description
-   of deflateInit2 for the meaning of these parameters.
-     gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not
-   opened for writing.
-*/
-
-int    gzread  OF((gzFile file, voidp buf, unsigned len));
-/*
-     Reads the given number of uncompressed bytes from the compressed file.
-   If the input file was not in gzip format, gzread copies the given number
-   of bytes into the buffer.
-     gzread returns the number of uncompressed bytes actually read (0 for
-   end of file, -1 for error). */
-
-int    gzwrite OF((gzFile file, 
-				   const voidp buf, unsigned len));
-/*
-     Writes the given number of uncompressed bytes into the compressed file.
-   gzwrite returns the number of uncompressed bytes actually written
-   (0 in case of error).
-*/
-
-int    QDECL gzprintf OF((gzFile file, const char *format, ...));
-/*
-     Converts, formats, and writes the args to the compressed file under
-   control of the format string, as in fprintf. gzprintf returns the number of
-   uncompressed bytes actually written (0 in case of error).
-*/
-
-int gzputs OF((gzFile file, const char *s));
-/*
-      Writes the given null-terminated string to the compressed file, excluding
-   the terminating null character.
-      gzputs returns the number of characters written, or -1 in case of error.
-*/
-
-char * gzgets OF((gzFile file, char *buf, int len));
-/*
-      Reads bytes from the compressed file until len-1 characters are read, or
-   a newline character is read and transferred to buf, or an end-of-file
-   condition is encountered.  The string is then terminated with a null
-   character.
-      gzgets returns buf, or Z_NULL in case of error.
-*/
-
-int    gzputc OF((gzFile file, int c));
-/*
-      Writes c, converted to an unsigned char, into the compressed file.
-   gzputc returns the value that was written, or -1 in case of error.
-*/
-
-int    gzgetc OF((gzFile file));
-/*
-      Reads one byte from the compressed file. gzgetc returns this byte
-   or -1 in case of end of file or error.
-*/
-
-int    gzflush OF((gzFile file, int flush));
-/*
-     Flushes all pending output into the compressed file. The parameter
-   flush is as in the deflate() function. The return value is the zlib
-   error number (see function gzerror below). gzflush returns Z_OK if
-   the flush parameter is Z_FINISH and all output could be flushed.
-     gzflush should be called only when strictly necessary because it can
-   degrade compression.
-*/
-
-long gzseek OF((gzFile file,
-				      long offset, int whence));
-/* 
-      Sets the starting position for the next gzread or gzwrite on the
-   given compressed file. The offset represents a number of bytes in the
-   uncompressed data stream. The whence parameter is defined as in lseek(2);
-   the value SEEK_END is not supported.
-     If the file is opened for reading, this function is emulated but can be
-   extremely slow. If the file is opened for writing, only forward seeks are
-   supported; gzseek then compresses a sequence of zeroes up to the new
-   starting position.
-
-      gzseek returns the resulting offset location as measured in bytes from
-   the beginning of the uncompressed stream, or -1 in case of error, in
-   particular if the file is opened for writing and the new starting position
-   would be before the current position.
-*/
-
-int    gzrewind OF((gzFile file));
-/*
-     Rewinds the given file. This function is supported only for reading.
-
-   gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
-*/
-
-long    gztell OF((gzFile file));
-/*
-     Returns the starting position for the next gzread or gzwrite on the
-   given compressed file. This position represents a number of bytes in the
-   uncompressed data stream.
-
-   gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR)
-*/
-
-int gzeof OF((gzFile file));
-/*
-     Returns 1 when EOF has previously been detected reading the given
-   input stream, otherwise zero.
-*/
-
-int    gzclose OF((gzFile file));
-/*
-     Flushes all pending output if necessary, closes the compressed file
-   and deallocates all the (de)compression state. The return value is the zlib
-   error number (see function gzerror below).
-*/
-
-// static const char * gzerror OF((gzFile file, int *errnum));
-/*
-     Returns the error message for the last error which occurred on the
-   given compressed file. errnum is set to zlib error number. If an
-   error occurred in the file system and not in the compression library,
-   errnum is set to Z_ERRNO and the application may consult errno
-   to get the exact error code.
-*/
-
-                        /* checksum functions */
-
-/*
-     These functions are not related to compression but are exported
-   anyway because they might be useful in applications using the
-   compression library.
-*/
-
-static uLong adler32 OF((uLong adler, const Byte *buf, uInt len));
+  The encryption/decryption parts of this source code (as opposed to the
+  non-echoing password parts) were originally written in Europe.  The
+  whole source package can be freely distributed, including from the USA.
+  (Prior to January 2000, re-export from the US was a violation of US law.)
+ */
 
 /*
-     Update a running Adler-32 checksum with the bytes buf[0..len-1] and
-   return the updated checksum. If buf is NULL, this function returns
-   the required initial value for the checksum.
-   An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
-   much faster. Usage example:
-
-     uLong adler = adler32(0L, Z_NULL, 0);
-
-     while (read_buffer(buffer, length) != EOF) {
-       adler = adler32(adler, buffer, length);
-     }
-     if (adler != original_adler) error();
-*/
-
-                        /* various hacks, don't look :) */
-
-/* deflateInit and inflateInit are macros to allow checking the zlib version
- * and the compiler's view of z_stream:
+  This encryption code is a direct transcription of the algorithm from
+  Roger Schlafly, described by Phil Katz in the file appnote.txt.  This
+  file (appnote.txt) is distributed with the PKZIP program (even in the
+  version without encryption capabilities).
  */
-/*
-static int deflateInit_ OF((z_streamp strm, int level,
-                                     const char *version, int stream_size));
-static int inflateInit_ OF((z_streamp strm,
-                                     const char *version, int stream_size));
-static int deflateInit2_ OF((z_streamp strm, int  level, int  method,
-                                      int windowBits, int memLevel,
-                                      int strategy, const char *version,
-                                      int stream_size));
-*/
-static int inflateInit2_ OF((z_streamp strm, int  windowBits,
-                                      const char *version, int stream_size));
-
-#define deflateInit(strm, level) \
-        deflateInit_((strm), (level),       ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit(strm) \
-        inflateInit_((strm),                ZLIB_VERSION, sizeof(z_stream))
-#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
-        deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
-                      (strategy),           ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit2(strm, windowBits) \
-        inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
 
 
-// static const char   * zError           OF((int err));
-// static int            inflateSyncPoint OF((z_streamp z));
-// static const uLong * get_crc_table    OF((void));
-
-typedef unsigned char  uch;
-typedef unsigned short ush;
-typedef unsigned long  ulg;
-
-// static const char *z_errmsg[10]; /* indexed by 2-zlib_error */
-/* (size given to avoid silly warnings with Visual C++) */
-
-#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
-
-#define ERR_RETURN(strm,err) \
-  return (strm->msg = (char*)ERR_MSG(err), (err))
-/* To be used only when the state is known to be valid */
-
-        /* common constants */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "zlib.h"
+#include "unzip.h"
 
-#ifndef DEF_WBITS
-#  define DEF_WBITS MAX_WBITS
+#ifdef STDC
+#  include <stddef.h>
+#  include <string.h>
+#  include <stdlib.h>
 #endif
-/* default windowBits for decompression. MAX_WBITS is for compression only */
-
-#if MAX_MEM_LEVEL >= 8
-#  define DEF_MEM_LEVEL 8
+#ifdef NO_ERRNO_H
+    extern int errno;
 #else
-#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
+#   include <errno.h>
 #endif
-/* default memLevel */
-
-#define STORED_BLOCK 0
-#define STATIC_TREES 1
-#define DYN_TREES    2
-/* The three kinds of block type */
-
-#define MIN_MATCH  3
-#define MAX_MATCH  258
-/* The minimum and maximum match lengths */
-
-#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
 
-        /* target dependencies */
-
-        /* Common defaults */
-
-#ifndef OS_CODE
-#  define OS_CODE  0x03  /* assume Unix */
-#endif
 
-#ifndef F_OPEN
-#  define F_OPEN(name, mode) fopen((name), (mode))
+#ifndef local
+#  define local static
 #endif
+/* compile with -Dlocal if your debugger can't find static symbols */
 
-         /* functions */
-
-#ifdef HAVE_STRERROR
-   extern char *strerror OF((int));
-#  define zstrerror(errnum) strerror(errnum)
-#else
-#  define zstrerror(errnum) ""
-#endif
-
-#define zmemcpy Com_Memcpy
-#define zmemcmp memcmp
-#define zmemzero(dest, len) Com_Memset(dest, 0, len)
-
-/* Diagnostic functions */
-#ifdef _ZIP_DEBUG_
-   int z_verbose = 0;
-#  define Assert(cond,msg) assert(cond);
-   //{if(!(cond)) Sys_Error(msg);}
-#  define Trace(x) {if (z_verbose>=0) Sys_Error x ;}
-#  define Tracev(x) {if (z_verbose>0) Sys_Error x ;}
-#  define Tracevv(x) {if (z_verbose>1) Sys_Error x ;}
-#  define Tracec(c,x) {if (z_verbose>0 && (c)) Sys_Error x ;}
-#  define Tracecv(c,x) {if (z_verbose>1 && (c)) Sys_Error x ;}
-#else
-#  define Assert(cond,msg)
-#  define Trace(x)
-#  define Tracev(x)
-#  define Tracevv(x)
-#  define Tracec(c,x)
-#  define Tracecv(c,x)
-#endif
 
-
-typedef uLong (*check_func) OF((uLong check, const Byte *buf, uInt len));
-static voidp zcalloc OF((voidp opaque, unsigned items, unsigned size));
-static void   zcfree  OF((voidp opaque, voidp ptr));
-
-#define ZALLOC(strm, items, size) \
-           (*((strm)->zalloc))((strm)->opaque, (items), (size))
-#define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidp)(addr))
-#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
-
-
-#if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) && \
-                      !defined(CASESENSITIVITYDEFAULT_NO)
-#define CASESENSITIVITYDEFAULT_NO
+#ifndef CASESENSITIVITYDEFAULT_NO
+#  if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES)
+#    define CASESENSITIVITYDEFAULT_NO
+#  endif
 #endif
 
 
 #ifndef UNZ_BUFSIZE
-#define UNZ_BUFSIZE (65536)
+#define UNZ_BUFSIZE (16384)
 #endif
 
 #ifndef UNZ_MAXFILENAMEINZIP
@@ -1065,10 +75,10 @@ static void   zcfree  OF((voidp opaque, voidp ptr));
 #endif
 
 #ifndef ALLOC
-# define ALLOC(size) (Z_Malloc(size))
+# define ALLOC(size) (malloc(size))
 #endif
 #ifndef TRYFREE
-# define TRYFREE(p) {if (p) Z_Free(p);}
+# define TRYFREE(p) {if (p) free(p);}
 #endif
 
 #define SIZECENTRALDIRITEM (0x2e)
@@ -1076,17 +86,95 @@ static void   zcfree  OF((voidp opaque, voidp ptr));
 
 
 
+
+const char unz_copyright[] =
+   " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
+
+/* unz_file_info_interntal contain internal info about a file in zipfile*/
+typedef struct unz_file_info_internal_s
+{
+    uLong offset_curfile;/* relative offset of local header 4 bytes */
+} unz_file_info_internal;
+
+
+/* file_in_zip_read_info_s contain internal information about a file in zipfile,
+    when reading and decompress it */
+typedef struct
+{
+    char  *read_buffer;         /* internal buffer for compressed data */
+    z_stream stream;            /* zLib stream structure for inflate */
+
+    uLong pos_in_zipfile;       /* position in byte on the zipfile, for fseek*/
+    uLong stream_initialised;   /* flag set if stream structure is initialised*/
+
+    uLong offset_local_extrafield;/* offset of the local extra field */
+    uInt  size_local_extrafield;/* size of the local extra field */
+    uLong pos_local_extrafield;   /* position in the local extra field in read*/
+
+    uLong crc32;                /* crc32 of all data uncompressed */
+    uLong crc32_wait;           /* crc32 we must obtain after decompress all */
+    uLong rest_read_compressed; /* number of byte to be decompressed */
+    uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/
+    zlib_filefunc_def z_filefunc;
+    voidpf filestream;        /* io structore of the zipfile */
+    uLong compression_method;   /* compression method (0==store) */
+    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
+    int   raw;
+} file_in_zip_read_info_s;
+
+
+/* unz_s contain internal information about the zipfile
+*/
+typedef struct
+{
+    zlib_filefunc_def z_filefunc;
+    voidpf filestream;        /* io structore of the zipfile */
+    unz_global_info gi;       /* public global information */
+    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
+    uLong num_file;             /* number of the current file in the zipfile*/
+    uLong pos_in_central_dir;   /* pos of the current file in the central dir*/
+    uLong current_file_ok;      /* flag about the usability of the current file*/
+    uLong central_pos;          /* position of the beginning of the central dir*/
+
+    uLong size_central_dir;     /* size of the central directory  */
+    uLong offset_central_dir;   /* offset of start of central directory with
+                                   respect to the starting disk number */
+
+    unz_file_info cur_file_info; /* public info about the current file in zip*/
+    unz_file_info_internal cur_file_info_internal; /* private info about it*/
+    file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
+                                        file if we are decompressing it */
+    int encrypted;
+#    ifndef NOUNCRYPT
+    unsigned long keys[3];     /* keys defining the pseudo-random sequence */
+    const unsigned long* pcrc_32_tab;
+#    endif
+} unz_s;
+
+
+#ifndef NOUNCRYPT
+#include "crypt.h"
+#endif
+
 /* ===========================================================================
      Read a byte from a gz_stream; update next_in and avail_in. Return EOF
    for end of file.
    IN assertion: the stream s has been sucessfully opened for reading.
 */
 
-/*
-static int unzlocal_getByte(FILE *fin,int *pi)
+
+local int unzlocal_getByte OF((
+    const zlib_filefunc_def* pzlib_filefunc_def,
+    voidpf filestream,
+    int *pi));
+
+local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi)
+    const zlib_filefunc_def* pzlib_filefunc_def;
+    voidpf filestream;
+    int *pi;
 {
     unsigned char c;
-	int err = fread(&c, 1, 1, fin);
+    int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
     if (err==1)
     {
         *pi = (int)c;
@@ -1094,106 +182,107 @@ static int unzlocal_getByte(FILE *fin,int *pi)
     }
     else
     {
-        if (ferror(fin)) 
+        if (ZERROR(*pzlib_filefunc_def,filestream))
             return UNZ_ERRNO;
         else
             return UNZ_EOF;
     }
 }
-*/
+
 
 /* ===========================================================================
-   Reads a long in LSB order from the given gz_stream. Sets 
+   Reads a long in LSB order from the given gz_stream. Sets
 */
-static int unzlocal_getShort (FILE* fin, uLong *pX)
-{
-	short	v;
-
-	size_t size;
-	size = fread( &v, sizeof(v), 1, fin );
-
-	*pX = LittleShort( v);
-	return UNZ_OK;
+local int unzlocal_getShort OF((
+    const zlib_filefunc_def* pzlib_filefunc_def,
+    voidpf filestream,
+    uLong *pX));
 
-/*
+local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)
+    const zlib_filefunc_def* pzlib_filefunc_def;
+    voidpf filestream;
+    uLong *pX;
+{
     uLong x ;
     int i;
     int err;
 
-    err = unzlocal_getByte(fin,&i);
+    err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x = (uLong)i;
-    
+
     if (err==UNZ_OK)
-        err = unzlocal_getByte(fin,&i);
+        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x += ((uLong)i)<<8;
-   
+
     if (err==UNZ_OK)
         *pX = x;
     else
         *pX = 0;
     return err;
-*/
 }
 
-static int unzlocal_getLong (FILE *fin, uLong *pX)
-{
-	int		v;
-
-	size_t size;
-	size = fread( &v, sizeof(v), 1, fin );
-
-	*pX = LittleLong( v);
-	return UNZ_OK;
+local int unzlocal_getLong OF((
+    const zlib_filefunc_def* pzlib_filefunc_def,
+    voidpf filestream,
+    uLong *pX));
 
-/*
+local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)
+    const zlib_filefunc_def* pzlib_filefunc_def;
+    voidpf filestream;
+    uLong *pX;
+{
     uLong x ;
     int i;
     int err;
 
-    err = unzlocal_getByte(fin,&i);
+    err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x = (uLong)i;
-    
+
     if (err==UNZ_OK)
-        err = unzlocal_getByte(fin,&i);
+        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x += ((uLong)i)<<8;
 
     if (err==UNZ_OK)
-        err = unzlocal_getByte(fin,&i);
+        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x += ((uLong)i)<<16;
 
     if (err==UNZ_OK)
-        err = unzlocal_getByte(fin,&i);
+        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
     x += ((uLong)i)<<24;
-   
+
     if (err==UNZ_OK)
         *pX = x;
     else
         *pX = 0;
     return err;
-*/
 }
 
+local int strcmpcasenosensitive_internal OF((
+    const char* fileName1,
+    const char* fileName2));
 
 /* My own strcmpi / strcasecmp */
-static int strcmpcasenosensitive_internal (const char* fileName1,const char* fileName2)
+local int strcmpcasenosensitive_internal (fileName1,fileName2)
+    const char* fileName1;
+    const char* fileName2;
 {
-	for (;;)
-	{
-		char c1=*(fileName1++);
-		char c2=*(fileName2++);
-		if ((c1>='a') && (c1<='z'))
-			c1 -= 0x20;
-		if ((c2>='a') && (c2<='z'))
-			c2 -= 0x20;
-		if (c1=='\0')
-			return ((c2=='\0') ? 0 : -1);
-		if (c2=='\0')
-			return 1;
-		if (c1<c2)
-			return -1;
-		if (c1>c2)
-			return 1;
-	}
+    for (;;)
+    {
+        char c1=*(fileName1++);
+        char c2=*(fileName2++);
+        if ((c1>='a') && (c1<='z'))
+            c1 -= 0x20;
+        if ((c2>='a') && (c2<='z'))
+            c2 -= 0x20;
+        if (c1=='\0')
+            return ((c2=='\0') ? 0 : -1);
+        if (c2=='\0')
+            return 1;
+        if (c1<c2)
+            return -1;
+        if (c1>c2)
+            return 1;
+    }
 }
 
 
@@ -1207,7 +296,7 @@ static int strcmpcasenosensitive_internal (const char* fileName1,const char* fil
 #define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
 #endif
 
-/* 
+/*
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
    If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
@@ -1216,211 +305,226 @@ static int strcmpcasenosensitive_internal (const char* fileName1,const char* fil
         (like 1 on Unix, 2 on Windows)
 
 */
-extern  int unzStringFileNameCompare (const char* fileName1,const char* fileName2,int iCaseSensitivity)
+extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
+    const char* fileName1;
+    const char* fileName2;
+    int iCaseSensitivity;
 {
-	if (iCaseSensitivity==0)
-		iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
+    if (iCaseSensitivity==0)
+        iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
 
-	if (iCaseSensitivity==1)
-		return strcmp(fileName1,fileName2);
+    if (iCaseSensitivity==1)
+        return strcmp(fileName1,fileName2);
 
-	return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
-} 
+    return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
+}
 
+#ifndef BUFREADCOMMENT
 #define BUFREADCOMMENT (0x400)
+#endif
 
 /*
   Locate the Central directory of a zipfile (at the end, just before
     the global comment)
 */
-extern uLong unzlocal_SearchCentralDir(FILE *fin)
-{
-	unsigned char* buf;
-	uLong uSizeFile;
-	uLong uBackRead;
-	uLong uMaxBack=0xffff; /* maximum size of global comment */
-	uLong uPosFound=0;
-	
-	if (fseek(fin,0,SEEK_END) != 0)
-		return 0;
-
-
-	uSizeFile = ftell( fin );
-	
-	if (uMaxBack>uSizeFile)
-		uMaxBack = uSizeFile;
-
-	buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
-	if (buf==NULL)
-		return 0;
-
-	uBackRead = 4;
-	while (uBackRead<uMaxBack)
-	{
-		uLong uReadSize,uReadPos ;
-		int i;
-		if (uBackRead+BUFREADCOMMENT>uMaxBack) 
-			uBackRead = uMaxBack;
-		else
-			uBackRead+=BUFREADCOMMENT;
-		uReadPos = uSizeFile-uBackRead ;
-		
-		uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? 
-                     (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
-		if (fseek(fin,uReadPos,SEEK_SET)!=0)
-			break;
-
-		if (fread(buf,(uInt)uReadSize,1,fin)!=1)
-			break;
-
-                for (i=(int)uReadSize-3; (i--)>0;)
-			if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && 
-				((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
-			{
-				uPosFound = uReadPos+i;
-				break;
-			}
-
-		if (uPosFound!=0)
-			break;
-	}
-	TRYFREE(buf);
-	return uPosFound;
-}
+local uLong unzlocal_SearchCentralDir OF((
+    const zlib_filefunc_def* pzlib_filefunc_def,
+    voidpf filestream));
 
-extern unzFile unzReOpen (const char* path, unzFile file)
+local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream)
+    const zlib_filefunc_def* pzlib_filefunc_def;
+    voidpf filestream;
 {
-	unz_s *s;
-	FILE * fin;
+    unsigned char* buf;
+    uLong uSizeFile;
+    uLong uBackRead;
+    uLong uMaxBack=0xffff; /* maximum size of global comment */
+    uLong uPosFound=0;
+
+    if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
+        return 0;
 
-    fin=fopen(path,"rb");
-	if (fin==NULL)
-		return NULL;
 
-	s=(unz_s*)ALLOC(sizeof(unz_s));
-	Com_Memcpy(s, (unz_s*)file, sizeof(unz_s));
+    uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
+
+    if (uMaxBack>uSizeFile)
+        uMaxBack = uSizeFile;
+
+    buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
+    if (buf==NULL)
+        return 0;
+
+    uBackRead = 4;
+    while (uBackRead<uMaxBack)
+    {
+        uLong uReadSize,uReadPos ;
+        int i;
+        if (uBackRead+BUFREADCOMMENT>uMaxBack)
+            uBackRead = uMaxBack;
+        else
+            uBackRead+=BUFREADCOMMENT;
+        uReadPos = uSizeFile-uBackRead ;
+
+        uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
+                     (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
+        if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
+            break;
+
+        if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
+            break;
+
+        for (i=(int)uReadSize-3; (i--)>0;)
+            if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
+                ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
+            {
+                uPosFound = uReadPos+i;
+                break;
+            }
 
-	s->file = fin;
-	return (unzFile)s;	
+        if (uPosFound!=0)
+            break;
+    }
+    TRYFREE(buf);
+    return uPosFound;
 }
 
 /*
   Open a Zip file. path contain the full pathname (by example,
-     on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer
-	 "zlib/zlib109.zip".
-	 If the zipfile cannot be opened (file don't exist or in not valid), the
-	   return value is NULL.
+     on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer
+     "zlib/zlib114.zip".
+     If the zipfile cannot be opened (file doesn't exist or in not valid), the
+       return value is NULL.
      Else, the return value is a unzFile Handle, usable with other function
-	   of this unzip package.
+       of this unzip package.
 */
-extern unzFile unzOpen (const char* path)
+extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def)
+    const char *path;
+    zlib_filefunc_def* pzlib_filefunc_def;
 {
-	unz_s us;
-	unz_s *s;
-	uLong central_pos,uL;
-	FILE * fin ;
-
-	uLong number_disk;          /* number of the current dist, used for 
-								   spaning ZIP, unsupported, always 0*/
-	uLong number_disk_with_CD;  /* number the the disk with central dir, used
-								   for spaning ZIP, unsupported, always 0*/
-	uLong number_entry_CD;      /* total number of entries in
-	                               the central dir 
-	                               (same than number_entry on nospan) */
-
-	int err=UNZ_OK;
-
-    fin=fopen(path,"rb");
-	if (fin==NULL)
-		return NULL;
-
-	central_pos = unzlocal_SearchCentralDir(fin);
-	if (central_pos==0)
-		err=UNZ_ERRNO;
-
-	if (fseek(fin,central_pos,SEEK_SET)!=0)
-		err=UNZ_ERRNO;
-
-	/* the signature, already checked */
-	if (unzlocal_getLong(fin,&uL)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* number of this disk */
-	if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* number of the disk with the start of the central directory */
-	if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* total number of entries in the central dir on this disk */
-	if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* total number of entries in the central dir */
-	if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if ((number_entry_CD!=us.gi.number_entry) ||
-		(number_disk_with_CD!=0) ||
-		(number_disk!=0))
-		err=UNZ_BADZIPFILE;
-
-	/* size of the central directory */
-	if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* offset of start of central directory with respect to the 
-	      starting disk number */
-	if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	/* zipfile comment length */
-	if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if ((central_pos<us.offset_central_dir+us.size_central_dir) && 
-		(err==UNZ_OK))
-		err=UNZ_BADZIPFILE;
-
-	if (err!=UNZ_OK)
-	{
-		fclose(fin);
-		return NULL;
-	}
-
-	us.file=fin;
-	us.byte_before_the_zipfile = central_pos -
-		                    (us.offset_central_dir+us.size_central_dir);
-	us.central_pos = central_pos;
+    unz_s us;
+    unz_s *s;
+    uLong central_pos,uL;
+
+    uLong number_disk;          /* number of the current dist, used for
+                                   spaning ZIP, unsupported, always 0*/
+    uLong number_disk_with_CD;  /* number the the disk with central dir, used
+                                   for spaning ZIP, unsupported, always 0*/
+    uLong number_entry_CD;      /* total number of entries in
+                                   the central dir
+                                   (same than number_entry on nospan) */
+
+    int err=UNZ_OK;
+
+    if (unz_copyright[0]!=' ')
+        return NULL;
+
+    if (pzlib_filefunc_def==NULL)
+        fill_fopen_filefunc(&us.z_filefunc);
+    else
+        us.z_filefunc = *pzlib_filefunc_def;
+
+    us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque,
+                                                 path,
+                                                 ZLIB_FILEFUNC_MODE_READ |
+                                                 ZLIB_FILEFUNC_MODE_EXISTING);
+    if (us.filestream==NULL)
+        return NULL;
+
+    central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream);
+    if (central_pos==0)
+        err=UNZ_ERRNO;
+
+    if (ZSEEK(us.z_filefunc, us.filestream,
+                                      central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
+        err=UNZ_ERRNO;
+
+    /* the signature, already checked */
+    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* number of this disk */
+    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* number of the disk with the start of the central directory */
+    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* total number of entries in the central dir on this disk */
+    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* total number of entries in the central dir */
+    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if ((number_entry_CD!=us.gi.number_entry) ||
+        (number_disk_with_CD!=0) ||
+        (number_disk!=0))
+        err=UNZ_BADZIPFILE;
+
+    /* size of the central directory */
+    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* offset of start of central directory with respect to the
+          starting disk number */
+    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* zipfile comment length */
+    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if ((central_pos<us.offset_central_dir+us.size_central_dir) &&
+        (err==UNZ_OK))
+        err=UNZ_BADZIPFILE;
+
+    if (err!=UNZ_OK)
+    {
+        ZCLOSE(us.z_filefunc, us.filestream);
+        return NULL;
+    }
+
+    us.byte_before_the_zipfile = central_pos -
+                            (us.offset_central_dir+us.size_central_dir);
+    us.central_pos = central_pos;
     us.pfile_in_zip_read = NULL;
-	
+    us.encrypted = 0;
+
 
-	s=(unz_s*)ALLOC(sizeof(unz_s));
-	*s=us;
-//	unzGoToFirstFile((unzFile)s);	
-	return (unzFile)s;	
+    s=(unz_s*)ALLOC(sizeof(unz_s));
+    *s=us;
+    unzGoToFirstFile((unzFile)s);
+    return (unzFile)s;
 }
 
 
+extern unzFile ZEXPORT unzOpen (path)
+    const char *path;
+{
+    return unzOpen2(path, NULL);
+}
+
 /*
   Close a ZipFile opened with unzipOpen.
   If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
-extern int unzClose (unzFile file)
+extern int ZEXPORT unzClose (file)
+    unzFile file;
 {
-	unz_s* s;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
 
     if (s->pfile_in_zip_read!=NULL)
         unzCloseCurrentFile(file);
 
-	fclose(s->file);
-	TRYFREE(s);
-	return UNZ_OK;
+    ZCLOSE(s->z_filefunc, s->filestream);
+    TRYFREE(s);
+    return UNZ_OK;
 }
 
 
@@ -1428,21 +532,31 @@ extern int unzClose (unzFile file)
   Write info about the ZipFile in the *pglobal_info structure.
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
-extern int unzGetGlobalInfo (unzFile file,unz_global_info *pglobal_info)
+extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
+    unzFile file;
+    unz_global_info *pglobal_info;
 {
-	unz_s* s;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-	*pglobal_info=s->gi;
-	return UNZ_OK;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    *pglobal_info=s->gi;
+    return UNZ_OK;
 }
 
 
 /*
    Translate date/time from Dos format to tm_unz (readable more easilty)
 */
-static void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
+
+local void unzlocal_DosDateToTmuDate OF((
+    uLong ulDosDate,
+    tm_unz* ptm));
+        
+
+local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)
+    uLong ulDosDate;
+    tm_unz* ptm;
 {
     uLong uDate;
     uDate = (uLong)(ulDosDate>>16);
@@ -1458,161 +572,181 @@ static void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
 /*
   Get Info about the current file in the zipfile, with internal only info
 */
-static int unzlocal_GetCurrentFileInfoInternal (unzFile file,
+local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
                                                   unz_file_info *pfile_info,
-                                                  unz_file_info_internal 
+                                                  unz_file_info_internal
                                                   *pfile_info_internal,
                                                   char *szFileName,
-												  uLong fileNameBufferSize,
+                                                  uLong fileNameBufferSize,
                                                   void *extraField,
-												  uLong extraFieldBufferSize,
+                                                  uLong extraFieldBufferSize,
                                                   char *szComment,
-												  uLong commentBufferSize)
+                                                  uLong commentBufferSize));
+
+local int unzlocal_GetCurrentFileInfoInternal (file,
+                                              pfile_info,
+                                              pfile_info_internal,
+                                              szFileName, fileNameBufferSize,
+                                              extraField, extraFieldBufferSize,
+                                              szComment,  commentBufferSize)
+    unzFile file;
+    unz_file_info *pfile_info;
+    unz_file_info_internal *pfile_info_internal;
+    char *szFileName;
+    uLong fileNameBufferSize;
+    void *extraField;
+    uLong extraFieldBufferSize;
+    char *szComment;
+    uLong commentBufferSize;
 {
-	unz_s* s;
-	unz_file_info file_info;
-	unz_file_info_internal file_info_internal;
-	int err=UNZ_OK;
-	uLong uMagic;
-	long lSeek=0;
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-	if (fseek(s->file,s->pos_in_central_dir+s->byte_before_the_zipfile,SEEK_SET)!=0)
-		err=UNZ_ERRNO;
-
-
-	/* we check the magic */
-	if (err==UNZ_OK) {
-		if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
-			err=UNZ_ERRNO;
-		else if (uMagic!=0x02014b50)
-			err=UNZ_BADZIPFILE;
-	}
-	if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.version_needed) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.flag) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.compression_method) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&file_info.dosDate) != UNZ_OK)
-		err=UNZ_ERRNO;
+    unz_s* s;
+    unz_file_info file_info;
+    unz_file_info_internal file_info_internal;
+    int err=UNZ_OK;
+    uLong uMagic;
+    long lSeek=0;
+
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (ZSEEK(s->z_filefunc, s->filestream,
+              s->pos_in_central_dir+s->byte_before_the_zipfile,
+              ZLIB_FILEFUNC_SEEK_SET)!=0)
+        err=UNZ_ERRNO;
+
+
+    /* we check the magic */
+    if (err==UNZ_OK)
+    {
+        if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
+            err=UNZ_ERRNO;
+        else if (uMagic!=0x02014b50)
+            err=UNZ_BADZIPFILE;
+    }
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK)
+        err=UNZ_ERRNO;
 
     unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
 
-	if (unzlocal_getLong(s->file,&file_info.crc) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&file_info.compressed_size) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&file_info.uncompressed_size) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.size_filename) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.size_file_extra) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.size_file_comment) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.disk_num_start) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&file_info.internal_fa) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&file_info.external_fa) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&file_info_internal.offset_curfile) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	lSeek+=file_info.size_filename;
-	if ((err==UNZ_OK) && (szFileName!=NULL))
-	{
-		uLong uSizeRead ;
-		if (file_info.size_filename<fileNameBufferSize)
-		{
-			*(szFileName+file_info.size_filename)='\0';
-			uSizeRead = file_info.size_filename;
-		}
-		else
-			uSizeRead = fileNameBufferSize;
-
-		if ((file_info.size_filename>0) && (fileNameBufferSize>0))
-			if (fread(szFileName,(uInt)uSizeRead,1,s->file)!=1)
-				err=UNZ_ERRNO;
-		lSeek -= uSizeRead;
-	}
-
-	
-	if ((err==UNZ_OK) && (extraField!=NULL))
-	{
-		uLong uSizeRead ;
-		if (file_info.size_file_extra<extraFieldBufferSize)
-			uSizeRead = file_info.size_file_extra;
-		else
-			uSizeRead = extraFieldBufferSize;
-
-		if (lSeek!=0) {
-			if (fseek(s->file,lSeek,SEEK_CUR)==0)
-				lSeek=0;
-			else
-				err=UNZ_ERRNO;
-		}
-		if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) {
-			if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1)
-				err=UNZ_ERRNO;
-		}
-		lSeek += file_info.size_file_extra - uSizeRead;
-	}
-	else
-		lSeek+=file_info.size_file_extra; 
-
-	
-	if ((err==UNZ_OK) && (szComment!=NULL))
-	{
-		uLong uSizeRead ;
-		if (file_info.size_file_comment<commentBufferSize)
-		{
-			*(szComment+file_info.size_file_comment)='\0';
-			uSizeRead = file_info.size_file_comment;
-		}
-		else
-			uSizeRead = commentBufferSize;
-
-		if (lSeek!=0) {
-			if (fseek(s->file,lSeek,SEEK_CUR)==0)
-				lSeek=0;
-			else
-				err=UNZ_ERRNO;
-		}
-		if ((file_info.size_file_comment>0) && (commentBufferSize>0)) {
-			if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1)
-				err=UNZ_ERRNO;
-		}
-		lSeek+=file_info.size_file_comment - uSizeRead;
-	}
-	else
-		lSeek+=file_info.size_file_comment;
-
-	if ((err==UNZ_OK) && (pfile_info!=NULL))
-		*pfile_info=file_info;
-
-	if ((err==UNZ_OK) && (pfile_info_internal!=NULL))
-		*pfile_info_internal=file_info_internal;
-
-	return err;
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    lSeek+=file_info.size_filename;
+    if ((err==UNZ_OK) && (szFileName!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_filename<fileNameBufferSize)
+        {
+            *(szFileName+file_info.size_filename)='\0';
+            uSizeRead = file_info.size_filename;
+        }
+        else
+            uSizeRead = fileNameBufferSize;
+
+        if ((file_info.size_filename>0) && (fileNameBufferSize>0))
+            if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead)
+                err=UNZ_ERRNO;
+        lSeek -= uSizeRead;
+    }
+
+
+    if ((err==UNZ_OK) && (extraField!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_file_extra<extraFieldBufferSize)
+            uSizeRead = file_info.size_file_extra;
+        else
+            uSizeRead = extraFieldBufferSize;
+
+        if (lSeek!=0)
+        {
+            if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
+                lSeek=0;
+            else
+                err=UNZ_ERRNO;
+        }
+        if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
+            if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)
+                err=UNZ_ERRNO;
+        lSeek += file_info.size_file_extra - uSizeRead;
+    }
+    else
+        lSeek+=file_info.size_file_extra;
+
+
+    if ((err==UNZ_OK) && (szComment!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_file_comment<commentBufferSize)
+        {
+            *(szComment+file_info.size_file_comment)='\0';
+            uSizeRead = file_info.size_file_comment;
+        }
+        else
+            uSizeRead = commentBufferSize;
+
+        if (lSeek!=0)
+        {
+            if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
+                lSeek=0;
+            else
+                err=UNZ_ERRNO;
+        }
+        if ((file_info.size_file_comment>0) && (commentBufferSize>0))
+            if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)
+                err=UNZ_ERRNO;
+        lSeek+=file_info.size_file_comment - uSizeRead;
+    }
+    else
+        lSeek+=file_info.size_file_comment;
+
+    if ((err==UNZ_OK) && (pfile_info!=NULL))
+        *pfile_info=file_info;
+
+    if ((err==UNZ_OK) && (pfile_info_internal!=NULL))
+        *pfile_info_internal=file_info_internal;
+
+    return err;
 }
 
 
@@ -1622,102 +756,77 @@ static int unzlocal_GetCurrentFileInfoInternal (unzFile file,
   No preparation of the structure is needed
   return UNZ_OK if there is no problem.
 */
-extern int unzGetCurrentFileInfo (	unzFile file, unz_file_info *pfile_info,
-									char *szFileName, uLong fileNameBufferSize,
-									void *extraField, uLong extraFieldBufferSize,
-									char *szComment, uLong commentBufferSize)
+extern int ZEXPORT unzGetCurrentFileInfo (file,
+                                          pfile_info,
+                                          szFileName, fileNameBufferSize,
+                                          extraField, extraFieldBufferSize,
+                                          szComment,  commentBufferSize)
+    unzFile file;
+    unz_file_info *pfile_info;
+    char *szFileName;
+    uLong fileNameBufferSize;
+    void *extraField;
+    uLong extraFieldBufferSize;
+    char *szComment;
+    uLong commentBufferSize;
 {
-	return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
-												szFileName,fileNameBufferSize,
-												extraField,extraFieldBufferSize,
-												szComment,commentBufferSize);
+    return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
+                                                szFileName,fileNameBufferSize,
+                                                extraField,extraFieldBufferSize,
+                                                szComment,commentBufferSize);
 }
 
 /*
   Set the current file of the zipfile to the first file.
   return UNZ_OK if there is no problem
 */
-extern int unzGoToFirstFile (unzFile file)
+extern int ZEXPORT unzGoToFirstFile (file)
+    unzFile file;
 {
-	int err=UNZ_OK;
-	unz_s* s;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-	s->pos_in_central_dir=s->offset_central_dir;
-	s->num_file=0;
-	err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
-											 &s->cur_file_info_internal,
-											 NULL,0,NULL,0,NULL,0);
-	s->current_file_ok = (err == UNZ_OK);
-	return err;
+    int err=UNZ_OK;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    s->pos_in_central_dir=s->offset_central_dir;
+    s->num_file=0;
+    err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
+                                             &s->cur_file_info_internal,
+                                             NULL,0,NULL,0,NULL,0);
+    s->current_file_ok = (err == UNZ_OK);
+    return err;
 }
 
-
 /*
   Set the current file of the zipfile to the next file.
   return UNZ_OK if there is no problem
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
-extern int unzGoToNextFile (unzFile file)
-{
-	unz_s* s;	
-	int err;
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-	if (!s->current_file_ok)
-		return UNZ_END_OF_LIST_OF_FILE;
-	if (s->num_file+1==s->gi.number_entry)
-		return UNZ_END_OF_LIST_OF_FILE;
-
-	s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +
-			s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
-	s->num_file++;
-	err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
-											   &s->cur_file_info_internal,
-											   NULL,0,NULL,0,NULL,0);
-	s->current_file_ok = (err == UNZ_OK);
-	return err;
-}
-
-/*
-  Get the position of the info of the current file in the zip.
-  return UNZ_OK if there is no problem
-*/
-extern int unzGetCurrentFileInfoPosition (unzFile file, unsigned long *pos )
+extern int ZEXPORT unzGoToNextFile (file)
+    unzFile file;
 {
-	unz_s* s;	
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
+    unz_s* s;
+    int err;
 
-	*pos = s->pos_in_central_dir;
-	return UNZ_OK;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_END_OF_LIST_OF_FILE;
+    if (s->gi.number_entry != 0xffff)    /* 2^16 files overflow hack */
+      if (s->num_file+1==s->gi.number_entry)
+        return UNZ_END_OF_LIST_OF_FILE;
+
+    s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +
+            s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
+    s->num_file++;
+    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
+                                               &s->cur_file_info_internal,
+                                               NULL,0,NULL,0,NULL,0);
+    s->current_file_ok = (err == UNZ_OK);
+    return err;
 }
 
-/*
-  Set the position of the info of the current file in the zip.
-  return UNZ_OK if there is no problem
-*/
-extern int unzSetCurrentFileInfoPosition (unzFile file, unsigned long pos )
-{
-	unz_s* s;	
-	int err;
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-
-	s->pos_in_central_dir = pos;
-	err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
-											   &s->cur_file_info_internal,
-											   NULL,0,NULL,0,NULL,0);
-	s->current_file_ok = (err == UNZ_OK);
-	return UNZ_OK;
-}
 
 /*
   Try locate the file szFileName in the zipfile.
@@ -1727,2574 +836,787 @@ extern int unzSetCurrentFileInfoPosition (unzFile file, unsigned long pos )
   UNZ_OK if the file is found. It becomes the current file.
   UNZ_END_OF_LIST_OF_FILE if the file is not found
 */
-extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity)
+extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
+    unzFile file;
+    const char *szFileName;
+    int iCaseSensitivity;
 {
-	unz_s* s;	
-	int err;
+    unz_s* s;
+    int err;
 
-	
-	uLong num_fileSaved;
-	uLong pos_in_central_dirSaved;
+    /* We remember the 'current' position in the file so that we can jump
+     * back there if we fail.
+     */
+    unz_file_info cur_file_infoSaved;
+    unz_file_info_internal cur_file_info_internalSaved;
+    uLong num_fileSaved;
+    uLong pos_in_central_dirSaved;
 
 
-	if (file==NULL)
-		return UNZ_PARAMERROR;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
 
     if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
         return UNZ_PARAMERROR;
 
-	s=(unz_s*)file;
-	if (!s->current_file_ok)
-		return UNZ_END_OF_LIST_OF_FILE;
-
-	num_fileSaved = s->num_file;
-	pos_in_central_dirSaved = s->pos_in_central_dir;
-
-	err = unzGoToFirstFile(file);
-
-	while (err == UNZ_OK)
-	{
-		char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
-		unzGetCurrentFileInfo(file,NULL,
-								szCurrentFileName,sizeof(szCurrentFileName)-1,
-								NULL,0,NULL,0);
-		if (unzStringFileNameCompare(szCurrentFileName,
-										szFileName,iCaseSensitivity)==0)
-			return UNZ_OK;
-		err = unzGoToNextFile(file);
-	}
-
-	s->num_file = num_fileSaved ;
-	s->pos_in_central_dir = pos_in_central_dirSaved ;
-	return err;
-}
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_END_OF_LIST_OF_FILE;
 
+    /* Save the current state */
+    num_fileSaved = s->num_file;
+    pos_in_central_dirSaved = s->pos_in_central_dir;
+    cur_file_infoSaved = s->cur_file_info;
+    cur_file_info_internalSaved = s->cur_file_info_internal;
 
-/*
-  Read the static header of the current zipfile
-  Check the coherency of the static header and info in the end of central
-        directory about this file
-  store in *piSizeVar the size of extra info in static header
-        (filename and size of extra field data)
-*/
-static int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
-													uLong *poffset_local_extrafield,
-													uInt *psize_local_extrafield)
-{
-	uLong uMagic,uData,uFlags;
-	uLong size_filename;
-	uLong size_extra_field;
-	int err=UNZ_OK;
-
-	*piSizeVar = 0;
-	*poffset_local_extrafield = 0;
-	*psize_local_extrafield = 0;
-
-	if (fseek(s->file,s->cur_file_info_internal.offset_curfile +
-								s->byte_before_the_zipfile,SEEK_SET)!=0)
-		return UNZ_ERRNO;
-
-
-	if (err==UNZ_OK) {
-		if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
-			err=UNZ_ERRNO;
-		else if (uMagic!=0x04034b50)
-			err=UNZ_BADZIPFILE;
-	}
-	if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
-		err=UNZ_ERRNO;
-/*
-	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
-		err=UNZ_BADZIPFILE;
-*/
-	if (unzlocal_getShort(s->file,&uFlags) != UNZ_OK)
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
-		err=UNZ_ERRNO;
-	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
-		err=UNZ_BADZIPFILE;
-
-    if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
-                         (s->cur_file_info.compression_method!=Z_DEFLATED))
-        err=UNZ_BADZIPFILE;
+    err = unzGoToFirstFile(file);
 
-	if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* date/time */
-		err=UNZ_ERRNO;
-
-	if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* crc */
-		err=UNZ_ERRNO;
-	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
-		                      ((uFlags & 8)==0))
-		err=UNZ_BADZIPFILE;
-
-	if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size compr */
-		err=UNZ_ERRNO;
-	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
-							  ((uFlags & 8)==0))
-		err=UNZ_BADZIPFILE;
-
-	if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size uncompr */
-		err=UNZ_ERRNO;
-	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && 
-							  ((uFlags & 8)==0))
-		err=UNZ_BADZIPFILE;
-
-
-	if (unzlocal_getShort(s->file,&size_filename) != UNZ_OK)
-		err=UNZ_ERRNO;
-	else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
-		err=UNZ_BADZIPFILE;
-
-	*piSizeVar += (uInt)size_filename;
+    while (err == UNZ_OK)
+    {
+        char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
+        err = unzGetCurrentFileInfo(file,NULL,
+                                    szCurrentFileName,sizeof(szCurrentFileName)-1,
+                                    NULL,0,NULL,0);
+        if (err == UNZ_OK)
+        {
+            if (unzStringFileNameCompare(szCurrentFileName,
+                                            szFileName,iCaseSensitivity)==0)
+                return UNZ_OK;
+            err = unzGoToNextFile(file);
+        }
+    }
 
-	if (unzlocal_getShort(s->file,&size_extra_field) != UNZ_OK)
-		err=UNZ_ERRNO;
-	*poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
-									SIZEZIPLOCALHEADER + size_filename;
-	*psize_local_extrafield = (uInt)size_extra_field;
+    /* We failed, so restore the state of the 'current file' to where we
+     * were.
+     */
+    s->num_file = num_fileSaved ;
+    s->pos_in_central_dir = pos_in_central_dirSaved ;
+    s->cur_file_info = cur_file_infoSaved;
+    s->cur_file_info_internal = cur_file_info_internalSaved;
+    return err;
+}
 
-	*piSizeVar += (uInt)size_extra_field;
 
-	return err;
-}
-												
 /*
-  Open for reading data the current file in the zipfile.
-  If there is no error and the file is opened, the return value is UNZ_OK.
+///////////////////////////////////////////
+// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net)
+// I need random access
+//
+// Further optimization could be realized by adding an ability
+// to cache the directory in memory. The goal being a single
+// comprehensive file read to put the file I need in a memory.
 */
-extern int unzOpenCurrentFile (unzFile file)
-{
-	int err=UNZ_OK;
-	int Store;
-	uInt iSizeVar;
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	uLong offset_local_extrafield;  /* offset of the static extra field */
-	uInt  size_local_extrafield;    /* size of the static extra field */
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-	if (!s->current_file_ok)
-		return UNZ_PARAMERROR;
-
-    if (s->pfile_in_zip_read != NULL)
-        unzCloseCurrentFile(file);
 
-	if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
-				&offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
-		return UNZ_BADZIPFILE;
-
-	pfile_in_zip_read_info = (file_in_zip_read_info_s*)
-									    ALLOC(sizeof(file_in_zip_read_info_s));
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_INTERNALERROR;
-
-	pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);
-	pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
-	pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
-	pfile_in_zip_read_info->pos_local_extrafield=0;
-
-	if (pfile_in_zip_read_info->read_buffer==NULL)
-	{
-		TRYFREE(pfile_in_zip_read_info);
-		return UNZ_INTERNALERROR;
-	}
-
-	pfile_in_zip_read_info->stream_initialised=0;
-	
-	if ((s->cur_file_info.compression_method!=0) &&
-        (s->cur_file_info.compression_method!=Z_DEFLATED))
-		err=UNZ_BADZIPFILE;
-	Store = s->cur_file_info.compression_method==0;
-
-	pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
-	pfile_in_zip_read_info->crc32=0;
-	pfile_in_zip_read_info->compression_method =
-            s->cur_file_info.compression_method;
-	pfile_in_zip_read_info->file=s->file;
-	pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
-
-    pfile_in_zip_read_info->stream.total_out = 0;
+/*
+typedef struct unz_file_pos_s
+{
+    uLong pos_in_zip_directory;   // offset in file
+    uLong num_of_file;            // # of file
+} unz_file_pos;
+*/
 
-	if (!Store)
-	{
-	  pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
-	  pfile_in_zip_read_info->stream.zfree = (free_func)0;
-	  pfile_in_zip_read_info->stream.opaque = (voidp)0; 
-      
-	  err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
-	  if (err == Z_OK)
-	    pfile_in_zip_read_info->stream_initialised=1;
-        /* windowBits is passed < 0 to tell that there is no zlib header.
-         * Note that in this case inflate *requires* an extra "dummy" byte
-         * after the compressed stream in order to complete decompression and
-         * return Z_STREAM_END. 
-         * In unzip, i don't wait absolutely Z_STREAM_END because I known the 
-         * size of both compressed and uncompressed data
-         */
-	}
-	pfile_in_zip_read_info->rest_read_compressed = 
-            s->cur_file_info.compressed_size ;
-	pfile_in_zip_read_info->rest_read_uncompressed = 
-            s->cur_file_info.uncompressed_size ;
+extern int ZEXPORT unzGetFilePos(file, file_pos)
+    unzFile file;
+    unz_file_pos* file_pos;
+{
+    unz_s* s;
 
-	
-	pfile_in_zip_read_info->pos_in_zipfile = 
-            s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + 
-			  iSizeVar;
-	
-	pfile_in_zip_read_info->stream.avail_in = (uInt)0;
+    if (file==NULL || file_pos==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_END_OF_LIST_OF_FILE;
 
+    file_pos->pos_in_zip_directory  = s->pos_in_central_dir;
+    file_pos->num_of_file           = s->num_file;
 
-	s->pfile_in_zip_read = pfile_in_zip_read_info;
     return UNZ_OK;
 }
 
-
-/*
-  Read bytes from the current file.
-  buf contain buffer where data must be copied
-  len the size of buf.
-
-  return the number of byte copied if somes bytes are copied
-  return 0 if the end of file was reached
-  return <0 with error code if there is an error
-    (UNZ_ERRNO for IO error, or zLib error for uncompress error)
-*/
-extern int unzReadCurrentFile  (unzFile file, void *buf, unsigned len)
+extern int ZEXPORT unzGoToFilePos(file, file_pos)
+    unzFile file;
+    unz_file_pos* file_pos;
 {
-	int err=UNZ_OK;
-	uInt iRead = 0;
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-    pfile_in_zip_read_info=s->pfile_in_zip_read;
-
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_PARAMERROR;
-
-
-	if ((pfile_in_zip_read_info->read_buffer == NULL))
-		return UNZ_END_OF_LIST_OF_FILE;
-	if (len==0)
-		return 0;
-
-	pfile_in_zip_read_info->stream.next_out = (Byte*)buf;
-
-	pfile_in_zip_read_info->stream.avail_out = (uInt)len;
-	
-	if (len>pfile_in_zip_read_info->rest_read_uncompressed)
-		pfile_in_zip_read_info->stream.avail_out = 
-		  (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
-
-	while (pfile_in_zip_read_info->stream.avail_out>0)
-	{
-		if ((pfile_in_zip_read_info->stream.avail_in==0) &&
-            (pfile_in_zip_read_info->rest_read_compressed>0))
-		{
-			uInt uReadThis = UNZ_BUFSIZE;
-			if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
-				uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
-			if (uReadThis == 0)
-				return UNZ_EOF;
-			if (s->cur_file_info.compressed_size == pfile_in_zip_read_info->rest_read_compressed)
-				if (fseek(pfile_in_zip_read_info->file,
-						  pfile_in_zip_read_info->pos_in_zipfile + 
-							 pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET)!=0)
-					return UNZ_ERRNO;
-			if (fread(pfile_in_zip_read_info->read_buffer,uReadThis,1,
-                         pfile_in_zip_read_info->file)!=1)
-				return UNZ_ERRNO;
-			pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
-
-			pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
-			
-			pfile_in_zip_read_info->stream.next_in = 
-                (Byte*)pfile_in_zip_read_info->read_buffer;
-			pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
-		}
-
-		if (pfile_in_zip_read_info->compression_method==0)
-		{
-			uInt uDoCopy,i ;
-			if (pfile_in_zip_read_info->stream.avail_out < 
-                            pfile_in_zip_read_info->stream.avail_in)
-				uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
-			else
-				uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
-				
-			for (i=0;i<uDoCopy;i++)
-				*(pfile_in_zip_read_info->stream.next_out+i) =
-                        *(pfile_in_zip_read_info->stream.next_in+i);
-					
-//			pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
-//								pfile_in_zip_read_info->stream.next_out,
-//								uDoCopy);
-			pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
-			pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
-			pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
-			pfile_in_zip_read_info->stream.next_out += uDoCopy;
-			pfile_in_zip_read_info->stream.next_in += uDoCopy;
-            pfile_in_zip_read_info->stream.total_out += uDoCopy;
-			iRead += uDoCopy;
-		}
-		else
-		{
-			uLong uTotalOutBefore,uTotalOutAfter;
-			const Byte *bufBefore;
-			uLong uOutThis;
-			int flush=Z_SYNC_FLUSH;
-
-			uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
-			bufBefore = pfile_in_zip_read_info->stream.next_out;
-
-			/*
-			if ((pfile_in_zip_read_info->rest_read_uncompressed ==
-			         pfile_in_zip_read_info->stream.avail_out) &&
-				(pfile_in_zip_read_info->rest_read_compressed == 0))
-				flush = Z_FINISH;
-			*/
-			err=inflate(&pfile_in_zip_read_info->stream,flush);
-
-			uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
-			uOutThis = uTotalOutAfter-uTotalOutBefore;
-			
-//			pfile_in_zip_read_info->crc32 = 
-//                crc32(pfile_in_zip_read_info->crc32,bufBefore,
-//                        (uInt)(uOutThis));
-
-			pfile_in_zip_read_info->rest_read_uncompressed -=
-                uOutThis;
+    unz_s* s;
+    int err;
 
-			iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
-            
-			if (err==Z_STREAM_END)
-				return (iRead==0) ? UNZ_EOF : iRead;
-			if (err!=Z_OK) 
-				break;
-		}
-	}
-
-	if (err==Z_OK)
-		return iRead;
-	return err;
+    if (file==NULL || file_pos==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+
+    /* jump to the right spot */
+    s->pos_in_central_dir = file_pos->pos_in_zip_directory;
+    s->num_file           = file_pos->num_of_file;
+
+    /* set the current file */
+    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
+                                               &s->cur_file_info_internal,
+                                               NULL,0,NULL,0,NULL,0);
+    /* return results */
+    s->current_file_ok = (err == UNZ_OK);
+    return err;
 }
 
-
 /*
-  Give the current position in uncompressed data
+// Unzip Helper Functions - should be here?
+///////////////////////////////////////////
 */
-extern long unztell (unzFile file)
-{
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-    pfile_in_zip_read_info=s->pfile_in_zip_read;
-
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_PARAMERROR;
-
-	return (long)pfile_in_zip_read_info->stream.total_out;
-}
-
 
 /*
-  return 1 if the end of file was reached, 0 elsewhere 
+  Read the local header of the current zipfile
+  Check the coherency of the local header and info in the end of central
+        directory about this file
+  store in *piSizeVar the size of extra info in local header
+        (filename and size of extra field data)
 */
-extern int unzeof (unzFile file)
-{
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_PARAMERROR;
-	
-	if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
-		return 1;
-	else
-		return 0;
-}
+local int unzlocal_CheckCurrentFileCoherencyHeader OF((
+    unz_s* s,
+    uInt* piSizeVar,
+    uLong *poffset_local_extrafield,
+    uInt  *psize_local_extrafield));
 
 
-
-/*
-  Read extra field from the current file (opened by unzOpenCurrentFile)
-  This is the static-header version of the extra field (sometimes, there is
-    more info in the static-header version than in the central-header)
-
-  if buf==NULL, it return the size of the static extra field that can be read
-
-  if buf!=NULL, len is the size of the buffer, the extra header is copied in
-	buf.
-  the return value is the number of bytes copied in buf, or (if <0) 
-	the error code
-*/
-extern int unzGetLocalExtrafield (unzFile file,void *buf,unsigned len)
+local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
+                                                    poffset_local_extrafield,
+                                                    psize_local_extrafield)
+    unz_s* s;
+    uInt* piSizeVar;
+    uLong *poffset_local_extrafield;
+    uInt  *psize_local_extrafield;
 {
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	uInt read_now;
-	uLong size_to_read;
-
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-    pfile_in_zip_read_info=s->pfile_in_zip_read;
-
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_PARAMERROR;
+    uLong uMagic,uData,uFlags;
+    uLong size_filename;
+    uLong size_extra_field;
+    int err=UNZ_OK;
 
-	size_to_read = (pfile_in_zip_read_info->size_local_extrafield - 
-				pfile_in_zip_read_info->pos_local_extrafield);
+    *piSizeVar = 0;
+    *poffset_local_extrafield = 0;
+    *psize_local_extrafield = 0;
 
-	if (buf==NULL)
-		return (int)size_to_read;
-	
-	if (len>size_to_read)
-		read_now = (uInt)size_to_read;
-	else
-		read_now = (uInt)len ;
+    if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile +
+                                s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
-	if (read_now==0)
-		return 0;
-	
-	if (fseek(pfile_in_zip_read_info->file,
-              pfile_in_zip_read_info->offset_local_extrafield + 
-			  pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET)!=0)
-		return UNZ_ERRNO;
 
-	if (fread(buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file)!=1)
-		return UNZ_ERRNO;
-
-	return (int)read_now;
-}
+    if (err==UNZ_OK)
+    {
+        if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
+            err=UNZ_ERRNO;
+        else if (uMagic!=0x04034b50)
+            err=UNZ_BADZIPFILE;
+    }
 
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
+        err=UNZ_ERRNO;
 /*
-  Close the file in zip opened with unzipOpenCurrentFile
-  Return UNZ_CRCERROR if all the file was read but the CRC is not good
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
+        err=UNZ_BADZIPFILE;
 */
-extern int unzCloseCurrentFile (unzFile file)
-{
-	int err=UNZ_OK;
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK)
+        err=UNZ_ERRNO;
 
-	unz_s* s;
-	file_in_zip_read_info_s* pfile_in_zip_read_info;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
-    pfile_in_zip_read_info=s->pfile_in_zip_read;
-
-	if (pfile_in_zip_read_info==NULL)
-		return UNZ_PARAMERROR;
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
+        err=UNZ_BADZIPFILE;
 
-/*
-	if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
-	{
-		if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
-			err=UNZ_CRCERROR;
-	}
-*/
+    if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
+                         (s->cur_file_info.compression_method!=Z_DEFLATED))
+        err=UNZ_BADZIPFILE;
 
-	TRYFREE(pfile_in_zip_read_info->read_buffer);
-	pfile_in_zip_read_info->read_buffer = NULL;
-	if (pfile_in_zip_read_info->stream_initialised)
-		inflateEnd(&pfile_in_zip_read_info->stream);
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */
+        err=UNZ_ERRNO;
 
-	pfile_in_zip_read_info->stream_initialised = 0;
-	TRYFREE(pfile_in_zip_read_info);
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
-    s->pfile_in_zip_read=NULL;
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
-	return err;
-}
+    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
 
-/*
-  Get the global comment string of the ZipFile, in the szComment buffer.
-  uSizeBuf is the size of the szComment buffer.
-  return the number of byte copied or an error code <0
-*/
-extern int unzGetGlobalComment (unzFile file, char *szComment, uLong uSizeBuf)
-{
-	unz_s* s;
-	uLong uReadThis ;
-	if (file==NULL)
-		return UNZ_PARAMERROR;
-	s=(unz_s*)file;
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK)
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
+        err=UNZ_BADZIPFILE;
 
-	uReadThis = uSizeBuf;
-	if (uReadThis>s->gi.size_comment)
-		uReadThis = s->gi.size_comment;
+    *piSizeVar += (uInt)size_filename;
 
-	if (fseek(s->file,s->central_pos+22,SEEK_SET)!=0)
-		return UNZ_ERRNO;
+    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK)
+        err=UNZ_ERRNO;
+    *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
+                                    SIZEZIPLOCALHEADER + size_filename;
+    *psize_local_extrafield = (uInt)size_extra_field;
 
-	if (uReadThis>0)
-    {
-      *szComment='\0';
-	  if (fread(szComment,(uInt)uReadThis,1,s->file)!=1)
-		return UNZ_ERRNO;
-    }
+    *piSizeVar += (uInt)size_extra_field;
 
-	if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
-		*(szComment+s->gi.size_comment)='\0';
-	return (int)uReadThis;
+    return err;
 }
 
-/* infblock.h -- header to use infblock.c
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
-
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
-
-struct inflate_blocks_state;
-typedef struct inflate_blocks_state inflate_blocks_statef;
-
-static inflate_blocks_statef * inflate_blocks_new OF((
-    z_streamp z,
-    check_func c,               /* check function */
-    uInt w));                   /* window size */
-
-static int inflate_blocks OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    int));                      /* initial return code */
+/*
+  Open for reading data the current file in the zipfile.
+  If there is no error and the file is opened, the return value is UNZ_OK.
+*/
+extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
+    unzFile file;
+    int* method;
+    int* level;
+    int raw;
+    const char* password;
+{
+    int err=UNZ_OK;
+    uInt iSizeVar;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    uLong offset_local_extrafield;  /* offset of the local extra field */
+    uInt  size_local_extrafield;    /* size of the local extra field */
+#    ifndef NOUNCRYPT
+    char source[12];
+#    else
+    if (password != NULL)
+        return UNZ_PARAMERROR;
+#    endif
 
-static void inflate_blocks_reset OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    uLong *));                  /* check value on output */
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_PARAMERROR;
 
-static int inflate_blocks_free OF((
-    inflate_blocks_statef *,
-    z_streamp));
+    if (s->pfile_in_zip_read != NULL)
+        unzCloseCurrentFile(file);
 
-#if 0
-static void inflate_set_dictionary OF((
-    inflate_blocks_statef *s,
-    const Byte *d,  /* dictionary */
-    uInt  n));       /* dictionary length */
+    if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
+                &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
+        return UNZ_BADZIPFILE;
 
-static int inflate_blocks_sync_point OF((
-    inflate_blocks_statef *s));
-#endif
+    pfile_in_zip_read_info = (file_in_zip_read_info_s*)
+                                        ALLOC(sizeof(file_in_zip_read_info_s));
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_INTERNALERROR;
 
-/* simplify the use of the inflate_huft type with some defines */
-#define exop word.what.Exop
-#define bits word.what.Bits
+    pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);
+    pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
+    pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
+    pfile_in_zip_read_info->pos_local_extrafield=0;
+    pfile_in_zip_read_info->raw=raw;
 
-/* Table for deflate from PKZIP's appnote.txt. */
-static const uInt border[] = { /* Order of the bit length code lengths */
-        16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
+    if (pfile_in_zip_read_info->read_buffer==NULL)
+    {
+        TRYFREE(pfile_in_zip_read_info);
+        return UNZ_INTERNALERROR;
+    }
 
-/* inftrees.h -- header to use inftrees.c
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    pfile_in_zip_read_info->stream_initialised=0;
 
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
+    if (method!=NULL)
+        *method = (int)s->cur_file_info.compression_method;
 
-/* Huffman code lookup table entry--this entry is four bytes for machines
-   that have 16-bit pointers (e.g. PC's in the small or medium model). */
-
-typedef struct inflate_huft_s inflate_huft;
-
-struct inflate_huft_s {
-  union {
-    struct {
-      Byte Exop;        /* number of extra bits or operation */
-      Byte Bits;        /* number of bits in this code or subcode */
-    } what;
-    uInt pad;           /* pad structure to a power of 2 (4 bytes for */
-  } word;               /*  16-bit, 8 bytes for 32-bit int's) */
-  uInt base;            /* literal, length base, distance base,
-                           or table offset */
-};
-
-/* Maximum size of dynamic tree.  The maximum found in a long but non-
-   exhaustive search was 1004 huft structures (850 for length/literals
-   and 154 for distances, the latter actually the result of an
-   exhaustive search).  The actual maximum is not known, but the
-   value below is more than safe. */
-#define MANY 1440
-
-static  int inflate_trees_bits OF((
-    uInt *,                    /* 19 code lengths */
-    uInt *,                    /* bits tree desired/actual depth */
-    inflate_huft * *,       /* bits tree result */
-    inflate_huft *,             /* space for trees */
-    z_streamp));                /* for messages */
-
-static  int inflate_trees_dynamic OF((
-    uInt,                       /* number of literal/length codes */
-    uInt,                       /* number of distance codes */
-    uInt *,                    /* that many (total) code lengths */
-    uInt *,                    /* literal desired/actual bit depth */
-    uInt *,                    /* distance desired/actual bit depth */
-    inflate_huft * *,       /* literal/length tree result */
-    inflate_huft * *,       /* distance tree result */
-    inflate_huft *,             /* space for trees */
-    z_streamp));                /* for messages */
-
-static  int inflate_trees_fixed OF((
-    uInt *,                    /* literal desired/actual bit depth */
-    uInt *,                    /* distance desired/actual bit depth */
-    inflate_huft * *,       /* literal/length tree result */
-    inflate_huft * *,       /* distance tree result */
-    z_streamp));                /* for memory allocation */
-
-
-/* infcodes.h -- header to use infcodes.c
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    if (level!=NULL)
+    {
+        *level = 6;
+        switch (s->cur_file_info.flag & 0x06)
+        {
+          case 6 : *level = 1; break;
+          case 4 : *level = 2; break;
+          case 2 : *level = 9; break;
+        }
+    }
 
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
+    if ((s->cur_file_info.compression_method!=0) &&
+        (s->cur_file_info.compression_method!=Z_DEFLATED))
+        err=UNZ_BADZIPFILE;
 
-struct inflate_codes_state;
-typedef struct inflate_codes_state inflate_codes_statef;
+    pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
+    pfile_in_zip_read_info->crc32=0;
+    pfile_in_zip_read_info->compression_method =
+            s->cur_file_info.compression_method;
+    pfile_in_zip_read_info->filestream=s->filestream;
+    pfile_in_zip_read_info->z_filefunc=s->z_filefunc;
+    pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
 
-static inflate_codes_statef *inflate_codes_new OF((
-    uInt, uInt,
-    inflate_huft *, inflate_huft *,
-    z_streamp ));
+    pfile_in_zip_read_info->stream.total_out = 0;
 
-static  int inflate_codes OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    int));
+    if ((s->cur_file_info.compression_method==Z_DEFLATED) &&
+        (!raw))
+    {
+      pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
+      pfile_in_zip_read_info->stream.zfree = (free_func)0;
+      pfile_in_zip_read_info->stream.opaque = (voidpf)0;
+      pfile_in_zip_read_info->stream.next_in = (voidpf)0;
+      pfile_in_zip_read_info->stream.avail_in = 0;
+
+      err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
+      if (err == Z_OK)
+        pfile_in_zip_read_info->stream_initialised=1;
+      else
+      {
+        TRYFREE(pfile_in_zip_read_info);
+        return err;
+      }
+        /* windowBits is passed < 0 to tell that there is no zlib header.
+         * Note that in this case inflate *requires* an extra "dummy" byte
+         * after the compressed stream in order to complete decompression and
+         * return Z_STREAM_END.
+         * In unzip, i don't wait absolutely Z_STREAM_END because I known the
+         * size of both compressed and uncompressed data
+         */
+    }
+    pfile_in_zip_read_info->rest_read_compressed =
+            s->cur_file_info.compressed_size ;
+    pfile_in_zip_read_info->rest_read_uncompressed =
+            s->cur_file_info.uncompressed_size ;
 
-static  void inflate_codes_free OF((
-    inflate_codes_statef *,
-    z_streamp ));
 
-/* infutil.h -- types and macros common to blocks and codes
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    pfile_in_zip_read_info->pos_in_zipfile =
+            s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
+              iSizeVar;
 
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
+    pfile_in_zip_read_info->stream.avail_in = (uInt)0;
 
-#ifndef _INFUTIL_H
-#define _INFUTIL_H
-
-typedef enum {
-      TYPE,     /* get type bits (3, including end bit) */
-      LENS,     /* get lengths for stored */
-      STORED,   /* processing stored block */
-      TABLE,    /* get table lengths */
-      BTREE,    /* get bit lengths tree for a dynamic block */
-      DTREE,    /* get length, distance trees for a dynamic block */
-      CODES,    /* processing fixed or dynamic block */
-      DRY,      /* output remaining window bytes */
-      DONE,     /* finished last block, done */
-      BAD}      /* got a data error--stuck here */
-inflate_block_mode;
-
-/* inflate blocks semi-private state */
-struct inflate_blocks_state {
-
-  /* mode */
-  inflate_block_mode  mode;     /* current inflate_block mode */
-
-  /* mode dependent information */
-  union {
-    uInt left;          /* if STORED, bytes left to copy */
-    struct {
-      uInt table;               /* table lengths (14 bits) */
-      uInt index;               /* index into blens (or border) */
-      uInt *blens;             /* bit lengths of codes */
-      uInt bb;                  /* bit length tree depth */
-      inflate_huft *tb;         /* bit length decoding tree */
-    } trees;            /* if DTREE, decoding info for trees */
-    struct {
-      inflate_codes_statef 
-         *codes;
-    } decode;           /* if CODES, current state */
-  } sub;                /* submode */
-  uInt last;            /* true if this block is the last block */
-
-  /* mode independent information */
-  uInt bitk;            /* bits in bit buffer */
-  uLong bitb;           /* bit buffer */
-  inflate_huft *hufts;  /* single malloc for tree space */
-  Byte *window;        /* sliding window */
-  Byte *end;           /* one byte after sliding window */
-  Byte *read;          /* window read pointer */
-  Byte *write;         /* window write pointer */
-  check_func checkfn;   /* check function */
-  uLong check;          /* check on output */
-
-};
-
-
-/* defines for inflate input/output */
-/*   update pointers and return */
-#define UPDBITS {s->bitb=b;s->bitk=k;}
-#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
-#define UPDOUT {s->write=q;}
-#define UPDATE {UPDBITS UPDIN UPDOUT}
-#define LEAVE {UPDATE return inflate_flush(s,z,r);}
-/*   get bytes and bits */
-#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
-#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
-#define NEXTBYTE (n--,*p++)
-#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
-#define DUMPBITS(j) {b>>=(j);k-=(j);}
-/*   output bytes */
-#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
-#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
-#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
-#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
-#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
-#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
-/*   load static pointers */
-#define LOAD {LOADIN LOADOUT}
-
-/* masks for lower bits (size given to avoid silly warnings with Visual C++) */
-static  uInt inflate_mask[17];
-
-/* copy as much as possible from the sliding window to the output area */
-static  int inflate_flush OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    int));
+    s->pfile_in_zip_read = pfile_in_zip_read_info;
 
-#endif
-
-								
-/*
-   Notes beyond the 1.93a appnote.txt:
-
-   1. Distance pointers never point before the beginning of the output
-      stream.
-   2. Distance pointers can point back across blocks, up to 32k away.
-   3. There is an implied maximum of 7 bits for the bit length table and
-      15 bits for the actual data.
-   4. If only one code exists, then it is encoded using one bit.  (Zero
-      would be more efficient, but perhaps a little confusing.)  If two
-      codes exist, they are coded using one bit each (0 and 1).
-   5. There is no way of sending zero distance codes--a dummy must be
-      sent if there are none.  (History: a pre 2.0 version of PKZIP would
-      store blocks with no distance codes, but this was discovered to be
-      too harsh a criterion.)  Valid only for 1.93a.  2.04c does allow
-      zero distance codes, which is sent as one code of zero bits in
-      length.
-   6. There are up to 286 literal/length codes.  Code 256 represents the
-      end-of-block.  Note however that the static length tree defines
-      288 codes just to fill out the Huffman codes.  Codes 286 and 287
-      cannot be used though, since there is no length base or extra bits
-      defined for them.  Similarily, there are up to 30 distance codes.
-      However, static trees define 32 codes (all 5 bits) to fill out the
-      Huffman codes, but the last two had better not show up in the data.
-   7. Unzip can check dynamic Huffman blocks for complete code sets.
-      The exception is that a single code would not be complete (see #4).
-   8. The five bits following the block type is really the number of
-      literal codes sent minus 257.
-   9. Length codes 8,16,16 are interpreted as 13 length codes of 8 bits
-      (1+6+6).  Therefore, to output three times the length, you output
-      three codes (1+1+1), whereas to output four times the same length,
-      you only need two codes (1+3).  Hmm.
-  10. In the tree reconstruction algorithm, Code = Code + Increment
-      only if BitLength(i) is not zero.  (Pretty obvious.)
-  11. Correction: 4 Bits: # of Bit Length codes - 4     (4 - 19)
-  12. Note: length code 284 can represent 227-258, but length code 285
-      really is 258.  The last length deserves its own, short code
-      since it gets used a lot in very redundant files.  The length
-      258 is special since 258 - 3 (the min match length) is 255.
-  13. The literal/length and distance code bit lengths are read as a
-      single stream of lengths.  It is possible (and advantageous) for
-      a repeat code (16, 17, or 18) to go across the boundary between
-      the two sets of lengths.
- */
+#    ifndef NOUNCRYPT
+    if (password != NULL)
+    {
+        int i;
+        s->pcrc_32_tab = get_crc_table();
+        init_keys(password,s->keys,s->pcrc_32_tab);
+        if (ZSEEK(s->z_filefunc, s->filestream,
+                  s->pfile_in_zip_read->pos_in_zipfile +
+                     s->pfile_in_zip_read->byte_before_the_zipfile,
+                  SEEK_SET)!=0)
+            return UNZ_INTERNALERROR;
+        if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12)
+            return UNZ_INTERNALERROR;
+
+        for (i = 0; i<12; i++)
+            zdecode(s->keys,s->pcrc_32_tab,source[i]);
+
+        s->pfile_in_zip_read->pos_in_zipfile+=12;
+        s->encrypted=1;
+    }
+#    endif
 
 
-void inflate_blocks_reset(inflate_blocks_statef *s, z_streamp z, uLong *c)
-{
-  if (c != Z_NULL)
-    *c = s->check;
-  if (s->mode == BTREE || s->mode == DTREE)
-    ZFREE(z, s->sub.trees.blens);
-  if (s->mode == CODES)
-    inflate_codes_free(s->sub.decode.codes, z);
-  s->mode = TYPE;
-  s->bitk = 0;
-  s->bitb = 0;
-  s->read = s->write = s->window;
-  if (s->checkfn != Z_NULL)
-    z->adler = s->check = (*s->checkfn)(0L, (const Byte *)Z_NULL, 0);
-  Tracev(("inflate:   blocks reset\n"));
+    return UNZ_OK;
 }
 
-
-inflate_blocks_statef *inflate_blocks_new(z_streamp z, check_func c, uInt w)
+extern int ZEXPORT unzOpenCurrentFile (file)
+    unzFile file;
 {
-  inflate_blocks_statef *s;
-
-  if ((s = (inflate_blocks_statef *)ZALLOC
-       (z,1,sizeof(struct inflate_blocks_state))) == Z_NULL)
-    return s;
-  if ((s->hufts =
-       (inflate_huft *)ZALLOC(z, sizeof(inflate_huft), MANY)) == Z_NULL)
-  {
-    ZFREE(z, s);
-    return Z_NULL;
-  }
-  if ((s->window = (Byte *)ZALLOC(z, 1, w)) == Z_NULL)
-  {
-    ZFREE(z, s->hufts);
-    ZFREE(z, s);
-    return Z_NULL;
-  }
-  s->end = s->window + w;
-  s->checkfn = c;
-  s->mode = TYPE;
-  Tracev(("inflate:   blocks allocated\n"));
-  inflate_blocks_reset(s, z, Z_NULL);
-  return s;
+    return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL);
 }
 
-
-int inflate_blocks(inflate_blocks_statef *s, z_streamp z, int r)
+extern int ZEXPORT unzOpenCurrentFilePassword (file, password)
+    unzFile file;
+    const char* password;
 {
-  uInt t;               /* temporary storage */
-  uLong b;              /* bit buffer */
-  uInt k;               /* bits in bit buffer */
-  Byte *p;             /* input data pointer */
-  uInt n;               /* bytes available there */
-  Byte *q;             /* output window write pointer */
-  uInt m;               /* bytes to end of window or read pointer */
-
-  /* copy input/output information to locals (UPDATE macro restores) */
-  LOAD
-
-  /* process input based on current state */
-  while (1) switch (s->mode)
-  {
-    case TYPE:
-      NEEDBITS(3)
-      t = (uInt)b & 7;
-      s->last = t & 1;
-      switch (t >> 1)
-      {
-        case 0:                         /* stored */
-          Tracev(("inflate:     stored block%s\n",
-                 s->last ? " (last)" : ""));
-          DUMPBITS(3)
-          t = k & 7;                    /* go to byte boundary */
-          DUMPBITS(t)
-          s->mode = LENS;               /* get length of stored block */
-          break;
-        case 1:                         /* fixed */
-          Tracev(("inflate:     fixed codes block%s\n",
-                 s->last ? " (last)" : ""));
-          {
-            uInt bl, bd;
-            inflate_huft *tl, *td;
-            inflate_trees_fixed(&bl, &bd, &tl, &td, z);
-            s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z);
-            if (s->sub.decode.codes == Z_NULL)
-            {
-              r = Z_MEM_ERROR;
-              LEAVE
-            }
-          }
-          DUMPBITS(3)
-          s->mode = CODES;
-          break;
-        case 2:                         /* dynamic */
-          Tracev(("inflate:     dynamic codes block%s\n",
-                 s->last ? " (last)" : ""));
-          DUMPBITS(3)
-          s->mode = TABLE;
-          break;
-        case 3:                         /* illegal */
-          DUMPBITS(3)
-          s->mode = BAD;
-          z->msg = (char*)"invalid block type";
-          r = Z_DATA_ERROR;
-          LEAVE
-      }
-      break;
-    case LENS:
-      NEEDBITS(32)
-      if ((((~b) >> 16) & 0xffff) != (b & 0xffff))
-      {
-        s->mode = BAD;
-        z->msg = (char*)"invalid stored block lengths";
-        r = Z_DATA_ERROR;
-        LEAVE
-      }
-      s->sub.left = (uInt)b & 0xffff;
-      b = k = 0;                      /* dump bits */
-      Tracev(("inflate:       stored length %u\n", s->sub.left));
-      s->mode = s->sub.left ? STORED : (s->last ? DRY : TYPE);
-      break;
-    case STORED:
-      if (n == 0)
-        LEAVE
-      NEEDOUT
-      t = s->sub.left;
-      if (t > n) t = n;
-      if (t > m) t = m;
-      zmemcpy(q, p, t);
-      p += t;  n -= t;
-      q += t;  m -= t;
-      if ((s->sub.left -= t) != 0)
-        break;
-      Tracev(("inflate:       stored end, %lu total out\n",
-              z->total_out + (q >= s->read ? q - s->read :
-              (s->end - s->read) + (q - s->window))));
-      s->mode = s->last ? DRY : TYPE;
-      break;
-    case TABLE:
-      NEEDBITS(14)
-      s->sub.trees.table = t = (uInt)b & 0x3fff;
-#ifndef PKZIP_BUG_WORKAROUND
-      if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
-      {
-        s->mode = BAD;
-        z->msg = (char*)"too many length or distance symbols";
-        r = Z_DATA_ERROR;
-        LEAVE
-      }
-#endif
-      t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
-      if ((s->sub.trees.blens = (uInt*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL)
-      {
-        r = Z_MEM_ERROR;
-        LEAVE
-      }
-      DUMPBITS(14)
-      s->sub.trees.index = 0;
-      Tracev(("inflate:       table sizes ok\n"));
-      s->mode = BTREE;
-    case BTREE:
-      while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10))
-      {
-        NEEDBITS(3)
-        s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
-        DUMPBITS(3)
-      }
-      while (s->sub.trees.index < 19)
-        s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
-      s->sub.trees.bb = 7;
-      t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb,
-                             &s->sub.trees.tb, s->hufts, z);
-      if (t != Z_OK)
-      {
-        ZFREE(z, s->sub.trees.blens);
-        r = t;
-        if (r == Z_DATA_ERROR)
-          s->mode = BAD;
-        LEAVE
-      }
-      s->sub.trees.index = 0;
-      Tracev(("inflate:       bits tree ok\n"));
-      s->mode = DTREE;
-    case DTREE:
-      while (t = s->sub.trees.table,
-             s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))
-      {
-        inflate_huft *h;
-        uInt i, j, c;
-
-        t = s->sub.trees.bb;
-        NEEDBITS(t)
-        h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]);
-        t = h->bits;
-        c = h->base;
-        if (c < 16)
-        {
-          DUMPBITS(t)
-          s->sub.trees.blens[s->sub.trees.index++] = c;
-        }
-        else /* c == 16..18 */
-        {
-          i = c == 18 ? 7 : c - 14;
-          j = c == 18 ? 11 : 3;
-          NEEDBITS(t + i)
-          DUMPBITS(t)
-          j += (uInt)b & inflate_mask[i];
-          DUMPBITS(i)
-          i = s->sub.trees.index;
-          t = s->sub.trees.table;
-          if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) ||
-              (c == 16 && i < 1))
-          {
-            ZFREE(z, s->sub.trees.blens);
-            s->mode = BAD;
-            z->msg = (char*)"invalid bit length repeat";
-            r = Z_DATA_ERROR;
-            LEAVE
-          }
-          c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
-          do {
-            s->sub.trees.blens[i++] = c;
-          } while (--j);
-          s->sub.trees.index = i;
-        }
-      }
-      s->sub.trees.tb = Z_NULL;
-      {
-        uInt bl, bd;
-        inflate_huft *tl, *td;
-        inflate_codes_statef *c;
-
-        tl = NULL;
-        td = NULL;
-        bl = 9;         /* must be <= 9 for lookahead assumptions */
-        bd = 6;         /* must be <= 9 for lookahead assumptions */
-        t = s->sub.trees.table;
-        t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
-                                  s->sub.trees.blens, &bl, &bd, &tl, &td,
-                                  s->hufts, z);
-        ZFREE(z, s->sub.trees.blens);
-        if (t != Z_OK)
-        {
-          if (t == (uInt)Z_DATA_ERROR)
-            s->mode = BAD;
-          r = t;
-          LEAVE
-        }
-        Tracev(("inflate:       trees ok\n"));
-        if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
-        {
-          r = Z_MEM_ERROR;
-          LEAVE
-        }
-        s->sub.decode.codes = c;
-      }
-      s->mode = CODES;
-    case CODES:
-      UPDATE
-      if ((r = inflate_codes(s, z, r)) != Z_STREAM_END)
-        return inflate_flush(s, z, r);
-      r = Z_OK;
-      inflate_codes_free(s->sub.decode.codes, z);
-      LOAD
-      Tracev(("inflate:       codes end, %lu total out\n",
-              z->total_out + (q >= s->read ? q - s->read :
-              (s->end - s->read) + (q - s->window))));
-      if (!s->last)
-      {
-        s->mode = TYPE;
-        break;
-      }
-      s->mode = DRY;
-    case DRY:
-      FLUSH
-      if (s->read != s->write)
-        LEAVE
-      s->mode = DONE;
-    case DONE:
-      r = Z_STREAM_END;
-      LEAVE
-    case BAD:
-      r = Z_DATA_ERROR;
-      LEAVE
-    default:
-      r = Z_STREAM_ERROR;
-      LEAVE
-  }
+    return unzOpenCurrentFile3(file, NULL, NULL, 0, password);
 }
 
-
-int inflate_blocks_free(inflate_blocks_statef *s, z_streamp z)
+extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw)
+    unzFile file;
+    int* method;
+    int* level;
+    int raw;
 {
-  inflate_blocks_reset(s, z, Z_NULL);
-  ZFREE(z, s->window);
-  ZFREE(z, s->hufts);
-  ZFREE(z, s);
-  Tracev(("inflate:   blocks freed\n"));
-  return Z_OK;
+    return unzOpenCurrentFile3(file, method, level, raw, NULL);
 }
 
-#if 0
-void inflate_set_dictionary(inflate_blocks_statef *s, const Byte *d, uInt n)
-{
-  zmemcpy(s->window, d, n);
-  s->read = s->write = s->window + n;
-}
+/*
+  Read bytes from the current file.
+  buf contain buffer where data must be copied
+  len the size of buf.
 
-/* Returns true if inflate is currently at the end of a block generated
- * by Z_SYNC_FLUSH or Z_FULL_FLUSH. 
- * IN assertion: s != Z_NULL
- */
-int inflate_blocks_sync_point(inflate_blocks_statef *s)
+  return the number of byte copied if somes bytes are copied
+  return 0 if the end of file was reached
+  return <0 with error code if there is an error
+    (UNZ_ERRNO for IO error, or zLib error for uncompress error)
+*/
+extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
+    unzFile file;
+    voidp buf;
+    unsigned len;
 {
-  return s->mode == LENS;
-}
-#endif
+    int err=UNZ_OK;
+    uInt iRead = 0;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
-/* And'ing with mask[n] masks the lower n bits */
-static uInt inflate_mask[17] = {
-    0x0000,
-    0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
-    0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
-};
 
+    if ((pfile_in_zip_read_info->read_buffer == NULL))
+        return UNZ_END_OF_LIST_OF_FILE;
+    if (len==0)
+        return 0;
 
-/* copy as much as possible from the sliding window to the output area */
-int inflate_flush(inflate_blocks_statef *s, z_streamp z, int r)
-{
-  uInt n;
-  Byte *p;
-  Byte *q;
-
-  /* static copies of source and destination pointers */
-  p = z->next_out;
-  q = s->read;
-
-  /* compute number of bytes to copy as as end of window */
-  n = (uInt)((q <= s->write ? s->write : s->end) - q);
-  if (n > z->avail_out) n = z->avail_out;
-  if (n && r == Z_BUF_ERROR) r = Z_OK;
-
-  /* update counters */
-  z->avail_out -= n;
-  z->total_out += n;
-
-  /* update check information */
-  if (s->checkfn != Z_NULL)
-    z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
-  /* copy as as end of window */
-  zmemcpy(p, q, n);
-  p += n;
-  q += n;
-
-  /* see if more to copy at beginning of window */
-  if (q == s->end)
-  {
-    /* wrap pointers */
-    q = s->window;
-    if (s->write == s->end)
-      s->write = s->window;
-
-    /* compute bytes to copy */
-    n = (uInt)(s->write - q);
-    if (n > z->avail_out) n = z->avail_out;
-    if (n && r == Z_BUF_ERROR) r = Z_OK;
-
-    /* update counters */
-    z->avail_out -= n;
-    z->total_out += n;
-
-    /* update check information */
-    if (s->checkfn != Z_NULL)
-      z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
-    /* copy */
-    zmemcpy(p, q, n);
-    p += n;
-    q += n;
-  }
-
-  /* update pointers */
-  z->next_out = p;
-  s->read = q;
-
-  /* done */
-  return r;
-}
+    pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
 
-/* inftrees.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    pfile_in_zip_read_info->stream.avail_out = (uInt)len;
 
-/*
-  If you use the zlib library in a product, an acknowledgment is welcome
-  in the documentation of your product. If for some reason you cannot
-  include such an acknowledgment, I would appreciate that you keep this
-  copyright string in the executable of your product.
- */
+    if ((len>pfile_in_zip_read_info->rest_read_uncompressed) &&
+        (!(pfile_in_zip_read_info->raw)))
+        pfile_in_zip_read_info->stream.avail_out =
+            (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
 
-/* simplify the use of the inflate_huft type with some defines */
-#define exop word.what.Exop
-#define bits word.what.Bits
-
-
-static int huft_build OF((
-    uInt *,				/* code lengths in bits */
-    uInt,               /* number of codes */
-    uInt,               /* number of "simple" codes */
-    const uInt *,		/* list of base values for non-simple codes */
-    const uInt *,		/* list of extra bits for non-simple codes */
-    inflate_huft **,	/* result: starting table */
-    uInt *,				/* maximum lookup bits (returns actual) */
-    inflate_huft *,     /* space for trees */
-    uInt *,             /* hufts used in space */
-    uInt * ));			/* space for values */
-
-/* Tables for deflate from PKZIP's appnote.txt. */
-static const uInt cplens[31] = { /* Copy lengths for literal codes 257..285 */
-        3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
-        35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
-        /* see note #13 above about 258 */
-static const uInt cplext[31] = { /* Extra bits for literal codes 257..285 */
-        0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
-        3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112}; /* 112==invalid */
-static const uInt cpdist[30] = { /* Copy offsets for distance codes 0..29 */
-        1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
-        257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
-        8193, 12289, 16385, 24577};
-static const uInt cpdext[30] = { /* Extra bits for distance codes */
-        0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
-        7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
-        12, 12, 13, 13};
+    if ((len>pfile_in_zip_read_info->rest_read_compressed+
+           pfile_in_zip_read_info->stream.avail_in) &&
+         (pfile_in_zip_read_info->raw))
+        pfile_in_zip_read_info->stream.avail_out =
+            (uInt)pfile_in_zip_read_info->rest_read_compressed+
+            pfile_in_zip_read_info->stream.avail_in;
 
-/*
-   Huffman code decoding is performed using a multi-level table lookup.
-   The fastest way to decode is to simply build a lookup table whose
-   size is determined by the longest code.  However, the time it takes
-   to build this table can also be a factor if the data being decoded
-   is not very long.  The most common codes are necessarily the
-   shortest codes, so those codes dominate the decoding time, and hence
-   the speed.  The idea is you can have a shorter table that decodes the
-   shorter, more probable codes, and then point to subsidiary tables for
-   the longer codes.  The time it costs to decode the longer codes is
-   then traded against the time it takes to make longer tables.
-
-   This results of this trade are in the variables lbits and dbits
-   below.  lbits is the number of bits the first level table for literal/
-   length codes can decode in one step, and dbits is the same thing for
-   the distance codes.  Subsequent tables are also less than or equal to
-   those sizes.  These values may be adjusted either when all of the
-   codes are shorter than that, in which case the longest code length in
-   bits is used, or when the shortest code is *longer* than the requested
-   table size, in which case the length of the shortest code in bits is
-   used.
-
-   There are two different values for the two tables, since they code a
-   different number of possibilities each.  The literal/length table
-   codes 286 possible values, or in a flat code, a little over eight
-   bits.  The distance table codes 30 possible values, or a little less
-   than five bits, flat.  The optimum values for speed end up being
-   about one bit more than those, so lbits is 8+1 and dbits is 5+1.
-   The optimum values may differ though from machine to machine, and
-   possibly even between compilers.  Your mileage may vary.
- */
-
-
-/* If BMAX needs to be larger than 16, then h and x[] should be uLong. */
-#define BMAX 15         /* maximum bit length of any code */
-
-static int huft_build(uInt *b, uInt n, uInt s, const uInt *d, const uInt *e, inflate_huft ** t, uInt *m, inflate_huft *hp, uInt *hn, uInt *v)
-//uInt *b;               /* code lengths in bits (all assumed <= BMAX) */
-//uInt n;                 /* number of codes (assumed <= 288) */
-//uInt s;                 /* number of simple-valued codes (0..s-1) */
-//const uInt *d;         /* list of base values for non-simple codes */
-//const uInt *e;         /* list of extra bits for non-simple codes */
-//inflate_huft ** t;		/* result: starting table */
-//uInt *m;               /* maximum lookup bits, returns actual */
-//inflate_huft *hp;       /* space for trees */
-//uInt *hn;               /* hufts used in space */
-//uInt *v;               /* working area: values in order of bit length */
-/* Given a list of code lengths and a maximum table size, make a set of
-   tables to decode that set of codes.  Return Z_OK on success, Z_BUF_ERROR
-   if the given code set is incomplete (the tables are still built in this
-   case), Z_DATA_ERROR if the input is invalid (an over-subscribed set of
-   lengths), or Z_MEM_ERROR if not enough memory. */
-{
-
-  uInt a;                       /* counter for codes of length k */
-  uInt c[BMAX+1];               /* bit length count table */
-  uInt f;                       /* i repeats in table every f entries */
-  int g;                        /* maximum code length */
-  int h;                        /* table level */
-  register uInt i;              /* counter, current code */
-  register uInt j;              /* counter */
-  register int k;               /* number of bits in current code */
-  int l;                        /* bits per table (returned in m) */
-  uInt mask;                    /* (1 << w) - 1, to avoid cc -O bug on HP */
-  register uInt *p;            /* pointer into c[], b[], or v[] */
-  inflate_huft *q;              /* points to current table */
-  struct inflate_huft_s r = {{{0, 0}}};      /* table entry for structure assignment */
-  inflate_huft *u[BMAX];        /* table stack */
-  register int w;               /* bits before this table == (l * h) */
-  uInt x[BMAX+1];               /* bit offsets, then code stack */
-  uInt *xp;                    /* pointer into x */
-  int y;                        /* number of dummy codes added */
-  uInt z;                       /* number of entries in current table */
-
-
-  /* Generate counts for each bit length */
-  p = c;
-#define C0 *p++ = 0;
-#define C2 C0 C0 C0 C0
-#define C4 C2 C2 C2 C2
-  C4                            /* clear c[]--assume BMAX+1 is 16 */
-  p = b;  i = n;
-  do {
-    c[*p++]++;                  /* assume all entries <= BMAX */
-  } while (--i);
-  if (c[0] == n)                /* null input--all zero length codes */
-  {
-    *t = (inflate_huft *)Z_NULL;
-    *m = 0;
-    return Z_OK;
-  }
-
-
-  /* Find minimum and maximum length, bound *m by those */
-  l = *m;
-  for (j = 1; j <= BMAX; j++)
-    if (c[j])
-      break;
-  k = j;                        /* minimum code length */
-  if ((uInt)l < j)
-    l = j;
-  for (i = BMAX; i; i--)
-    if (c[i])
-      break;
-  g = i;                        /* maximum code length */
-  if ((uInt)l > i)
-    l = i;
-  *m = l;
-
-
-  /* Adjust last length count to fill out codes, if needed */
-  for (y = 1 << j; j < i; j++, y <<= 1)
-    if ((y -= c[j]) < 0)
-      return Z_DATA_ERROR;
-  if ((y -= c[i]) < 0)
-    return Z_DATA_ERROR;
-  c[i] += y;
-
-
-  /* Generate starting offsets into the value table for each length */
-  x[1] = j = 0;
-  p = c + 1;  xp = x + 2;
-  while (--i) {                 /* note that i == g from above */
-    *xp++ = (j += *p++);
-  }
-
-
-  /* Make a table of values in order of bit lengths */
-  p = b;  i = 0;
-  do {
-    if ((j = *p++) != 0)
-      v[x[j]++] = i;
-  } while (++i < n);
-  n = x[g];                     /* set n to length of v */
-
-
-  /* Generate the Huffman codes and for each, make the table entries */
-  x[0] = i = 0;                 /* first Huffman code is zero */
-  p = v;                        /* grab values in bit order */
-  h = -1;                       /* no tables yet--level -1 */
-  w = -l;                       /* bits decoded == (l * h) */
-  u[0] = (inflate_huft *)Z_NULL;        /* just to keep compilers happy */
-  q = (inflate_huft *)Z_NULL;   /* ditto */
-  z = 0;                        /* ditto */
-
-  /* go through the bit lengths (k already is bits in shortest code) */
-  for (; k <= g; k++)
-  {
-    a = c[k];
-    while (a--)
+    while (pfile_in_zip_read_info->stream.avail_out>0)
     {
-      /* here i is the Huffman code of length k bits for value *p */
-      /* make tables up to required level */
-      while (k > w + l)
-      {
-        h++;
-        w += l;                 /* previous table always l bits */
-
-        /* compute minimum size table less than or equal to l bits */
-        z = g - w;
-        z = z > (uInt)l ? l : z;        /* table size upper limit */
-        if ((f = 1 << (j = k - w)) > a + 1)     /* try a k-w bit table */
-        {                       /* too few codes for k-w bit table */
-          f -= a + 1;           /* deduct codes from patterns left */
-          xp = c + k;
-          if (j < z)
-            while (++j < z)     /* try smaller tables up to z bits */
+        if ((pfile_in_zip_read_info->stream.avail_in==0) &&
+            (pfile_in_zip_read_info->rest_read_compressed>0))
+        {
+            uInt uReadThis = UNZ_BUFSIZE;
+            if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
+                uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
+            if (uReadThis == 0)
+                return UNZ_EOF;
+            if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
+                      pfile_in_zip_read_info->filestream,
+                      pfile_in_zip_read_info->pos_in_zipfile +
+                         pfile_in_zip_read_info->byte_before_the_zipfile,
+                         ZLIB_FILEFUNC_SEEK_SET)!=0)
+                return UNZ_ERRNO;
+            if (ZREAD(pfile_in_zip_read_info->z_filefunc,
+                      pfile_in_zip_read_info->filestream,
+                      pfile_in_zip_read_info->read_buffer,
+                      uReadThis)!=uReadThis)
+                return UNZ_ERRNO;
+
+
+#            ifndef NOUNCRYPT
+            if(s->encrypted)
             {
-              if ((f <<= 1) <= *++xp)
-                break;          /* enough codes to use up j bits */
-              f -= *xp;         /* else deduct codes from patterns */
+                uInt i;
+                for(i=0;i<uReadThis;i++)
+                  pfile_in_zip_read_info->read_buffer[i] =
+                      zdecode(s->keys,s->pcrc_32_tab,
+                              pfile_in_zip_read_info->read_buffer[i]);
             }
-        }
-        z = 1 << j;             /* table entries for j-bit table */
+#            endif
+
+
+            pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
 
-        /* allocate new table */
-        if (*hn + z > MANY)     /* (note: doesn't matter for fixed) */
-          return Z_MEM_ERROR;   /* not enough memory */
-        u[h] = q = hp + *hn;
-        *hn += z;
+            pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
 
-        /* connect to last table, if there is one */
-        if (h)
+            pfile_in_zip_read_info->stream.next_in =
+                (Bytef*)pfile_in_zip_read_info->read_buffer;
+            pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
+        }
+
+        if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw))
         {
-          x[h] = i;             /* save pattern for backing up */
-          r.bits = (Byte)l;     /* bits to dump before this table */
-          r.exop = (Byte)j;     /* bits in this table */
-          j = i >> (w - l);
-          r.base = (uInt)(q - u[h-1] - j);   /* offset to this table */
-          u[h-1][j] = r;        /* connect to last table */
+            uInt uDoCopy,i ;
+
+            if ((pfile_in_zip_read_info->stream.avail_in == 0) &&
+                (pfile_in_zip_read_info->rest_read_compressed == 0))
+                return (iRead==0) ? UNZ_EOF : iRead;
+
+            if (pfile_in_zip_read_info->stream.avail_out <
+                            pfile_in_zip_read_info->stream.avail_in)
+                uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
+            else
+                uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
+
+            for (i=0;i<uDoCopy;i++)
+                *(pfile_in_zip_read_info->stream.next_out+i) =
+                        *(pfile_in_zip_read_info->stream.next_in+i);
+
+            pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
+                                pfile_in_zip_read_info->stream.next_out,
+                                uDoCopy);
+            pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
+            pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
+            pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
+            pfile_in_zip_read_info->stream.next_out += uDoCopy;
+            pfile_in_zip_read_info->stream.next_in += uDoCopy;
+            pfile_in_zip_read_info->stream.total_out += uDoCopy;
+            iRead += uDoCopy;
         }
         else
-          *t = q;               /* first table is returned result */
-      }
+        {
+            uLong uTotalOutBefore,uTotalOutAfter;
+            const Bytef *bufBefore;
+            uLong uOutThis;
+            int flush=Z_SYNC_FLUSH;
 
-      /* set up table entry in r */
-      r.bits = (Byte)(k - w);
-      if (p >= v + n)
-        r.exop = 128 + 64;      /* out of values--invalid code */
-      else if (*p < s)
-      {
-        r.exop = (Byte)(*p < 256 ? 0 : 32 + 64);     /* 256 is end-of-block */
-        r.base = *p++;          /* simple code is just the value */
-      }
-      else
-      {
-        r.exop = (Byte)(e[*p - s] + 16 + 64);/* non-simple--look up in lists */
-        r.base = d[*p++ - s];
-      }
+            uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
+            bufBefore = pfile_in_zip_read_info->stream.next_out;
 
-      /* fill code-like entries with r */
-      f = 1 << (k - w);
-      for (j = i >> w; j < z; j += f)
-        q[j] = r;
+            /*
+            if ((pfile_in_zip_read_info->rest_read_uncompressed ==
+                     pfile_in_zip_read_info->stream.avail_out) &&
+                (pfile_in_zip_read_info->rest_read_compressed == 0))
+                flush = Z_FINISH;
+            */
+            err=inflate(&pfile_in_zip_read_info->stream,flush);
 
-      /* backwards increment the k-bit code i */
-      for (j = 1 << (k - 1); i & j; j >>= 1)
-        i ^= j;
-      i ^= j;
+            if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL))
+              err = Z_DATA_ERROR;
 
-      /* backup over finished tables */
-      mask = (1 << w) - 1;      /* needed on HP, cc -O bug */
-      while ((i & mask) != x[h])
-      {
-        h--;                    /* don't need to update q */
-        w -= l;
-        mask = (1 << w) - 1;
-      }
-    }
-  }
+            uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
+            uOutThis = uTotalOutAfter-uTotalOutBefore;
 
+            pfile_in_zip_read_info->crc32 =
+                crc32(pfile_in_zip_read_info->crc32,bufBefore,
+                        (uInt)(uOutThis));
 
-  /* Return Z_BUF_ERROR if we were given an incomplete table */
-  return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
-}
+            pfile_in_zip_read_info->rest_read_uncompressed -=
+                uOutThis;
 
+            iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
 
-int inflate_trees_bits(uInt *c, uInt *bb, inflate_huft * *tb, inflate_huft *hp, z_streamp z)
-//uInt *c;               /* 19 code lengths */
-//uInt *bb;              /* bits tree desired/actual depth */
-//inflate_huft * *tb; /* bits tree result */
-//inflate_huft *hp;       /* space for trees */
-//z_streamp z;            /* for messages */
-{
-  int r;
-  uInt hn = 0;          /* hufts used in space */
-  uInt *v;             /* work area for huft_build */
-
-  if ((v = (uInt*)ZALLOC(z, 19, sizeof(uInt))) == Z_NULL)
-    return Z_MEM_ERROR;
-  r = huft_build(c, 19, 19, (uInt*)Z_NULL, (uInt*)Z_NULL,
-                 tb, bb, hp, &hn, v);
-  if (r == Z_DATA_ERROR)
-    z->msg = (char*)"oversubscribed dynamic bit lengths tree";
-  else if (r == Z_BUF_ERROR || *bb == 0)
-  {
-    z->msg = (char*)"incomplete dynamic bit lengths tree";
-    r = Z_DATA_ERROR;
-  }
-  ZFREE(z, v);
-  return r;
+            if (err==Z_STREAM_END)
+                return (iRead==0) ? UNZ_EOF : iRead;
+            if (err!=Z_OK)
+                break;
+        }
+    }
+
+    if (err==Z_OK)
+        return iRead;
+    return err;
 }
 
 
-int inflate_trees_dynamic(uInt nl, uInt nd, uInt *c, uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, inflate_huft *hp, z_streamp z)
-//uInt nl;                /* number of literal/length codes */
-//uInt nd;                /* number of distance codes */
-//uInt *c;               /* that many (total) code lengths */
-//uInt *bl;              /* literal desired/actual bit depth */
-//uInt *bd;              /* distance desired/actual bit depth */
-//inflate_huft * *tl; /* literal/length tree result */
-//inflate_huft * *td; /* distance tree result */
-//inflate_huft *hp;       /* space for trees */
-//z_streamp z;            /* for messages */
+/*
+  Give the current position in uncompressed data
+*/
+extern z_off_t ZEXPORT unztell (file)
+    unzFile file;
 {
-  int r;
-  uInt hn = 0;          /* hufts used in space */
-  uInt *v;             /* work area for huft_build */
-
-  /* allocate work area */
-  if ((v = (uInt*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
-    return Z_MEM_ERROR;
-
-  /* build literal/length tree */
-  r = huft_build(c, nl, 257, cplens, cplext, tl, bl, hp, &hn, v);
-  if (r != Z_OK || *bl == 0)
-  {
-    if (r == Z_DATA_ERROR)
-      z->msg = (char*)"oversubscribed literal/length tree";
-    else if (r != Z_MEM_ERROR)
-    {
-      z->msg = (char*)"incomplete literal/length tree";
-      r = Z_DATA_ERROR;
-    }
-    ZFREE(z, v);
-    return r;
-  }
-
-  /* build distance tree */
-  r = huft_build(c + nl, nd, 0, cpdist, cpdext, td, bd, hp, &hn, v);
-  if (r != Z_OK || (*bd == 0 && nl > 257))
-  {
-    if (r == Z_DATA_ERROR)
-      z->msg = (char*)"oversubscribed distance tree";
-    else if (r == Z_BUF_ERROR) {
-#ifdef PKZIP_BUG_WORKAROUND
-      r = Z_OK;
-    }
-#else
-      z->msg = (char*)"incomplete distance tree";
-      r = Z_DATA_ERROR;
-    }
-    else if (r != Z_MEM_ERROR)
-    {
-      z->msg = (char*)"empty distance tree with lengths";
-      r = Z_DATA_ERROR;
-    }
-    ZFREE(z, v);
-    return r;
-#endif
-  }
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-  /* done */
-  ZFREE(z, v);
-  return Z_OK;
-}
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
-/* inffixed.h -- table for decoding fixed codes
- * Generated automatically by the maketree.c program
- */
+    return (z_off_t)pfile_in_zip_read_info->stream.total_out;
+}
 
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
 
-static uInt fixed_bl = 9;
-static uInt fixed_bd = 5;
-static inflate_huft fixed_tl[] = {
-    {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
-    {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},192},
-    {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},160},
-    {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},224},
-    {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},144},
-    {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},208},
-    {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},176},
-    {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},240},
-    {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
-    {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},200},
-    {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},168},
-    {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},232},
-    {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},152},
-    {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},216},
-    {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},184},
-    {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},248},
-    {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
-    {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},196},
-    {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},164},
-    {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},228},
-    {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},148},
-    {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},212},
-    {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},180},
-    {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},244},
-    {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
-    {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},204},
-    {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},172},
-    {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},236},
-    {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},156},
-    {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},220},
-    {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},188},
-    {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},252},
-    {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
-    {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},194},
-    {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},162},
-    {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},226},
-    {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},146},
-    {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},210},
-    {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},178},
-    {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},242},
-    {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
-    {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},202},
-    {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},170},
-    {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},234},
-    {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},154},
-    {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},218},
-    {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},186},
-    {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},250},
-    {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
-    {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},198},
-    {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},166},
-    {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},230},
-    {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},150},
-    {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},214},
-    {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},182},
-    {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},246},
-    {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
-    {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},206},
-    {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},174},
-    {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},238},
-    {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},158},
-    {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},222},
-    {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},190},
-    {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},254},
-    {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
-    {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},193},
-    {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},161},
-    {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},225},
-    {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},145},
-    {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},209},
-    {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},177},
-    {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},241},
-    {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
-    {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},201},
-    {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},169},
-    {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},233},
-    {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},153},
-    {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},217},
-    {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},185},
-    {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},249},
-    {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
-    {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},197},
-    {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},165},
-    {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},229},
-    {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},149},
-    {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},213},
-    {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},181},
-    {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},245},
-    {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
-    {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},205},
-    {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},173},
-    {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},237},
-    {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},157},
-    {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},221},
-    {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},189},
-    {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},253},
-    {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
-    {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},195},
-    {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},163},
-    {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},227},
-    {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},147},
-    {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},211},
-    {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},179},
-    {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},243},
-    {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
-    {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},203},
-    {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},171},
-    {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},235},
-    {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},155},
-    {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},219},
-    {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},187},
-    {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},251},
-    {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
-    {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},199},
-    {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},167},
-    {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},231},
-    {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},151},
-    {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},215},
-    {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},183},
-    {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},247},
-    {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
-    {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},207},
-    {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},175},
-    {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},239},
-    {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},159},
-    {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},223},
-    {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},191},
-    {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},255}
-  };
-static inflate_huft fixed_td[] = {
-    {{{80,5}},1}, {{{87,5}},257}, {{{83,5}},17}, {{{91,5}},4097},
-    {{{81,5}},5}, {{{89,5}},1025}, {{{85,5}},65}, {{{93,5}},16385},
-    {{{80,5}},3}, {{{88,5}},513}, {{{84,5}},33}, {{{92,5}},8193},
-    {{{82,5}},9}, {{{90,5}},2049}, {{{86,5}},129}, {{{192,5}},24577},
-    {{{80,5}},2}, {{{87,5}},385}, {{{83,5}},25}, {{{91,5}},6145},
-    {{{81,5}},7}, {{{89,5}},1537}, {{{85,5}},97}, {{{93,5}},24577},
-    {{{80,5}},4}, {{{88,5}},769}, {{{84,5}},49}, {{{92,5}},12289},
-    {{{82,5}},13}, {{{90,5}},3073}, {{{86,5}},193}, {{{192,5}},24577}
-  };
-
-int inflate_trees_fixed(uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, z_streamp z)
-//uInt *bl;               /* literal desired/actual bit depth */
-//uInt *bd;               /* distance desired/actual bit depth */
-//inflate_huft * *tl;  /* literal/length tree result */
-//inflate_huft * *td;  /* distance tree result */
-//z_streamp z;             /* for memory allocation */
+/*
+  return 1 if the end of file was reached, 0 elsewhere
+*/
+extern int ZEXPORT unzeof (file)
+    unzFile file;
 {
-  *bl = fixed_bl;
-  *bd = fixed_bd;
-  *tl = fixed_tl;
-  *td = fixed_td;
-  return Z_OK;
-}
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-/* simplify the use of the inflate_huft type with some defines */
-#define exop word.what.Exop
-#define bits word.what.Bits
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
-/* macros for bit input with no checking and for returning unused bytes */
-#define GRABBITS(j) {while(k<(j)){b|=((uLong)NEXTBYTE)<<k;k+=8;}}
-#define UNGRAB {c=z->avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3;}
+    if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
+        return 1;
+    else
+        return 0;
+}
 
-/* Called with number of bytes left to write in window at least 258
-   (the maximum string length) and number of input bytes available
-   at least ten.  The ten bytes are six bytes for the longest length/
-   distance pair plus four bytes for overloading the bit buffer. */
 
-static int inflate_fast(uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, inflate_blocks_statef *s, z_streamp z)
-{
-  inflate_huft *t;      /* temporary pointer */
-  uInt e;               /* extra bits or operation */
-  uLong b;              /* bit buffer */
-  uInt k;               /* bits in bit buffer */
-  Byte *p;             /* input data pointer */
-  uInt n;               /* bytes available there */
-  Byte *q;             /* output window write pointer */
-  uInt m;               /* bytes to end of window or read pointer */
-  uInt ml;              /* mask for literal/length tree */
-  uInt md;              /* mask for distance tree */
-  uInt c;               /* bytes to copy */
-  uInt d;               /* distance back to copy from */
-  Byte *r;             /* copy source pointer */
-
-  /* load input, output, bit values */
-  LOAD
-
-  /* initialize masks */
-  ml = inflate_mask[bl];
-  md = inflate_mask[bd];
-
-  /* do until not enough input or output space for fast loop */
-  do {                          /* assume called with m >= 258 && n >= 10 */
-    /* get literal/length code */
-    GRABBITS(20)                /* max bits for literal/length code */
-    if ((e = (t = tl + ((uInt)b & ml))->exop) == 0)
-    {
-      DUMPBITS(t->bits)
-      Tracevv((t->base >= 0x20 && t->base < 0x7f ?
-                "inflate:         * literal '%c'\n" :
-                "inflate:         * literal 0x%02x\n", t->base));
-      *q++ = (Byte)t->base;
-      m--;
-      continue;
-    }
-    do {
-      DUMPBITS(t->bits)
-      if (e & 16)
-      {
-        /* get extra bits for length */
-        e &= 15;
-        c = t->base + ((uInt)b & inflate_mask[e]);
-        DUMPBITS(e)
-        Tracevv(("inflate:         * length %u\n", c));
-
-        /* decode distance base of block to copy */
-        GRABBITS(15);           /* max bits for distance code */
-        e = (t = td + ((uInt)b & md))->exop;
-        do {
-          DUMPBITS(t->bits)
-          if (e & 16)
-          {
-            /* get extra bits to add to distance base */
-            e &= 15;
-            GRABBITS(e)         /* get extra bits (up to 13) */
-            d = t->base + ((uInt)b & inflate_mask[e]);
-            DUMPBITS(e)
-            Tracevv(("inflate:         * distance %u\n", d));
-
-            /* do the copy */
-            m -= c;
-            if ((uInt)(q - s->window) >= d)     /* offset before dest */
-            {                                   /*  just copy */
-              r = q - d;
-              *q++ = *r++;  c--;        /* minimum count is three, */
-              *q++ = *r++;  c--;        /*  so unroll loop a little */
-            }
-            else                        /* else offset after destination */
-            {
-              e = d - (uInt)(q - s->window); /* bytes from offset to end */
-              r = s->end - e;           /* pointer to offset */
-              if (c > e)                /* if source crosses, */
-              {
-                c -= e;                 /* copy to end of window */
-                do {
-                  *q++ = *r++;
-                } while (--e);
-                r = s->window;          /* copy rest from start of window */
-              }
-            }
-            do {                        /* copy all or what's left */
-              *q++ = *r++;
-            } while (--c);
-            break;
-          }
-          else if ((e & 64) == 0)
-          {
-            t += t->base;
-            e = (t += ((uInt)b & inflate_mask[e]))->exop;
-          }
-          else
-          {
-            z->msg = (char*)"invalid distance code";
-            UNGRAB
-            UPDATE
-            return Z_DATA_ERROR;
-          }
-        } while (1);
-        break;
-      }
-      if ((e & 64) == 0)
-      {
-        t += t->base;
-        if ((e = (t += ((uInt)b & inflate_mask[e]))->exop) == 0)
-        {
-          DUMPBITS(t->bits)
-          Tracevv((t->base >= 0x20 && t->base < 0x7f ?
-                    "inflate:         * literal '%c'\n" :
-                    "inflate:         * literal 0x%02x\n", t->base));
-          *q++ = (Byte)t->base;
-          m--;
-          break;
-        }
-      }
-      else if (e & 32)
-      {
-        Tracevv(("inflate:         * end of block\n"));
-        UNGRAB
-        UPDATE
-        return Z_STREAM_END;
-      }
-      else
-      {
-        z->msg = (char*)"invalid literal/length code";
-        UNGRAB
-        UPDATE
-        return Z_DATA_ERROR;
-      }
-    } while (1);
-  } while (m >= 258 && n >= 10);
 
-  /* not enough input or output--restore pointers and return */
-  UNGRAB
-  UPDATE
-  return Z_OK;
-}
+/*
+  Read extra field from the current file (opened by unzOpenCurrentFile)
+  This is the local-header version of the extra field (sometimes, there is
+    more info in the local-header version than in the central-header)
 
-/* infcodes.c -- process literals and length/distance pairs
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+  if buf==NULL, it return the size of the local extra field that can be read
 
-/* simplify the use of the inflate_huft type with some defines */
-#define exop word.what.Exop
-#define bits word.what.Bits
-
-typedef enum {        /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
-      START,    /* x: set up for LEN */
-      LEN,      /* i: get length/literal/eob next */
-      LENEXT,   /* i: getting length extra (have base) */
-      DIST,     /* i: get distance next */
-      DISTEXT,  /* i: getting distance extra */
-      COPY,     /* o: copying bytes in window, waiting for space */
-      LIT,      /* o: got literal, waiting for output space */
-      WASH,     /* o: got eob, possibly still output waiting */
-      END,      /* x: got eob and all data flushed */
-      BADCODE}  /* x: got error */
-inflate_codes_mode;
-
-/* inflate codes private state */
-struct inflate_codes_state {
-
-  /* mode */
-  inflate_codes_mode mode;      /* current inflate_codes mode */
-
-  /* mode dependent information */
-  uInt len;
-  union {
-    struct {
-      inflate_huft *tree;       /* pointer into tree */
-      uInt need;                /* bits needed */
-    } code;             /* if LEN or DIST, where in tree */
-    uInt lit;           /* if LIT, literal */
-    struct {
-      uInt get;                 /* bits to get for extra */
-      uInt dist;                /* distance back to copy from */
-    } copy;             /* if EXT or COPY, where and how much */
-  } sub;                /* submode */
-
-  /* mode independent information */
-  Byte lbits;           /* ltree bits decoded per branch */
-  Byte dbits;           /* dtree bits decoder per branch */
-  inflate_huft *ltree;          /* literal/length/eob tree */
-  inflate_huft *dtree;          /* distance tree */
-
-};
-
-
-inflate_codes_statef *inflate_codes_new(uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, z_streamp z)
+  if buf!=NULL, len is the size of the buffer, the extra header is copied in
+    buf.
+  the return value is the number of bytes copied in buf, or (if <0)
+    the error code
+*/
+extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
+    unzFile file;
+    voidp buf;
+    unsigned len;
 {
-  inflate_codes_statef *c;
-
-  if ((c = (inflate_codes_statef *)
-       ZALLOC(z,1,sizeof(struct inflate_codes_state))) != Z_NULL)
-  {
-    c->mode = START;
-    c->lbits = (Byte)bl;
-    c->dbits = (Byte)bd;
-    c->ltree = tl;
-    c->dtree = td;
-    Tracev(("inflate:       codes new\n"));
-  }
-  return c;
-}
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    uInt read_now;
+    uLong size_to_read;
 
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-int inflate_codes(inflate_blocks_statef *s, z_streamp z, int r)
-{
-  uInt j;               /* temporary storage */
-  inflate_huft *t;      /* temporary pointer */
-  uInt e;               /* extra bits or operation */
-  uLong b;              /* bit buffer */
-  uInt k;               /* bits in bit buffer */
-  Byte *p;             /* input data pointer */
-  uInt n;               /* bytes available there */
-  Byte *q;             /* output window write pointer */
-  uInt m;               /* bytes to end of window or read pointer */
-  Byte *f;             /* pointer to copy strings from */
-  inflate_codes_statef *c = s->sub.decode.codes;  /* codes state */
-
-  /* copy input/output information to locals (UPDATE macro restores) */
-  LOAD
-
-  /* process input and output based on current state */
-  while (1) switch (c->mode)
-  {             /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
-    case START:         /* x: set up for LEN */
-#ifndef SLOW
-      if (m >= 258 && n >= 10)
-      {
-        UPDATE
-        r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z);
-        LOAD
-        if (r != Z_OK)
-        {
-          c->mode = r == Z_STREAM_END ? WASH : BADCODE;
-          break;
-        }
-      }
-#endif /* !SLOW */
-      c->sub.code.need = c->lbits;
-      c->sub.code.tree = c->ltree;
-      c->mode = LEN;
-    case LEN:           /* i: get length/literal/eob next */
-      j = c->sub.code.need;
-      NEEDBITS(j)
-      t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
-      DUMPBITS(t->bits)
-      e = (uInt)(t->exop);
-      if (e == 0)               /* literal */
-      {
-        c->sub.lit = t->base;
-        Tracevv((t->base >= 0x20 && t->base < 0x7f ?
-                 "inflate:         literal '%c'\n" :
-                 "inflate:         literal 0x%02x\n", t->base));
-        c->mode = LIT;
-        break;
-      }
-      if (e & 16)               /* length */
-      {
-        c->sub.copy.get = e & 15;
-        c->len = t->base;
-        c->mode = LENEXT;
-        break;
-      }
-      if ((e & 64) == 0)        /* next table */
-      {
-        c->sub.code.need = e;
-        c->sub.code.tree = t + t->base;
-        break;
-      }
-      if (e & 32)               /* end of block */
-      {
-        Tracevv(("inflate:         end of block\n"));
-        c->mode = WASH;
-        break;
-      }
-      c->mode = BADCODE;        /* invalid code */
-      z->msg = (char*)"invalid literal/length code";
-      r = Z_DATA_ERROR;
-      LEAVE
-    case LENEXT:        /* i: getting length extra (have base) */
-      j = c->sub.copy.get;
-      NEEDBITS(j)
-      c->len += (uInt)b & inflate_mask[j];
-      DUMPBITS(j)
-      c->sub.code.need = c->dbits;
-      c->sub.code.tree = c->dtree;
-      Tracevv(("inflate:         length %u\n", c->len));
-      c->mode = DIST;
-    case DIST:          /* i: get distance next */
-      j = c->sub.code.need;
-      NEEDBITS(j)
-      t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
-      DUMPBITS(t->bits)
-      e = (uInt)(t->exop);
-      if (e & 16)               /* distance */
-      {
-        c->sub.copy.get = e & 15;
-        c->sub.copy.dist = t->base;
-        c->mode = DISTEXT;
-        break;
-      }
-      if ((e & 64) == 0)        /* next table */
-      {
-        c->sub.code.need = e;
-        c->sub.code.tree = t + t->base;
-        break;
-      }
-      c->mode = BADCODE;        /* invalid code */
-      z->msg = (char*)"invalid distance code";
-      r = Z_DATA_ERROR;
-      LEAVE
-    case DISTEXT:       /* i: getting distance extra */
-      j = c->sub.copy.get;
-      NEEDBITS(j)
-      c->sub.copy.dist += (uInt)b & inflate_mask[j];
-      DUMPBITS(j)
-      Tracevv(("inflate:         distance %u\n", c->sub.copy.dist));
-      c->mode = COPY;
-    case COPY:          /* o: copying bytes in window, waiting for space */
-#ifndef __TURBOC__ /* Turbo C bug for following expression */
-      f = (uInt)(q - s->window) < c->sub.copy.dist ?
-          s->end - (c->sub.copy.dist - (q - s->window)) :
-          q - c->sub.copy.dist;
-#else
-      f = q - c->sub.copy.dist;
-      if ((uInt)(q - s->window) < c->sub.copy.dist)
-        f = s->end - (c->sub.copy.dist - (uInt)(q - s->window));
-#endif
-      while (c->len)
-      {
-        NEEDOUT
-        OUTBYTE(*f++)
-        if (f == s->end)
-          f = s->window;
-        c->len--;
-      }
-      c->mode = START;
-      break;
-    case LIT:           /* o: got literal, waiting for output space */
-      NEEDOUT
-      OUTBYTE(c->sub.lit)
-      c->mode = START;
-      break;
-    case WASH:          /* o: got eob, possibly more output */
-      if (k > 7)        /* return unused byte, if any */
-      {
-        Assert(k < 16, "inflate_codes grabbed too many bytes")
-        k -= 8;
-        n++;
-        p--;            /* can always return one */
-      }
-      FLUSH
-      if (s->read != s->write)
-        LEAVE
-      c->mode = END;
-    case END:
-      r = Z_STREAM_END;
-      LEAVE
-    case BADCODE:       /* x: got error */
-      r = Z_DATA_ERROR;
-      LEAVE
-    default:
-      r = Z_STREAM_ERROR;
-      LEAVE
-  }
-#ifdef NEED_DUMMY_RETURN
-  return Z_STREAM_ERROR;  /* Some dumb compilers complain without this */
-#endif
-}
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
+    size_to_read = (pfile_in_zip_read_info->size_local_extrafield -
+                pfile_in_zip_read_info->pos_local_extrafield);
 
-void inflate_codes_free(inflate_codes_statef *c, z_streamp z)
-{
-  ZFREE(z, c);
-  Tracev(("inflate:       codes free\n"));
-}
+    if (buf==NULL)
+        return (int)size_to_read;
 
-/* adler32.c -- compute the Adler-32 checksum of a data stream
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    if (len>size_to_read)
+        read_now = (uInt)size_to_read;
+    else
+        read_now = (uInt)len ;
 
-#define BASE 65521L /* largest prime smaller than 65536 */
-#define NMAX 5552
-/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
+    if (read_now==0)
+        return 0;
 
-#undef DO1
-#undef DO2
-#undef DO4
-#undef DO8
+    if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
+              pfile_in_zip_read_info->filestream,
+              pfile_in_zip_read_info->offset_local_extrafield +
+              pfile_in_zip_read_info->pos_local_extrafield,
+              ZLIB_FILEFUNC_SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
-#define DO1(buf,i)  {s1 += buf[i]; s2 += s1;}
-#define DO2(buf,i)  DO1(buf,i); DO1(buf,i+1);
-#define DO4(buf,i)  DO2(buf,i); DO2(buf,i+2);
-#define DO8(buf,i)  DO4(buf,i); DO4(buf,i+4);
-#define DO16(buf)   DO8(buf,0); DO8(buf,8);
+    if (ZREAD(pfile_in_zip_read_info->z_filefunc,
+              pfile_in_zip_read_info->filestream,
+              buf,read_now)!=read_now)
+        return UNZ_ERRNO;
 
-/* ========================================================================= */
-static uLong adler32(uLong adler, const Byte *buf, uInt len)
-{
-    unsigned long s1 = adler & 0xffff;
-    unsigned long s2 = (adler >> 16) & 0xffff;
-    int k;
-
-    if (buf == Z_NULL) return 1L;
-
-    while (len > 0) {
-        k = len < NMAX ? len : NMAX;
-        len -= k;
-        while (k >= 16) {
-            DO16(buf);
-	    buf += 16;
-            k -= 16;
-        }
-        if (k != 0) do {
-            s1 += *buf++;
-	    s2 += s1;
-        } while (--k);
-        s1 %= BASE;
-        s2 %= BASE;
-    }
-    return (s2 << 16) | s1;
+    return (int)read_now;
 }
 
+/*
+  Close the file in zip opened with unzipOpenCurrentFile
+  Return UNZ_CRCERROR if all the file was read but the CRC is not good
+*/
+extern int ZEXPORT unzCloseCurrentFile (file)
+    unzFile file;
+{
+    int err=UNZ_OK;
 
-/* infblock.h -- header to use infblock.c
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-/* WARNING: this file should *not* be used by applications. It is
-   part of the implementation of the compression library and is
-   subject to change. Applications should only use zlib.h.
- */
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
-static inflate_blocks_statef * inflate_blocks_new OF((
-    z_streamp z,
-    check_func c,               /* check function */
-    uInt w));                   /* window size */
-
-static int inflate_blocks OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    int));                      /* initial return code */
-
-static void inflate_blocks_reset OF((
-    inflate_blocks_statef *,
-    z_streamp ,
-    uLong *));                  /* check value on output */
-
-static int inflate_blocks_free OF((
-    inflate_blocks_statef *,
-    z_streamp));
-
-#if 0
-static void inflate_set_dictionary OF((
-    inflate_blocks_statef *s,
-    const Byte *d,  /* dictionary */
-    uInt  n));       /* dictionary length */
-
-static int inflate_blocks_sync_point OF((
-    inflate_blocks_statef *s));
-#endif
 
-typedef enum {
-      imMETHOD,   /* waiting for method byte */
-      imFLAG,     /* waiting for flag byte */
-      imDICT4,    /* four dictionary check bytes to go */
-      imDICT3,    /* three dictionary check bytes to go */
-      imDICT2,    /* two dictionary check bytes to go */
-      imDICT1,    /* one dictionary check byte to go */
-      imDICT0,    /* waiting for inflateSetDictionary */
-      imBLOCKS,   /* decompressing blocks */
-      imCHECK4,   /* four check bytes to go */
-      imCHECK3,   /* three check bytes to go */
-      imCHECK2,   /* two check bytes to go */
-      imCHECK1,   /* one check byte to go */
-      imDONE,     /* finished check, done */
-      imBAD}      /* got an error--stay here */
-inflate_mode;
-
-/* inflate private state */
-struct internal_state {
-
-  /* mode */
-  inflate_mode  mode;   /* current inflate mode */
-
-  /* mode dependent information */
-  union {
-    uInt method;        /* if FLAGS, method byte */
-    struct {
-      uLong was;                /* computed check value */
-      uLong need;               /* stream check value */
-    } check;            /* if CHECK, check values to compare */
-    uInt marker;        /* if BAD, inflateSync's marker bytes count */
-  } sub;        /* submode */
-
-  /* mode independent information */
-  int  nowrap;          /* flag for no wrapper */
-  uInt wbits;           /* log2(window size)  (8..15, defaults to 15) */
-  inflate_blocks_statef 
-    *blocks;            /* current inflate_blocks state */
-
-};
-
-
-int inflateReset(z_streamp z)
-{
-  if (z == Z_NULL || z->state == Z_NULL)
-    return Z_STREAM_ERROR;
-  z->total_in = z->total_out = 0;
-  z->msg = Z_NULL;
-  z->state->mode = z->state->nowrap ? imBLOCKS : imMETHOD;
-  inflate_blocks_reset(z->state->blocks, z, Z_NULL);
-  Tracev(("inflate: reset\n"));
-  return Z_OK;
-}
+    if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) &&
+        (!pfile_in_zip_read_info->raw))
+    {
+        if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
+            err=UNZ_CRCERROR;
+    }
 
 
-int inflateEnd(z_streamp z)
-{
-  if (z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL)
-    return Z_STREAM_ERROR;
-  if (z->state->blocks != Z_NULL)
-    inflate_blocks_free(z->state->blocks, z);
-  ZFREE(z, z->state);
-  z->state = Z_NULL;
-  Tracev(("inflate: end\n"));
-  return Z_OK;
-}
+    TRYFREE(pfile_in_zip_read_info->read_buffer);
+    pfile_in_zip_read_info->read_buffer = NULL;
+    if (pfile_in_zip_read_info->stream_initialised)
+        inflateEnd(&pfile_in_zip_read_info->stream);
 
+    pfile_in_zip_read_info->stream_initialised = 0;
+    TRYFREE(pfile_in_zip_read_info);
 
+    s->pfile_in_zip_read=NULL;
 
-int inflateInit2_(z_streamp z, int w, const char *version, int stream_size)
-{
-  if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
-      stream_size != sizeof(z_stream))
-      return Z_VERSION_ERROR;
-
-  /* initialize state */
-  if (z == Z_NULL)
-    return Z_STREAM_ERROR;
-  z->msg = Z_NULL;
-  if (z->zalloc == Z_NULL)
-  {
-    z->zalloc = (void *(*)(void *, unsigned, unsigned))zcalloc;
-    z->opaque = (voidp)0;
-  }
-  if (z->zfree == Z_NULL) z->zfree = (void (*)(void *, void *))zcfree;
-  if ((z->state = (struct internal_state *)
-       ZALLOC(z,1,sizeof(struct internal_state))) == Z_NULL)
-    return Z_MEM_ERROR;
-  z->state->blocks = Z_NULL;
-
-  /* handle undocumented nowrap option (no zlib header or check) */
-  z->state->nowrap = 0;
-  if (w < 0)
-  {
-    w = - w;
-    z->state->nowrap = 1;
-  }
-
-  /* set window size */
-  if (w < 8 || w > 15)
-  {
-    inflateEnd(z);
-    return Z_STREAM_ERROR;
-  }
-  z->state->wbits = (uInt)w;
-
-  /* create inflate_blocks state */
-  if ((z->state->blocks =
-      inflate_blocks_new(z, z->state->nowrap ? ((check_func)0) : adler32, (uInt)1 << w))
-      == Z_NULL)
-  {
-    inflateEnd(z);
-    return Z_MEM_ERROR;
-  }
-  Tracev(("inflate: allocated\n"));
-
-  /* reset state */
-  inflateReset(z);
-  return Z_OK;
+    return err;
 }
 
-#if 0
-int inflateInit_(z_streamp z, const char *version, int stream_size)
+
+/*
+  Get the global comment string of the ZipFile, in the szComment buffer.
+  uSizeBuf is the size of the szComment buffer.
+  return the number of byte copied or an error code <0
+*/
+extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
+    unzFile file;
+    char *szComment;
+    uLong uSizeBuf;
 {
-  return inflateInit2_(z, DEF_WBITS, version, stream_size);
-}
-#endif
+    unz_s* s;
+    uLong uReadThis ;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
 
-#define iNEEDBYTE {if(z->avail_in==0)return r;r=f;}
-#define iNEXTBYTE (z->avail_in--,z->total_in++,*z->next_in++)
+    uReadThis = uSizeBuf;
+    if (uReadThis>s->gi.size_comment)
+        uReadThis = s->gi.size_comment;
 
-int inflate(z_streamp z, int f)
-{
-  int r;
-  uInt b;
-
-  if (z == Z_NULL || z->state == Z_NULL || z->next_in == Z_NULL)
-    return Z_STREAM_ERROR;
-  f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
-  r = Z_BUF_ERROR;
-  while (1) switch (z->state->mode)
-  {
-    case imMETHOD:
-      iNEEDBYTE
-      if (((z->state->sub.method = iNEXTBYTE) & 0xf) != Z_DEFLATED)
-      {
-        z->state->mode = imBAD;
-        z->msg = (char*)"unknown compression method";
-        z->state->sub.marker = 5;       /* can't try inflateSync */
-        break;
-      }
-      if ((z->state->sub.method >> 4) + 8 > z->state->wbits)
-      {
-        z->state->mode = imBAD;
-        z->msg = (char*)"invalid window size";
-        z->state->sub.marker = 5;       /* can't try inflateSync */
-        break;
-      }
-      z->state->mode = imFLAG;
-    case imFLAG:
-      iNEEDBYTE
-      b = iNEXTBYTE;
-      if (((z->state->sub.method << 8) + b) % 31)
-      {
-        z->state->mode = imBAD;
-        z->msg = (char*)"incorrect header check";
-        z->state->sub.marker = 5;       /* can't try inflateSync */
-        break;
-      }
-      Tracev(("inflate: zlib header ok\n"));
-      if (!(b & PRESET_DICT))
-      {
-        z->state->mode = imBLOCKS;
-        break;
-      }
-      z->state->mode = imDICT4;
-    case imDICT4:
-      iNEEDBYTE
-      z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
-      z->state->mode = imDICT3;
-    case imDICT3:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
-      z->state->mode = imDICT2;
-    case imDICT2:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
-      z->state->mode = imDICT1;
-    case imDICT1:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE;
-      z->adler = z->state->sub.check.need;
-      z->state->mode = imDICT0;
-      return Z_NEED_DICT;
-    case imDICT0:
-      z->state->mode = imBAD;
-      z->msg = (char*)"need dictionary";
-      z->state->sub.marker = 0;       /* can try inflateSync */
-      return Z_STREAM_ERROR;
-    case imBLOCKS:
-      r = inflate_blocks(z->state->blocks, z, r);
-      if (r == Z_DATA_ERROR)
-      {
-        z->state->mode = imBAD;
-        z->state->sub.marker = 0;       /* can try inflateSync */
-        break;
-      }
-      if (r == Z_OK)
-        r = f;
-      if (r != Z_STREAM_END)
-        return r;
-      r = f;
-      inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was);
-      if (z->state->nowrap)
-      {
-        z->state->mode = imDONE;
-        break;
-      }
-      z->state->mode = imCHECK4;
-    case imCHECK4:
-      iNEEDBYTE
-      z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
-      z->state->mode = imCHECK3;
-    case imCHECK3:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
-      z->state->mode = imCHECK2;
-    case imCHECK2:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
-      z->state->mode = imCHECK1;
-    case imCHECK1:
-      iNEEDBYTE
-      z->state->sub.check.need += (uLong)iNEXTBYTE;
-
-      if (z->state->sub.check.was != z->state->sub.check.need)
-      {
-        z->state->mode = imBAD;
-        z->msg = (char*)"incorrect data check";
-        z->state->sub.marker = 5;       /* can't try inflateSync */
-        break;
-      }
-      Tracev(("inflate: zlib check ok\n"));
-      z->state->mode = imDONE;
-    case imDONE:
-      return Z_STREAM_END;
-    case imBAD:
-      return Z_DATA_ERROR;
-    default:
-      return Z_STREAM_ERROR;
-  }
-#ifdef NEED_DUMMY_RETURN
-  return Z_STREAM_ERROR;  /* Some dumb compilers complain without this */
-#endif
-}
+    if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
-// defined but not used
-#if 0
-int inflateSetDictionary(z_streamp z, const Byte *dictionary, uInt dictLength)
-{
-  uInt length = dictLength;
-
-  if (z == Z_NULL || z->state == Z_NULL || z->state->mode != imDICT0)
-    return Z_STREAM_ERROR;
-
-  if (adler32(1L, dictionary, dictLength) != z->adler) return Z_DATA_ERROR;
-  z->adler = 1L;
-
-  if (length >= ((uInt)1<<z->state->wbits))
-  {
-    length = (1<<z->state->wbits)-1;
-    dictionary += dictLength - length;
-  }
-  inflate_set_dictionary(z->state->blocks, dictionary, length);
-  z->state->mode = imBLOCKS;
-  return Z_OK;
-}
+    if (uReadThis>0)
+    {
+      *szComment='\0';
+      if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis)
+        return UNZ_ERRNO;
+    }
 
-int inflateSync(z_streamp z)
-{
-  uInt n;       /* number of bytes to look at */
-  Byte *p;     /* pointer to bytes */
-  uInt m;       /* number of marker bytes found in a row */
-  uLong r, w;   /* temporaries to save total_in and total_out */
-
-  /* set up */
-  if (z == Z_NULL || z->state == Z_NULL)
-    return Z_STREAM_ERROR;
-  if (z->state->mode != imBAD)
-  {
-    z->state->mode = imBAD;
-    z->state->sub.marker = 0;
-  }
-  if ((n = z->avail_in) == 0)
-    return Z_BUF_ERROR;
-  p = z->next_in;
-  m = z->state->sub.marker;
-
-  /* search */
-  while (n && m < 4)
-  {
-    static const Byte mark[4] = {0, 0, 0xff, 0xff};
-    if (*p == mark[m])
-      m++;
-    else if (*p)
-      m = 0;
-    else
-      m = 4 - m;
-    p++, n--;
-  }
-
-  /* restore */
-  z->total_in += p - z->next_in;
-  z->next_in = p;
-  z->avail_in = n;
-  z->state->sub.marker = m;
-
-  /* return no joy or set up to restart on a new block */
-  if (m != 4)
-    return Z_DATA_ERROR;
-  r = z->total_in;  w = z->total_out;
-  inflateReset(z);
-  z->total_in = r;  z->total_out = w;
-  z->state->mode = imBLOCKS;
-  return Z_OK;
+    if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
+        *(szComment+s->gi.size_comment)='\0';
+    return (int)uReadThis;
 }
 
-/* Returns true if inflate is currently at the end of a block generated
- * by Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
- * implementation to provide an additional safety check. PPP uses Z_SYNC_FLUSH
- * but removes the length bytes of the resulting empty stored block. When
- * decompressing, PPP checks that at the end of input packet, inflate is
- * waiting for these length bytes.
- */
-int inflateSyncPoint(z_streamp z)
+/* Additions by RX '2004 */
+extern uLong ZEXPORT unzGetOffset (file)
+    unzFile file;
 {
-  if (z == Z_NULL || z->state == Z_NULL || z->state->blocks == Z_NULL)
-    return Z_STREAM_ERROR;
-  return inflate_blocks_sync_point(z->state->blocks);
+    unz_s* s;
+
+    if (file==NULL)
+          return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+      return 0;
+    if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff)
+      if (s->num_file==s->gi.number_entry)
+         return 0;
+    return s->pos_in_central_dir;
 }
-#endif
 
-voidp zcalloc (voidp opaque, unsigned items, unsigned size)
+extern int ZEXPORT unzSetOffset (file, pos)
+        unzFile file;
+        uLong pos;
 {
-    if (opaque) items += size - size; /* make compiler happy */
-    return (voidp)Z_Malloc(items*size);
-}
+    unz_s* s;
+    int err;
 
-void  zcfree (voidp opaque, voidp ptr)
-{
-    Z_Free(ptr);
-    if (opaque) return; /* make compiler happy */
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+
+    s->pos_in_central_dir = pos;
+    s->num_file = s->gi.number_entry;      /* hack */
+    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
+                                              &s->cur_file_info_internal,
+                                              NULL,0,NULL,0,NULL,0);
+    s->current_file_ok = (err == UNZ_OK);
+    return err;
 }
-
-
diff --git a/code/qcommon/unzip.h b/code/qcommon/unzip.h
index 9340964..bac8695 100644
--- a/code/qcommon/unzip.h
+++ b/code/qcommon/unzip.h
@@ -1,255 +1,205 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
+/* unzip.h -- IO for uncompress .zip files using zlib
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+
+   This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
+     WinZip, InfoZip tools and compatible.
+
+   Multi volume ZipFile (span) are not supported.
+   Encryption compatible with pkzip 2.04g only supported
+   Old compressions used by old PKZip 1.x are not supported
+
+
+   I WAIT FEEDBACK at mail info@winimage.com
+   Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
 
-This file is part of Quake III Arena source code.
+   Condition of use and distribution are the same than zlib :
 
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
 
-Quake III Arena source code is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
 
-You should have received a copy of the GNU General Public License
-along with Quake III Arena source code; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-===========================================================================
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+
+*/
+
+/* for more info about .ZIP format, see
+      http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
+      http://www.info-zip.org/pub/infozip/doc/
+   PkWare has also a specification at :
+      ftp://ftp.pkware.com/probdesc.zip
 */
 
+#ifndef _unz_H
+#define _unz_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ZLIB_H
+  #ifdef USE_LOCAL_HEADERS
+    #include "../zlib/zlib.h"
+  #else
+    #include <zlib.h>
+  #endif
+#endif
+
+#ifndef _ZLIBIOAPI_H
+#include "ioapi.h"
+#endif
+
+#define NOUNCRYPT
+
 #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
 /* like the STRICT of WIN32, we define a pointer that cannot be converted
     from (void*) without cast */
-typedef struct TagunzFile__ { int unused; } unzFile__; 
+typedef struct TagunzFile__ { int unused; } unzFile__;
 typedef unzFile__ *unzFile;
 #else
-typedef void* unzFile;
+typedef voidp unzFile;
 #endif
 
+
+#define UNZ_OK                          (0)
+#define UNZ_END_OF_LIST_OF_FILE         (-100)
+#define UNZ_ERRNO                       (Z_ERRNO)
+#define UNZ_EOF                         (0)
+#define UNZ_PARAMERROR                  (-102)
+#define UNZ_BADZIPFILE                  (-103)
+#define UNZ_INTERNALERROR               (-104)
+#define UNZ_CRCERROR                    (-105)
+
 /* tm_unz contain date/time info */
-typedef struct tm_unz_s 
+typedef struct tm_unz_s
 {
-	unsigned int tm_sec;            /* seconds after the minute - [0,59] */
-	unsigned int tm_min;            /* minutes after the hour - [0,59] */
-	unsigned int tm_hour;           /* hours since midnight - [0,23] */
-	unsigned int tm_mday;           /* day of the month - [1,31] */
-	unsigned int tm_mon;            /* months since January - [0,11] */
-	unsigned int tm_year;           /* years - [1980..2044] */
+    uInt tm_sec;            /* seconds after the minute - [0,59] */
+    uInt tm_min;            /* minutes after the hour - [0,59] */
+    uInt tm_hour;           /* hours since midnight - [0,23] */
+    uInt tm_mday;           /* day of the month - [1,31] */
+    uInt tm_mon;            /* months since January - [0,11] */
+    uInt tm_year;           /* years - [1980..2044] */
 } tm_unz;
 
 /* unz_global_info structure contain global data about the ZIPfile
    These data comes from the end of central dir */
 typedef struct unz_global_info_s
 {
-	unsigned long number_entry;         /* total number of entries in the central dir on this disk */
-	unsigned long size_comment;         /* size of the global comment of the zipfile */
+    uLong number_entry;         /* total number of entries in
+                       the central dir on this disk */
+    uLong size_comment;         /* size of the global comment of the zipfile */
 } unz_global_info;
 
 
 /* unz_file_info contain information about a file in the zipfile */
 typedef struct unz_file_info_s
 {
-    unsigned long version;              /* version made by                 2 unsigned chars */
-    unsigned long version_needed;       /* version needed to extract       2 unsigned chars */
-    unsigned long flag;                 /* general purpose bit flag        2 unsigned chars */
-    unsigned long compression_method;   /* compression method              2 unsigned chars */
-    unsigned long dosDate;              /* last mod file date in Dos fmt   4 unsigned chars */
-    unsigned long crc;                  /* crc-32                          4 unsigned chars */
-    unsigned long compressed_size;      /* compressed size                 4 unsigned chars */ 
-    unsigned long uncompressed_size;    /* uncompressed size               4 unsigned chars */ 
-    unsigned long size_filename;        /* filename length                 2 unsigned chars */
-    unsigned long size_file_extra;      /* extra field length              2 unsigned chars */
-    unsigned long size_file_comment;    /* file comment length             2 unsigned chars */
-
-    unsigned long disk_num_start;       /* disk number start               2 unsigned chars */
-    unsigned long internal_fa;          /* internal file attributes        2 unsigned chars */
-    unsigned long external_fa;          /* external file attributes        4 unsigned chars */
+    uLong version;              /* version made by                 2 bytes */
+    uLong version_needed;       /* version needed to extract       2 bytes */
+    uLong flag;                 /* general purpose bit flag        2 bytes */
+    uLong compression_method;   /* compression method              2 bytes */
+    uLong dosDate;              /* last mod file date in Dos fmt   4 bytes */
+    uLong crc;                  /* crc-32                          4 bytes */
+    uLong compressed_size;      /* compressed size                 4 bytes */
+    uLong uncompressed_size;    /* uncompressed size               4 bytes */
+    uLong size_filename;        /* filename length                 2 bytes */
+    uLong size_file_extra;      /* extra field length              2 bytes */
+    uLong size_file_comment;    /* file comment length             2 bytes */
+
+    uLong disk_num_start;       /* disk number start               2 bytes */
+    uLong internal_fa;          /* internal file attributes        2 bytes */
+    uLong external_fa;          /* external file attributes        4 bytes */
 
     tm_unz tmu_date;
 } unz_file_info;
 
-/* unz_file_info_interntal contain internal info about a file in zipfile*/
-typedef struct unz_file_info_internal_s
-{
-    unsigned long offset_curfile;/* relative offset of static header 4 unsigned chars */
-} unz_file_info_internal;
-
-typedef void* (*alloc_func) (void* opaque, unsigned int items, unsigned int size);
-typedef void   (*free_func) (void* opaque, void* address);
-
-struct internal_state;
-
-typedef struct z_stream_s {
-    unsigned char    *next_in;  /* next input unsigned char */
-    unsigned int     avail_in;  /* number of unsigned chars available at next_in */
-    unsigned long    total_in;  /* total nb of input unsigned chars read so */
-
-    unsigned char    *next_out; /* next output unsigned char should be put there */
-    unsigned int     avail_out; /* remaining free space at next_out */
-    unsigned long    total_out; /* total nb of unsigned chars output so */
-
-    char     *msg;      /* last error message, NULL if no error */
-    struct internal_state *state; /* not visible by applications */
-
-    alloc_func zalloc;  /* used to allocate the internal state */
-    free_func  zfree;   /* used to free the internal state */
-    unsigned char*     opaque;  /* private data object passed to zalloc and zfree */
-
-    int     data_type;  /* best guess about the data type: ascii or binary */
-    unsigned long   adler;      /* adler32 value of the uncompressed data */
-    unsigned long   reserved;   /* reserved for future use */
-} z_stream;
-
-typedef z_stream *z_streamp;
-
-
-/* file_in_zip_read_info_s contain internal information about a file in zipfile,
-    when reading and decompress it */
-typedef struct
-{
-	char  *read_buffer;         /* internal buffer for compressed data */
-	z_stream stream;            /* zLib stream structure for inflate */
-
-	unsigned long pos_in_zipfile;       /* position in unsigned char on the zipfile, for fseek*/
-	unsigned long stream_initialised;   /* flag set if stream structure is initialised*/
-
-	unsigned long offset_local_extrafield;/* offset of the static extra field */
-	unsigned int  size_local_extrafield;/* size of the static extra field */
-	unsigned long pos_local_extrafield;   /* position in the static extra field in read*/
-
-	unsigned long crc32;                /* crc32 of all data uncompressed */
-	unsigned long crc32_wait;           /* crc32 we must obtain after decompress all */
-	unsigned long rest_read_compressed; /* number of unsigned char to be decompressed */
-	unsigned long rest_read_uncompressed;/*number of unsigned char to be obtained after decomp*/
-	FILE* file;                 /* io structore of the zipfile */
-	unsigned long compression_method;   /* compression method (0==store) */
-	unsigned long byte_before_the_zipfile;/* unsigned char before the zipfile, (>0 for sfx)*/
-} file_in_zip_read_info_s;
-
-
-/* unz_s contain internal information about the zipfile
-*/
-typedef struct
-{
-	FILE* file;                 /* io structore of the zipfile */
-	unz_global_info gi;       /* public global information */
-	unsigned long byte_before_the_zipfile;/* unsigned char before the zipfile, (>0 for sfx)*/
-	unsigned long num_file;             /* number of the current file in the zipfile*/
-	unsigned long pos_in_central_dir;   /* pos of the current file in the central dir*/
-	unsigned long current_file_ok;      /* flag about the usability of the current file*/
-	unsigned long central_pos;          /* position of the beginning of the central dir*/
-
-	unsigned long size_central_dir;     /* size of the central directory  */
-	unsigned long offset_central_dir;   /* offset of start of central directory with
-								   respect to the starting disk number */
-
-	unz_file_info cur_file_info; /* public info about the current file in zip*/
-	unz_file_info_internal cur_file_info_internal; /* private info about it*/
-    file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
-	                                    file if we are decompressing it */
-	unsigned char*	tmpFile;
-	int	tmpPos,tmpSize;
-} unz_s;
-
-#define UNZ_OK                                  (0)
-#define UNZ_END_OF_LIST_OF_FILE (-100)
-#define UNZ_ERRNO               (Z_ERRNO)
-#define UNZ_EOF                 (0)
-#define UNZ_PARAMERROR                  (-102)
-#define UNZ_BADZIPFILE                  (-103)
-#define UNZ_INTERNALERROR               (-104)
-#define UNZ_CRCERROR                    (-105)
-
-#define UNZ_CASESENSITIVE		1
-#define UNZ_NOTCASESENSITIVE	2
-#define UNZ_OSDEFAULTCASE		0
-
-extern int unzStringFileNameCompare (const char* fileName1, const char* fileName2, int iCaseSensitivity);
-
+extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
+                                                 const char* fileName2,
+                                                 int iCaseSensitivity));
 /*
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
    If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
-								or strcasecmp)
+                                or strcasecmp)
    If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
-	(like 1 on Unix, 2 on Windows)
+    (like 1 on Unix, 2 on Windows)
 */
 
-extern unzFile unzOpen (const char *path);
-extern unzFile unzReOpen (const char* path, unzFile file);
 
+extern unzFile ZEXPORT unzOpen OF((const char *path));
 /*
   Open a Zip file. path contain the full pathname (by example,
-     on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
-	 "zlib/zlib111.zip".
-	 If the zipfile cannot be opened (file don't exist or in not valid), the
-	   return value is NULL.
+     on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
+     "zlib/zlib113.zip".
+     If the zipfile cannot be opened (file don't exist or in not valid), the
+       return value is NULL.
      Else, the return value is a unzFile Handle, usable with other function
-	   of this unzip package.
+       of this unzip package.
 */
 
-extern int unzClose (unzFile file);
+extern unzFile ZEXPORT unzOpen2 OF((const char *path,
+                                    zlib_filefunc_def* pzlib_filefunc_def));
+/*
+   Open a Zip file, like unzOpen, but provide a set of file low level API
+      for read/write the zip file (see ioapi.h)
+*/
 
+extern int ZEXPORT unzClose OF((unzFile file));
 /*
   Close a ZipFile opened with unzipOpen.
   If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
 
-extern int unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info);
-
+extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
+                                        unz_global_info *pglobal_info));
 /*
   Write info about the ZipFile in the *pglobal_info structure.
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
 
 
-extern int unzGetGlobalComment (unzFile file, char *szComment, unsigned long uSizeBuf);
-
+extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
+                                           char *szComment,
+                                           uLong uSizeBuf));
 /*
   Get the global comment string of the ZipFile, in the szComment buffer.
   uSizeBuf is the size of the szComment buffer.
-  return the number of unsigned char copied or an error code <0
+  return the number of byte copied or an error code <0
 */
 
 
 /***************************************************************************/
 /* Unzip package allow you browse the directory of the zipfile */
 
-extern int unzGoToFirstFile (unzFile file);
-
+extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
 /*
   Set the current file of the zipfile to the first file.
   return UNZ_OK if there is no problem
 */
 
-extern int unzGoToNextFile (unzFile file);
-
+extern int ZEXPORT unzGoToNextFile OF((unzFile file));
 /*
   Set the current file of the zipfile to the next file.
   return UNZ_OK if there is no problem
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
 
-extern int unzGetCurrentFileInfoPosition (unzFile file, unsigned long *pos );
-
-/*
-  Get the position of the info of the current file in the zip.
-  return UNZ_OK if there is no problem
-*/
-
-extern int unzSetCurrentFileInfoPosition (unzFile file, unsigned long pos );
-
-/*
-  Set the position of the info of the current file in the zip.
-  return UNZ_OK if there is no problem
-*/
-
-extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity);
-
+extern int ZEXPORT unzLocateFile OF((unzFile file,
+                     const char *szFileName,
+                     int iCaseSensitivity));
 /*
   Try locate the file szFileName in the zipfile.
   For the iCaseSensitivity signification, see unzStringFileNameCompare
@@ -260,19 +210,44 @@ extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensiti
 */
 
 
-extern int unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char *szFileName, unsigned long fileNameBufferSize, void *extraField, unsigned long extraFieldBufferSize, char *szComment, unsigned long commentBufferSize);
-
+/* ****************************************** */
+/* Ryan supplied functions */
+/* unz_file_info contain information about a file in the zipfile */
+typedef struct unz_file_pos_s
+{
+    uLong pos_in_zip_directory;   /* offset in zip file directory */
+    uLong num_of_file;            /* # of file */
+} unz_file_pos;
+
+extern int ZEXPORT unzGetFilePos(
+    unzFile file,
+    unz_file_pos* file_pos);
+
+extern int ZEXPORT unzGoToFilePos(
+    unzFile file,
+    unz_file_pos* file_pos);
+
+/* ****************************************** */
+
+extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
+                         unz_file_info *pfile_info,
+                         char *szFileName,
+                         uLong fileNameBufferSize,
+                         void *extraField,
+                         uLong extraFieldBufferSize,
+                         char *szComment,
+                         uLong commentBufferSize));
 /*
   Get Info about the current file
   if pfile_info!=NULL, the *pfile_info structure will contain somes info about
-	    the current file
+        the current file
   if szFileName!=NULL, the filemane string will be copied in szFileName
-			(fileNameBufferSize is the size of the buffer)
+            (fileNameBufferSize is the size of the buffer)
   if extraField!=NULL, the extra field information will be copied in extraField
-			(extraFieldBufferSize is the size of the buffer).
-			This is the Central-header version of the extra field
+            (extraFieldBufferSize is the size of the buffer).
+            This is the Central-header version of the extra field
   if szComment!=NULL, the comment string of the file will be copied in szComment
-			(commentBufferSize is the size of the buffer)
+            (commentBufferSize is the size of the buffer)
 */
 
 /***************************************************************************/
@@ -280,48 +255,81 @@ extern int unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char
    from it, and close it (you can close it before reading all the file)
    */
 
-extern int unzOpenCurrentFile (unzFile file);
+extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
+/*
+  Open for reading data the current file in the zipfile.
+  If there is no error, the return value is UNZ_OK.
+*/
 
+extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
+                                                  const char* password));
 /*
   Open for reading data the current file in the zipfile.
+  password is a crypting password
   If there is no error, the return value is UNZ_OK.
 */
 
-extern int unzCloseCurrentFile (unzFile file);
+extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
+                                           int* method,
+                                           int* level,
+                                           int raw));
+/*
+  Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
+    if raw==1
+  *method will receive method of compression, *level will receive level of
+     compression
+  note : you can set level parameter as NULL (if you did not want known level,
+         but you CANNOT set method parameter as NULL
+*/
+
+extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
+                                           int* method,
+                                           int* level,
+                                           int raw,
+                                           const char* password));
+/*
+  Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
+    if raw==1
+  *method will receive method of compression, *level will receive level of
+     compression
+  note : you can set level parameter as NULL (if you did not want known level,
+         but you CANNOT set method parameter as NULL
+*/
+
 
+extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
 /*
   Close the file in zip opened with unzOpenCurrentFile
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
 
-												
-extern int unzReadCurrentFile (unzFile file, void* buf, unsigned len);
-
+extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
+                      voidp buf,
+                      unsigned len));
 /*
-  Read unsigned chars from the current file (opened by unzOpenCurrentFile)
+  Read bytes from the current file (opened by unzOpenCurrentFile)
   buf contain buffer where data must be copied
   len the size of buf.
 
-  return the number of unsigned char copied if somes unsigned chars are copied
+  return the number of byte copied if somes bytes are copied
   return 0 if the end of file was reached
   return <0 with error code if there is an error
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
 
-extern long unztell(unzFile file);
-
+extern z_off_t ZEXPORT unztell OF((unzFile file));
 /*
   Give the current position in uncompressed data
 */
 
-extern int unzeof (unzFile file);
-
+extern int ZEXPORT unzeof OF((unzFile file));
 /*
-  return 1 if the end of file was reached, 0 elsewhere 
+  return 1 if the end of file was reached, 0 elsewhere
 */
 
-extern int unzGetLocalExtrafield (unzFile file, void* buf, unsigned len);
-
+extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
+                                             voidp buf,
+                                             unsigned len));
 /*
   Read extra field from the current file (opened by unzOpenCurrentFile)
   This is the local-header version of the extra field (sometimes, there is
@@ -330,7 +338,23 @@ extern int unzGetLocalExtrafield (unzFile file, void* buf, unsigned len);
   if buf==NULL, it return the size of the local extra field
 
   if buf!=NULL, len is the size of the buffer, the extra header is copied in
-	buf.
-  the return value is the number of unsigned chars copied in buf, or (if <0) 
-	the error code
+    buf.
+  the return value is the number of bytes copied in buf, or (if <0)
+    the error code
 */
+
+/***************************************************************************/
+
+/* Get the current file offset */
+extern uLong ZEXPORT unzGetOffset (unzFile file);
+
+/* Set the current file offset */
+extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _unz_H */