From 6bf20c78f5b69d40bcc4931df93d29198435ab67 Mon Sep 17 00:00:00 2001 From: zakk Date: Fri, 26 Aug 2005 17:39:27 +0000 Subject: newlines fixed git-svn-id: svn://svn.icculus.org/quake3/trunk@6 edf5b092-35ff-0310-97b2-ce42778d08ea --- code/qcommon/unzip.h | 672 +++++++++++++++++++++++++-------------------------- 1 file changed, 336 insertions(+), 336 deletions(-) (limited to 'code/qcommon/unzip.h') diff --git a/code/qcommon/unzip.h b/code/qcommon/unzip.h index 53cb66b..2c31298 100755 --- a/code/qcommon/unzip.h +++ b/code/qcommon/unzip.h @@ -1,336 +1,336 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. - -This file is part of Quake III Arena source code. - -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. - -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. - -You should have received a copy of the GNU General Public License -along with Foobar; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ - -#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 unzFile__ *unzFile; -#else -typedef void* unzFile; -#endif - -/* tm_unz contain date/time info */ -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] */ -} 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 */ -} 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 */ - - 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); - -/* - 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) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system - (like 1 on Unix, 2 on Windows) -*/ - -extern unzFile unzOpen (const char *path); -extern unzFile unzReOpen (const char* path, unzFile file); - -/* - 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. - Else, the return value is a unzFile Handle, usable with other function - of this unzip package. -*/ - -extern int unzClose (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); - -/* - 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); - -/* - 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 -*/ - - -/***************************************************************************/ -/* Unzip package allow you browse the directory of the zipfile */ - -extern int unzGoToFirstFile (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); - -/* - 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); - -/* - Try locate the file szFileName in the zipfile. - For the iCaseSensitivity signification, see unzStringFileNameCompare - - return value : - 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 unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char *szFileName, unsigned long fileNameBufferSize, void *extraField, unsigned long extraFieldBufferSize, char *szComment, unsigned long commentBufferSize); - -/* - Get Info about the current file - if pfile_info!=NULL, the *pfile_info structure will contain somes info about - the current file - if szFileName!=NULL, the filemane string will be copied in szFileName - (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 - if szComment!=NULL, the comment string of the file will be copied in szComment - (commentBufferSize is the size of the buffer) -*/ - -/***************************************************************************/ -/* for reading the content of the current zipfile, you can open it, read data - from it, and close it (you can close it before reading all the file) - */ - -extern int unzOpenCurrentFile (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 unzCloseCurrentFile (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); - -/* - Read unsigned chars 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 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); - -/* - Give the current position in uncompressed data -*/ - -extern int unzeof (unzFile file); - -/* - return 1 if the end of file was reached, 0 elsewhere -*/ - -extern int unzGetLocalExtrafield (unzFile file, void* 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 - more info in the local-header version than in the central-header) - - 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 -*/ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +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. + +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. + +You should have received a copy of the GNU General Public License +along with Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +#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 unzFile__ *unzFile; +#else +typedef void* unzFile; +#endif + +/* tm_unz contain date/time info */ +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] */ +} 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 */ +} 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 */ + + 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); + +/* + 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) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) +*/ + +extern unzFile unzOpen (const char *path); +extern unzFile unzReOpen (const char* path, unzFile file); + +/* + 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. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ + +extern int unzClose (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); + +/* + 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); + +/* + 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 +*/ + + +/***************************************************************************/ +/* Unzip package allow you browse the directory of the zipfile */ + +extern int unzGoToFirstFile (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); + +/* + 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); + +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + 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 unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char *szFileName, unsigned long fileNameBufferSize, void *extraField, unsigned long extraFieldBufferSize, char *szComment, unsigned long commentBufferSize); + +/* + Get Info about the current file + if pfile_info!=NULL, the *pfile_info structure will contain somes info about + the current file + if szFileName!=NULL, the filemane string will be copied in szFileName + (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 + if szComment!=NULL, the comment string of the file will be copied in szComment + (commentBufferSize is the size of the buffer) +*/ + +/***************************************************************************/ +/* for reading the content of the current zipfile, you can open it, read data + from it, and close it (you can close it before reading all the file) + */ + +extern int unzOpenCurrentFile (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 unzCloseCurrentFile (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); + +/* + Read unsigned chars 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 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); + +/* + Give the current position in uncompressed data +*/ + +extern int unzeof (unzFile file); + +/* + return 1 if the end of file was reached, 0 elsewhere +*/ + +extern int unzGetLocalExtrafield (unzFile file, void* 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 + more info in the local-header version than in the central-header) + + 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 +*/ -- cgit v1.2.3