diff options
Diffstat (limited to 'code/SDL12/include/SDL_rwops.h')
| -rw-r--r-- | code/SDL12/include/SDL_rwops.h | 63 |
1 files changed, 44 insertions, 19 deletions
diff --git a/code/SDL12/include/SDL_rwops.h b/code/SDL12/include/SDL_rwops.h index 43aa678..d7e01d8 100644 --- a/code/SDL12/include/SDL_rwops.h +++ b/code/SDL12/include/SDL_rwops.h @@ -1,40 +1,34 @@ /* SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga + Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public + modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. + version 2.1 of the License, or (at your option) any later version. This library 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 - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ -#ifdef SAVE_RCSID -static char rcsid = - "@(#) $Id: SDL_rwops.h,v 1.8 2004/08/20 18:57:01 slouken Exp $"; -#endif - /* This file provides a general interface for SDL to read and write data sources. It can easily be extended to files, memory, etc. */ -#ifndef _SDL_RWops_h -#define _SDL_RWops_h - -#include <stdio.h> +#ifndef _SDL_rwops_h +#define _SDL_rwops_h -#include "SDL_types.h" +#include "SDL_stdinc.h" +#include "SDL_error.h" #include "begin_code.h" /* Set up for C function definitions, even when using C++ */ @@ -68,10 +62,18 @@ typedef struct SDL_RWops { Uint32 type; union { +#ifdef __WIN32__ + struct { + int append; + void* h; + } win32io; +#endif +#ifdef HAVE_STDIO_H struct { int autoclose; FILE *fp; } stdio; +#endif struct { Uint8 *base; Uint8 *here; @@ -89,7 +91,9 @@ typedef struct SDL_RWops { extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromFile(const char *file, const char *mode); +#ifdef HAVE_STDIO_H extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromFP(FILE *fp, int autoclose); +#endif extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromMem(void *mem, int size); extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromConstMem(const void *mem, int size); @@ -97,18 +101,39 @@ extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromConstMem(const void *mem, int size extern DECLSPEC SDL_RWops * SDLCALL SDL_AllocRW(void); extern DECLSPEC void SDLCALL SDL_FreeRW(SDL_RWops *area); +#define RW_SEEK_SET 0 /* Seek from the beginning of data */ +#define RW_SEEK_CUR 1 /* Seek relative to current read point */ +#define RW_SEEK_END 2 /* Seek relative to the end of data */ + /* Macros to easily read and write from an SDL_RWops structure */ #define SDL_RWseek(ctx, offset, whence) (ctx)->seek(ctx, offset, whence) -#define SDL_RWtell(ctx) (ctx)->seek(ctx, 0, SEEK_CUR) +#define SDL_RWtell(ctx) (ctx)->seek(ctx, 0, RW_SEEK_CUR) #define SDL_RWread(ctx, ptr, size, n) (ctx)->read(ctx, ptr, size, n) #define SDL_RWwrite(ctx, ptr, size, n) (ctx)->write(ctx, ptr, size, n) #define SDL_RWclose(ctx) (ctx)->close(ctx) +/* Read an item of the specified endianness and return in native format */ +extern DECLSPEC Uint16 SDLCALL SDL_ReadLE16(SDL_RWops *src); +extern DECLSPEC Uint16 SDLCALL SDL_ReadBE16(SDL_RWops *src); +extern DECLSPEC Uint32 SDLCALL SDL_ReadLE32(SDL_RWops *src); +extern DECLSPEC Uint32 SDLCALL SDL_ReadBE32(SDL_RWops *src); +extern DECLSPEC Uint64 SDLCALL SDL_ReadLE64(SDL_RWops *src); +extern DECLSPEC Uint64 SDLCALL SDL_ReadBE64(SDL_RWops *src); + +/* Write an item of native format to the specified endianness */ +extern DECLSPEC int SDLCALL SDL_WriteLE16(SDL_RWops *dst, Uint16 value); +extern DECLSPEC int SDLCALL SDL_WriteBE16(SDL_RWops *dst, Uint16 value); +extern DECLSPEC int SDLCALL SDL_WriteLE32(SDL_RWops *dst, Uint32 value); +extern DECLSPEC int SDLCALL SDL_WriteBE32(SDL_RWops *dst, Uint32 value); +extern DECLSPEC int SDLCALL SDL_WriteLE64(SDL_RWops *dst, Uint64 value); +extern DECLSPEC int SDLCALL SDL_WriteBE64(SDL_RWops *dst, Uint64 value); + + /* Ends C function definitions when using C++ */ #ifdef __cplusplus } #endif #include "close_code.h" -#endif /* _SDL_RWops_h */ +#endif /* _SDL_rwops_h */ |