diff options
Diffstat (limited to 'code/SDL12/include/SDL_rwops.h')
| -rw-r--r-- | code/SDL12/include/SDL_rwops.h | 70 |
1 files changed, 43 insertions, 27 deletions
diff --git a/code/SDL12/include/SDL_rwops.h b/code/SDL12/include/SDL_rwops.h index d7e01d8..a450119 100644 --- a/code/SDL12/include/SDL_rwops.h +++ b/code/SDL12/include/SDL_rwops.h @@ -1,6 +1,6 @@ /* SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga + Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -20,9 +20,10 @@ slouken@libsdl.org */ -/* This file provides a general interface for SDL to read and write - data sources. It can easily be extended to files, memory, etc. -*/ +/** @file SDL_rwops.h + * 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 @@ -36,36 +37,41 @@ extern "C" { #endif -/* This is the read/write operation structure -- very basic */ +/** This is the read/write operation structure -- very basic */ typedef struct SDL_RWops { - /* Seek to 'offset' relative to whence, one of stdio's whence values: - SEEK_SET, SEEK_CUR, SEEK_END - Returns the final offset in the data source. + /** Seek to 'offset' relative to whence, one of stdio's whence values: + * SEEK_SET, SEEK_CUR, SEEK_END + * Returns the final offset in the data source. */ int (SDLCALL *seek)(struct SDL_RWops *context, int offset, int whence); - /* Read up to 'num' objects each of size 'objsize' from the data - source to the area pointed at by 'ptr'. - Returns the number of objects read, or -1 if the read failed. + /** Read up to 'maxnum' objects each of size 'size' from the data + * source to the area pointed at by 'ptr'. + * Returns the number of objects read, or -1 if the read failed. */ int (SDLCALL *read)(struct SDL_RWops *context, void *ptr, int size, int maxnum); - /* Write exactly 'num' objects each of size 'objsize' from the area - pointed at by 'ptr' to data source. - Returns 'num', or -1 if the write failed. + /** Write exactly 'num' objects each of size 'objsize' from the area + * pointed at by 'ptr' to data source. + * Returns 'num', or -1 if the write failed. */ int (SDLCALL *write)(struct SDL_RWops *context, const void *ptr, int size, int num); - /* Close and free an allocated SDL_FSops structure */ + /** Close and free an allocated SDL_FSops structure */ int (SDLCALL *close)(struct SDL_RWops *context); Uint32 type; union { -#ifdef __WIN32__ +#if defined(__WIN32__) && !defined(__SYMBIAN32__) struct { - int append; - void* h; + int append; + void *h; + struct { + void *data; + int size; + int left; + } buffer; } win32io; #endif #ifdef HAVE_STDIO_H @@ -87,7 +93,8 @@ typedef struct SDL_RWops { } SDL_RWops; -/* Functions to create SDL_RWops structures from various data sources */ +/** @name Functions to create SDL_RWops structures from various data sources */ +/*@{*/ extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromFile(const char *file, const char *mode); @@ -101,34 +108,43 @@ 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 */ +/*@}*/ + +/** @name Seek Reference Points */ +/*@{*/ +#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 */ +/** @name 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, 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 */ +/** @name 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 */ +/** @name 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 |