+++ /dev/null
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
-
- 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.
-*/
-
-/**
- * \file SDL_rwops.h
- *
- * This file provides a general interface for SDL to read and write
- * data streams. It can easily be extended to files, memory, etc.
- */
-
-#ifndef SDL_rwops_h_
-#define SDL_rwops_h_
-
-#include "SDL_stdinc.h"
-#include "SDL_error.h"
-
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* RWops Types */
-#define SDL_RWOPS_UNKNOWN 0U /**< Unknown stream type */
-#define SDL_RWOPS_WINFILE 1U /**< Win32 file */
-#define SDL_RWOPS_STDFILE 2U /**< Stdio file */
-#define SDL_RWOPS_JNIFILE 3U /**< Android asset */
-#define SDL_RWOPS_MEMORY 4U /**< Memory stream */
-#define SDL_RWOPS_MEMORY_RO 5U /**< Read-Only memory stream */
-
-/**
- * This is the read/write operation structure -- very basic.
- */
-typedef struct SDL_RWops
-{
- /**
- * Return the size of the file in this rwops, or -1 if unknown
- */
- Sint64 (SDLCALL * size) (struct SDL_RWops * context);
-
- /**
- * Seek to \c offset relative to \c whence, one of stdio's whence values:
- * RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END
- *
- * \return the final offset in the data stream, or -1 on error.
- */
- Sint64 (SDLCALL * seek) (struct SDL_RWops * context, Sint64 offset,
- int whence);
-
- /**
- * Read up to \c maxnum objects each of size \c size from the data
- * stream to the area pointed at by \c ptr.
- *
- * \return the number of objects read, or 0 at error or end of file.
- */
- size_t (SDLCALL * read) (struct SDL_RWops * context, void *ptr,
- size_t size, size_t maxnum);
-
- /**
- * Write exactly \c num objects each of size \c size from the area
- * pointed at by \c ptr to data stream.
- *
- * \return the number of objects written, or 0 at error or end of file.
- */
- size_t (SDLCALL * write) (struct SDL_RWops * context, const void *ptr,
- size_t size, size_t num);
-
- /**
- * Close and free an allocated SDL_RWops structure.
- *
- * \return 0 if successful or -1 on write error when flushing data.
- */
- int (SDLCALL * close) (struct SDL_RWops * context);
-
- Uint32 type;
- union
- {
-#if defined(__ANDROID__)
- struct
- {
- void *fileNameRef;
- void *inputStreamRef;
- void *readableByteChannelRef;
- void *readMethod;
- void *assetFileDescriptorRef;
- long position;
- long size;
- long offset;
- int fd;
- } androidio;
-#elif defined(__WIN32__)
- struct
- {
- SDL_bool append;
- void *h;
- struct
- {
- void *data;
- size_t size;
- size_t left;
- } buffer;
- } windowsio;
-#endif
-
-#ifdef HAVE_STDIO_H
- struct
- {
- SDL_bool autoclose;
- FILE *fp;
- } stdio;
-#endif
- struct
- {
- Uint8 *base;
- Uint8 *here;
- Uint8 *stop;
- } mem;
- struct
- {
- void *data1;
- void *data2;
- } unknown;
- } hidden;
-
-} SDL_RWops;
-
-
-/**
- * \name RWFrom functions
- *
- * Functions to create SDL_RWops structures from various data streams.
- */
-/* @{ */
-
-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,
- SDL_bool autoclose);
-#else
-extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromFP(void * fp,
- SDL_bool 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);
-
-/* @} *//* RWFrom functions */
-
-
-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 */
-
-/**
- * Return the size of the file in this rwops, or -1 if unknown
- */
-extern DECLSPEC Sint64 SDLCALL SDL_RWsize(SDL_RWops *context);
-
-/**
- * Seek to \c offset relative to \c whence, one of stdio's whence values:
- * RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END
- *
- * \return the final offset in the data stream, or -1 on error.
- */
-extern DECLSPEC Sint64 SDLCALL SDL_RWseek(SDL_RWops *context,
- Sint64 offset, int whence);
-
-/**
- * Return the current offset in the data stream, or -1 on error.
- */
-extern DECLSPEC Sint64 SDLCALL SDL_RWtell(SDL_RWops *context);
-
-/**
- * Read up to \c maxnum objects each of size \c size from the data
- * stream to the area pointed at by \c ptr.
- *
- * \return the number of objects read, or 0 at error or end of file.
- */
-extern DECLSPEC size_t SDLCALL SDL_RWread(SDL_RWops *context,
- void *ptr, size_t size, size_t maxnum);
-
-/**
- * Write exactly \c num objects each of size \c size from the area
- * pointed at by \c ptr to data stream.
- *
- * \return the number of objects written, or 0 at error or end of file.
- */
-extern DECLSPEC size_t SDLCALL SDL_RWwrite(SDL_RWops *context,
- const void *ptr, size_t size, size_t num);
-
-/**
- * Close and free an allocated SDL_RWops structure.
- *
- * \return 0 if successful or -1 on write error when flushing data.
- */
-extern DECLSPEC int SDLCALL SDL_RWclose(SDL_RWops *context);
-
-/**
- * Load all the data from an SDL data stream.
- *
- * The data is allocated with a zero byte at the end (null terminated)
- *
- * If \c datasize is not NULL, it is filled with the size of the data read.
- *
- * If \c freesrc is non-zero, the stream will be closed after being read.
- *
- * The data should be freed with SDL_free().
- *
- * \return the data, or NULL if there was an error.
- */
-extern DECLSPEC void *SDLCALL SDL_LoadFile_RW(SDL_RWops * src, size_t *datasize,
- int freesrc);
-
-/**
- * Load an entire file.
- *
- * The data is allocated with a zero byte at the end (null terminated)
- *
- * If \c datasize is not NULL, it is filled with the size of the data read.
- *
- * If \c freesrc is non-zero, the stream will be closed after being read.
- *
- * The data should be freed with SDL_free().
- *
- * \return the data, or NULL if there was an error.
- */
-extern DECLSPEC void *SDLCALL SDL_LoadFile(const char *file, size_t *datasize);
-
-/**
- * \name Read endian functions
- *
- * Read an item of the specified endianness and return in native format.
- */
-/* @{ */
-extern DECLSPEC Uint8 SDLCALL SDL_ReadU8(SDL_RWops * src);
-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);
-/* @} *//* Read endian functions */
-
-/**
- * \name Write endian functions
- *
- * Write an item of native format to the specified endianness.
- */
-/* @{ */
-extern DECLSPEC size_t SDLCALL SDL_WriteU8(SDL_RWops * dst, Uint8 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteLE16(SDL_RWops * dst, Uint16 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteBE16(SDL_RWops * dst, Uint16 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteLE32(SDL_RWops * dst, Uint32 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteBE32(SDL_RWops * dst, Uint32 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteLE64(SDL_RWops * dst, Uint64 value);
-extern DECLSPEC size_t SDLCALL SDL_WriteBE64(SDL_RWops * dst, Uint64 value);
-/* @} *//* Write endian functions */
-
-/* Ends C function definitions when using C++ */
-#ifdef __cplusplus
-}
-#endif
-#include "close_code.h"
-
-#endif /* SDL_rwops_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
projects / xonotic / xonotic.git / blobdiff