Import SDL release-1.2.15

Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf

1 files changed, 673 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/file/SDL_rwops.c b/distrib/sdl-1.2.15/src/file/SDL_rwops.c
new file mode 100644
index 0000000..1593e97
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/file/SDL_rwops.c
@@ -0,0 +1,673 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    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
+    Lesser General Public License for more details.
+
+    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
+*/
+#include "SDL_config.h"
+
+/* This file provides a general interface for SDL to read and write
+   data sources.  It can easily be extended to files, memory, etc.
+*/
+
+#include "SDL_endian.h"
+#include "SDL_rwops.h"
+
+
+#if defined(__WIN32__) && !defined(__SYMBIAN32__)
+
+/* Functions to read/write Win32 API file pointers */
+/* Will not use it on WinCE because stdio is buffered, it means
+   faster, and all stdio functions anyway are embedded in coredll.dll - 
+   the main wince dll*/
+
+#define WINDOWS_LEAN_AND_MEAN
+#include <windows.h>
+
+#ifndef INVALID_SET_FILE_POINTER
+#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
+#endif
+
+#define READAHEAD_BUFFER_SIZE	1024
+
+static int SDLCALL win32_file_open(SDL_RWops *context, const char *filename, const char *mode)
+{
+#ifndef _WIN32_WCE
+	UINT	old_error_mode;
+#endif
+	HANDLE	h;
+	DWORD	r_right, w_right;
+	DWORD	must_exist, truncate;
+	int		a_mode;
+
+	if (!context)
+		return -1; /* failed (invalid call) */
+		
+	context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
+	context->hidden.win32io.buffer.data = NULL;
+	context->hidden.win32io.buffer.size = 0;
+	context->hidden.win32io.buffer.left = 0;
+
+	/* "r" = reading, file must exist */
+	/* "w" = writing, truncate existing, file may not exist */
+	/* "r+"= reading or writing, file must exist            */
+	/* "a" = writing, append file may not exist             */
+	/* "a+"= append + read, file may not exist              */
+	/* "w+" = read, write, truncate. file may not exist    */
+	
+	must_exist = ( SDL_strchr(mode,'r') != NULL ) ? OPEN_EXISTING : 0;
+	truncate   = ( SDL_strchr(mode,'w') != NULL ) ? CREATE_ALWAYS : 0;
+	r_right    = ( SDL_strchr(mode,'+') != NULL || must_exist ) ? GENERIC_READ : 0;
+	a_mode     = ( SDL_strchr(mode,'a') != NULL ) ? OPEN_ALWAYS : 0;
+	w_right    = ( a_mode || SDL_strchr(mode,'+') || truncate ) ? GENERIC_WRITE : 0;
+
+	if (!r_right && !w_right) /* inconsistent mode */
+		return -1; /* failed (invalid call) */
+
+	context->hidden.win32io.buffer.data = (char *)SDL_malloc(READAHEAD_BUFFER_SIZE);
+	if (!context->hidden.win32io.buffer.data) {
+		SDL_OutOfMemory();
+		return -1;
+	}
+
+#ifdef _WIN32_WCE
+	{
+		size_t size = SDL_strlen(filename)+1;
+		wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
+
+		if ( MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) == 0 ) {
+			SDL_stack_free(filenameW);
+			SDL_free(context->hidden.win32io.buffer.data);
+			context->hidden.win32io.buffer.data = NULL;
+			SDL_SetError("Unable to convert filename to Unicode");
+			return -1;
+		}
+		h = CreateFile(filenameW, (w_right|r_right), (w_right)? 0 : FILE_SHARE_READ, 
+					   NULL, (must_exist|truncate|a_mode), FILE_ATTRIBUTE_NORMAL,NULL);
+		SDL_stack_free(filenameW);
+	}
+#else
+	{
+
+	/* handle Unicode filenames.  We do some tapdancing here to make sure this
+	   works on Win9x, which doesn't support anything but 1-byte codepages. */
+	const size_t size = SDL_strlen(filename)+1;
+	static int unicode_support = -1;
+
+	if (unicode_support == -1) {
+		OSVERSIONINFO osVerInfo;     /* Information about the OS */
+		osVerInfo.dwOSVersionInfoSize = sizeof(osVerInfo);
+		if (!GetVersionEx(&osVerInfo)) {
+			unicode_support = 0;
+		} else if (osVerInfo.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS) {
+			unicode_support = 1;  /* Not Win95/98/ME. */
+		} else {
+			unicode_support = 0;
+		}
+	}
+
+	if (unicode_support) {  /* everything but Win95/98/ME. */
+		wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
+		if ( MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) == 0 ) {
+			SDL_stack_free(filenameW);
+			SDL_free(context->hidden.win32io.buffer.data);
+			context->hidden.win32io.buffer.data = NULL;
+			SDL_SetError("Unable to convert filename to Unicode");
+			return -1;
+		}
+
+		/* Do not open a dialog box if failure */
+		old_error_mode = SetErrorMode(SEM_NOOPENFILEERRORBOX|SEM_FAILCRITICALERRORS);
+		h = CreateFileW(filenameW, (w_right|r_right), (w_right)? 0 : FILE_SHARE_READ,
+					   NULL, (must_exist|truncate|a_mode), FILE_ATTRIBUTE_NORMAL,NULL);
+		/* restore old behaviour */
+		SetErrorMode(old_error_mode);
+
+		SDL_stack_free(filenameW);
+	} else {
+		/* CP_UTF8 might not be supported (Win95), so use SDL_iconv to get wchars. */
+		/* Use UCS2: no UTF-16 support here. Try again in SDL 1.3.  :) */
+		char *utf16 = SDL_iconv_string("UCS2", "UTF8", filename, SDL_strlen(filename) + 1);
+		char *filenameA = SDL_stack_alloc(char, size * 6);  /* 6, just in case. */
+		BOOL bDefCharUsed = FALSE;
+
+		/* Dither down to a codepage and hope for the best. */
+		if (!utf16 ||
+			!WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)utf16, -1, filenameA, size*6, 0, &bDefCharUsed) ||
+			bDefCharUsed) {
+			SDL_stack_free(filenameA);
+			SDL_free(utf16);
+			SDL_free(context->hidden.win32io.buffer.data);
+			context->hidden.win32io.buffer.data = NULL;
+			SDL_SetError("Unable to convert filename to Unicode");
+			return -1;
+		}
+
+		/* Do not open a dialog box if failure */
+		old_error_mode = SetErrorMode(SEM_NOOPENFILEERRORBOX|SEM_FAILCRITICALERRORS);
+		h = CreateFile(filenameA, (w_right|r_right), (w_right)? 0 : FILE_SHARE_READ,
+		               NULL, (must_exist|truncate|a_mode), FILE_ATTRIBUTE_NORMAL,NULL);
+		/* restore old behaviour */
+		SetErrorMode(old_error_mode);
+
+		SDL_stack_free(filenameA);
+		SDL_free(utf16);
+	}
+
+	}
+#endif /* _WIN32_WCE */
+
+	if (h==INVALID_HANDLE_VALUE) {
+		SDL_free(context->hidden.win32io.buffer.data);
+		context->hidden.win32io.buffer.data = NULL;
+		SDL_SetError("Couldn't open %s",filename);
+		return -2; /* failed (CreateFile) */
+	}
+	context->hidden.win32io.h = h;
+	context->hidden.win32io.append = a_mode;
+
+	return 0; /* ok */
+}
+static int SDLCALL win32_file_seek(SDL_RWops *context, int offset, int whence)
+{
+	DWORD win32whence;
+	int   file_pos;
+	
+	if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE) {
+		SDL_SetError("win32_file_seek: invalid context/file not opened");
+		return -1;
+	}
+
+	/* FIXME: We may be able to satisfy the seek within buffered data */
+	if (whence == RW_SEEK_CUR && context->hidden.win32io.buffer.left) {
+		offset -= context->hidden.win32io.buffer.left;
+    }
+    context->hidden.win32io.buffer.left = 0;
+
+	switch (whence) {
+		case RW_SEEK_SET:		
+			win32whence = FILE_BEGIN; break;
+		case RW_SEEK_CUR:
+			win32whence = FILE_CURRENT; break;
+		case RW_SEEK_END:
+			win32whence = FILE_END; break;
+		default:
+			SDL_SetError("win32_file_seek: Unknown value for 'whence'");			
+			return -1;
+	}
+
+	file_pos = SetFilePointer(context->hidden.win32io.h,offset,NULL,win32whence);
+
+	if ( file_pos != INVALID_SET_FILE_POINTER )
+		return file_pos; /* success */
+	
+	SDL_Error(SDL_EFSEEK);
+	return -1; /* error */
+}
+static int SDLCALL win32_file_read(SDL_RWops *context, void *ptr, int size, int maxnum)
+{
+	int		total_need; 
+	int		total_read = 0; 
+    int     read_ahead;
+	DWORD	byte_read;
+	
+	total_need = size*maxnum;
+	
+	if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE || total_need<=0 || !size) 	
+		return 0;
+
+    if (context->hidden.win32io.buffer.left > 0) {
+        void *data = (char *)context->hidden.win32io.buffer.data +
+                             context->hidden.win32io.buffer.size -
+                             context->hidden.win32io.buffer.left;
+        read_ahead = SDL_min(total_need, context->hidden.win32io.buffer.left); 
+        SDL_memcpy(ptr, data, read_ahead);
+        context->hidden.win32io.buffer.left -= read_ahead;
+
+        if (read_ahead == total_need) {
+            return maxnum;
+        }
+        ptr = (char *)ptr + read_ahead;
+        total_need -= read_ahead;       
+		total_read += read_ahead;
+    }
+
+    if (total_need < READAHEAD_BUFFER_SIZE) {
+        if (!ReadFile(context->hidden.win32io.h,context->hidden.win32io.buffer.data,READAHEAD_BUFFER_SIZE,&byte_read,NULL)) {
+            SDL_Error(SDL_EFREAD);
+            return 0;
+        }
+        read_ahead = SDL_min(total_need, (int)byte_read);
+        SDL_memcpy(ptr, context->hidden.win32io.buffer.data, read_ahead);
+        context->hidden.win32io.buffer.size = byte_read;
+        context->hidden.win32io.buffer.left = byte_read-read_ahead;
+        total_read += read_ahead;
+    } else {
+        if (!ReadFile(context->hidden.win32io.h,ptr,total_need,&byte_read,NULL)) {
+            SDL_Error(SDL_EFREAD);
+            return 0;
+        }
+        total_read += byte_read;
+    }
+	return (total_read/size);
+}
+static int SDLCALL win32_file_write(SDL_RWops *context, const void *ptr, int size, int num)
+{
+	
+	int		total_bytes; 
+	DWORD	byte_written,nwritten;
+	
+	total_bytes = size*num;
+
+	if (!context || context->hidden.win32io.h==INVALID_HANDLE_VALUE || total_bytes<=0 || !size) 	
+		return 0;
+
+	if (context->hidden.win32io.buffer.left) {
+		SetFilePointer(context->hidden.win32io.h,-context->hidden.win32io.buffer.left,NULL,FILE_CURRENT);
+		context->hidden.win32io.buffer.left = 0;
+	}
+
+	/* if in append mode, we must go to the EOF before write */
+	if (context->hidden.win32io.append) {
+		if ( SetFilePointer(context->hidden.win32io.h,0L,NULL,FILE_END) == INVALID_SET_FILE_POINTER ) {
+			SDL_Error(SDL_EFWRITE);
+			return 0;
+		}
+	}
+	
+	if (!WriteFile(context->hidden.win32io.h,ptr,total_bytes,&byte_written,NULL)) {
+		SDL_Error(SDL_EFWRITE);
+		return 0;
+	}
+	
+	nwritten = byte_written/size;
+	return nwritten;
+}
+static int SDLCALL win32_file_close(SDL_RWops *context)
+{
+	
+	if ( context ) {								
+		if (context->hidden.win32io.h != INVALID_HANDLE_VALUE) {
+			CloseHandle(context->hidden.win32io.h);
+			context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* to be sure */
+		}
+		if (context->hidden.win32io.buffer.data) {
+			SDL_free(context->hidden.win32io.buffer.data);
+			context->hidden.win32io.buffer.data = NULL;
+		}
+		SDL_FreeRW(context);
+	}
+	return(0);
+}
+#endif /* __WIN32__ */
+
+#ifdef HAVE_STDIO_H
+
+/* Functions to read/write stdio file pointers */
+
+static int SDLCALL stdio_seek(SDL_RWops *context, int offset, int whence)
+{
+	if ( fseek(context->hidden.stdio.fp, offset, whence) == 0 ) {
+		return(ftell(context->hidden.stdio.fp));
+	} else {
+		SDL_Error(SDL_EFSEEK);
+		return(-1);
+	}
+}
+static int SDLCALL stdio_read(SDL_RWops *context, void *ptr, int size, int maxnum)
+{
+	size_t nread;
+
+	nread = fread(ptr, size, maxnum, context->hidden.stdio.fp); 
+	if ( nread == 0 && ferror(context->hidden.stdio.fp) ) {
+		SDL_Error(SDL_EFREAD);
+	}
+	return(nread);
+}
+static int SDLCALL stdio_write(SDL_RWops *context, const void *ptr, int size, int num)
+{
+	size_t nwrote;
+
+	nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp);
+	if ( nwrote == 0 && ferror(context->hidden.stdio.fp) ) {
+		SDL_Error(SDL_EFWRITE);
+	}
+	return(nwrote);
+}
+static int SDLCALL stdio_close(SDL_RWops *context)
+{
+	if ( context ) {
+		if ( context->hidden.stdio.autoclose ) {
+			/* WARNING:  Check the return value here! */
+			fclose(context->hidden.stdio.fp);
+		}
+		SDL_FreeRW(context);
+	}
+	return(0);
+}
+#endif /* !HAVE_STDIO_H */
+
+/* Functions to read/write memory pointers */
+
+static int SDLCALL mem_seek(SDL_RWops *context, int offset, int whence)
+{
+	Uint8 *newpos;
+
+	switch (whence) {
+		case RW_SEEK_SET:
+			newpos = context->hidden.mem.base+offset;
+			break;
+		case RW_SEEK_CUR:
+			newpos = context->hidden.mem.here+offset;
+			break;
+		case RW_SEEK_END:
+			newpos = context->hidden.mem.stop+offset;
+			break;
+		default:
+			SDL_SetError("Unknown value for 'whence'");
+			return(-1);
+	}
+	if ( newpos < context->hidden.mem.base ) {
+		newpos = context->hidden.mem.base;
+	}
+	if ( newpos > context->hidden.mem.stop ) {
+		newpos = context->hidden.mem.stop;
+	}
+	context->hidden.mem.here = newpos;
+	return(context->hidden.mem.here-context->hidden.mem.base);
+}
+static int SDLCALL mem_read(SDL_RWops *context, void *ptr, int size, int maxnum)
+{
+	size_t total_bytes;
+	size_t mem_available;
+
+	total_bytes = (maxnum * size);
+	if ( (maxnum <= 0) || (size <= 0) || ((total_bytes / maxnum) != (size_t) size) ) {
+		return 0;
+	}
+
+	mem_available = (context->hidden.mem.stop - context->hidden.mem.here);
+	if (total_bytes > mem_available) {
+		total_bytes = mem_available;
+	}
+
+	SDL_memcpy(ptr, context->hidden.mem.here, total_bytes);
+	context->hidden.mem.here += total_bytes;
+
+	return (total_bytes / size);
+}
+static int SDLCALL mem_write(SDL_RWops *context, const void *ptr, int size, int num)
+{
+	if ( (context->hidden.mem.here + (num*size)) > context->hidden.mem.stop ) {
+		num = (context->hidden.mem.stop-context->hidden.mem.here)/size;
+	}
+	SDL_memcpy(context->hidden.mem.here, ptr, num*size);
+	context->hidden.mem.here += num*size;
+	return(num);
+}
+static int SDLCALL mem_writeconst(SDL_RWops *context, const void *ptr, int size, int num)
+{
+	SDL_SetError("Can't write to read-only memory");
+	return(-1);
+}
+static int SDLCALL mem_close(SDL_RWops *context)
+{
+	if ( context ) {
+		SDL_FreeRW(context);
+	}
+	return(0);
+}
+
+
+/* Functions to create SDL_RWops structures from various data sources */
+
+#ifdef __MACOS__
+/*
+ * translate unix-style slash-separated filename to mac-style colon-separated
+ * name; return malloced string
+ */
+static char *unix_to_mac(const char *file)
+{
+	int flen = SDL_strlen(file);
+	char *path = SDL_malloc(flen + 2);
+	const char *src = file;
+	char *dst = path;
+	if(*src == '/') {
+		/* really depends on filesystem layout, hope for the best */
+		src++;
+	} else {
+		/* Check if this is a MacOS path to begin with */
+		if(*src != ':')
+			*dst++ = ':';   /* relative paths begin with ':' */
+	}
+	while(src < file + flen) {
+		const char *end = SDL_strchr(src, '/');
+		int len;
+		if(!end)
+			end = file + flen; /* last component */
+		len = end - src;
+		if(len == 0 || (len == 1 && src[0] == '.')) {
+			/* remove repeated slashes and . */
+		} else {
+			if(len == 2 && src[0] == '.' && src[1] == '.') {
+				/* replace .. with the empty string */
+			} else {
+				SDL_memcpy(dst, src, len);
+				dst += len;
+			}
+			if(end < file + flen)
+				*dst++ = ':';
+		}
+		src = end + 1;
+	}
+	*dst++ = '\0';
+	return path;
+}
+#endif /* __MACOS__ */
+
+SDL_RWops *SDL_RWFromFile(const char *file, const char *mode)
+{
+	SDL_RWops *rwops = NULL;
+#ifdef HAVE_STDIO_H
+	FILE *fp = NULL;
+	(void) fp;
+#endif
+	if ( !file || !*file || !mode || !*mode ) {
+		SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
+		return NULL;
+	}
+
+#if defined(__WIN32__) && !defined(__SYMBIAN32__)
+	rwops = SDL_AllocRW();
+	if (!rwops)
+		return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
+	if (win32_file_open(rwops,file,mode) < 0) {
+		SDL_FreeRW(rwops);
+		return NULL;
+	}	
+	rwops->seek  = win32_file_seek;
+	rwops->read  = win32_file_read;
+	rwops->write = win32_file_write;
+	rwops->close = win32_file_close;
+
+#elif HAVE_STDIO_H
+
+#ifdef __MACOS__
+	{
+		char *mpath = unix_to_mac(file);
+		fp = fopen(mpath, mode);
+		SDL_free(mpath);
+	}
+#else
+	fp = fopen(file, mode);
+#endif
+	if ( fp == NULL ) {
+		SDL_SetError("Couldn't open %s", file);
+	} else {
+		rwops = SDL_RWFromFP(fp, 1);
+	}
+#else
+	SDL_SetError("SDL not compiled with stdio support");
+#endif /* !HAVE_STDIO_H */
+
+	return(rwops);
+}
+
+#ifdef HAVE_STDIO_H
+SDL_RWops *SDL_RWFromFP(FILE *fp, int autoclose)
+{
+	SDL_RWops *rwops = NULL;
+
+	rwops = SDL_AllocRW();
+	if ( rwops != NULL ) {
+		rwops->seek = stdio_seek;
+		rwops->read = stdio_read;
+		rwops->write = stdio_write;
+		rwops->close = stdio_close;
+		rwops->hidden.stdio.fp = fp;
+		rwops->hidden.stdio.autoclose = autoclose;
+	}
+	return(rwops);
+}
+#endif /* HAVE_STDIO_H */
+
+SDL_RWops *SDL_RWFromMem(void *mem, int size)
+{
+	SDL_RWops *rwops;
+
+	rwops = SDL_AllocRW();
+	if ( rwops != NULL ) {
+		rwops->seek = mem_seek;
+		rwops->read = mem_read;
+		rwops->write = mem_write;
+		rwops->close = mem_close;
+		rwops->hidden.mem.base = (Uint8 *)mem;
+		rwops->hidden.mem.here = rwops->hidden.mem.base;
+		rwops->hidden.mem.stop = rwops->hidden.mem.base+size;
+	}
+	return(rwops);
+}
+
+SDL_RWops *SDL_RWFromConstMem(const void *mem, int size)
+{
+	SDL_RWops *rwops;
+
+	rwops = SDL_AllocRW();
+	if ( rwops != NULL ) {
+		rwops->seek = mem_seek;
+		rwops->read = mem_read;
+		rwops->write = mem_writeconst;
+		rwops->close = mem_close;
+		rwops->hidden.mem.base = (Uint8 *)mem;
+		rwops->hidden.mem.here = rwops->hidden.mem.base;
+		rwops->hidden.mem.stop = rwops->hidden.mem.base+size;
+	}
+	return(rwops);
+}
+
+SDL_RWops *SDL_AllocRW(void)
+{
+	SDL_RWops *area;
+
+	area = (SDL_RWops *)SDL_malloc(sizeof *area);
+	if ( area == NULL ) {
+		SDL_OutOfMemory();
+	}
+	return(area);
+}
+
+void SDL_FreeRW(SDL_RWops *area)
+{
+	SDL_free(area);
+}
+
+/* Functions for dynamically reading and writing endian-specific values */
+
+Uint16 SDL_ReadLE16 (SDL_RWops *src)
+{
+	Uint16 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapLE16(value));
+}
+Uint16 SDL_ReadBE16 (SDL_RWops *src)
+{
+	Uint16 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapBE16(value));
+}
+Uint32 SDL_ReadLE32 (SDL_RWops *src)
+{
+	Uint32 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapLE32(value));
+}
+Uint32 SDL_ReadBE32 (SDL_RWops *src)
+{
+	Uint32 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapBE32(value));
+}
+Uint64 SDL_ReadLE64 (SDL_RWops *src)
+{
+	Uint64 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapLE64(value));
+}
+Uint64 SDL_ReadBE64 (SDL_RWops *src)
+{
+	Uint64 value;
+
+	SDL_RWread(src, &value, (sizeof value), 1);
+	return(SDL_SwapBE64(value));
+}
+
+int SDL_WriteLE16 (SDL_RWops *dst, Uint16 value)
+{
+	value = SDL_SwapLE16(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}
+int SDL_WriteBE16 (SDL_RWops *dst, Uint16 value)
+{
+	value = SDL_SwapBE16(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}
+int SDL_WriteLE32 (SDL_RWops *dst, Uint32 value)
+{
+	value = SDL_SwapLE32(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}
+int SDL_WriteBE32 (SDL_RWops *dst, Uint32 value)
+{
+	value = SDL_SwapBE32(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}
+int SDL_WriteLE64 (SDL_RWops *dst, Uint64 value)
+{
+	value = SDL_SwapLE64(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}
+int SDL_WriteBE64 (SDL_RWops *dst, Uint64 value)
+{
+	value = SDL_SwapBE64(value);
+	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
+}