SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401938
This commit is contained in:
Sam Lantinga
parent
91a32b77a2
commit
0f030a1802
686 changed files with 117556 additions and 98661 deletions
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@ -43,157 +43,179 @@
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#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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#endif
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static int SDLCALL win32_file_open(SDL_RWops *context, const char *filename, const char *mode)
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static int SDLCALL
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win32_file_open(SDL_RWops * context, const char *filename, const char *mode)
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{
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#ifndef _WIN32_WCE
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UINT old_error_mode;
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UINT old_error_mode;
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#endif
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HANDLE h;
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DWORD r_right, w_right;
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DWORD must_exist, truncate;
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int a_mode;
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HANDLE h;
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DWORD r_right, w_right;
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DWORD must_exist, truncate;
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int a_mode;
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if (!context)
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return -1;
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context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
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if (!context)
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return -1;
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/* "r" = reading, file must exist */
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/* "w" = writing, truncate existing, file may not exist */
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/* "r+"= reading or writing, file must exist */
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/* "a" = writing, append file may not exist */
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/* "a+"= append + read, file may not exist */
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/* "w+" = read, write, truncate. file may not exist */
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must_exist = ( SDL_strchr(mode,'r') != NULL ) ? OPEN_EXISTING : 0;
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truncate = ( SDL_strchr(mode,'w') != NULL ) ? CREATE_ALWAYS : 0;
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r_right = ( SDL_strchr(mode,'+') != NULL || must_exist ) ? GENERIC_READ : 0;
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a_mode = ( SDL_strchr(mode,'a') != NULL ) ? OPEN_ALWAYS : 0;
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w_right = ( a_mode || SDL_strchr(mode,'+') || truncate ) ? GENERIC_WRITE : 0;
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context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */
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if (!r_right && !w_right) /* inconsistent mode */
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return -1; /* failed (invalid call)*/
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/* "r" = reading, file must exist */
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/* "w" = writing, truncate existing, file may not exist */
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/* "r+"= reading or writing, file must exist */
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/* "a" = writing, append file may not exist */
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/* "a+"= append + read, file may not exist */
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/* "w+" = read, write, truncate. file may not exist */
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must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0;
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truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0;
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r_right = (SDL_strchr(mode, '+') != NULL
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|| must_exist) ? GENERIC_READ : 0;
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a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0;
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w_right = (a_mode || SDL_strchr(mode, '+')
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|| truncate) ? GENERIC_WRITE : 0;
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if (!r_right && !w_right) /* inconsistent mode */
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return -1; /* failed (invalid call) */
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#ifdef _WIN32_WCE
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{
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size_t size = SDL_strlen(filename)+1;
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wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
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{
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size_t size = SDL_strlen(filename) + 1;
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wchar_t *filenameW = SDL_stack_alloc(wchar_t, size);
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if ( MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) == 0 ) {
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SDL_SetError("Unable to convert filename to Unicode");
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SDL_stack_free(filenameW);
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return -1;
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}
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h = CreateFile(filenameW, (w_right|r_right), (w_right)? 0 : FILE_SHARE_READ,
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NULL, (must_exist|truncate|a_mode), FILE_ATTRIBUTE_NORMAL,NULL);
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SDL_stack_free(filenameW);
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}
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if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) ==
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0) {
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SDL_SetError("Unable to convert filename to Unicode");
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SDL_stack_free(filenameW);
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return -1;
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}
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h = CreateFile(filenameW, (w_right | r_right),
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(w_right) ? 0 : FILE_SHARE_READ, NULL,
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(must_exist | truncate | a_mode),
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FILE_ATTRIBUTE_NORMAL, NULL);
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SDL_stack_free(filenameW);
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}
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#else
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/* Do not open a dialog box if failure */
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old_error_mode = SetErrorMode(SEM_NOOPENFILEERRORBOX|SEM_FAILCRITICALERRORS);
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/* Do not open a dialog box if failure */
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old_error_mode =
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SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
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h = CreateFile(filename, (w_right|r_right), (w_right)? 0 : FILE_SHARE_READ,
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NULL, (must_exist|truncate|a_mode), FILE_ATTRIBUTE_NORMAL,NULL);
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h = CreateFile(filename, (w_right | r_right),
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(w_right) ? 0 : FILE_SHARE_READ, NULL,
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(must_exist | truncate | a_mode), FILE_ATTRIBUTE_NORMAL,
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NULL);
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/* restore old behaviour */
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SetErrorMode(old_error_mode);
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/* restore old behaviour */
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SetErrorMode(old_error_mode);
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#endif /* _WIN32_WCE */
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if (h==INVALID_HANDLE_VALUE) {
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SDL_SetError("Couldn't open %s",filename);
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return -2; /* failed (CreateFile) */
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}
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context->hidden.win32io.h = h;
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context->hidden.win32io.append = a_mode;
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return 0; /* ok */
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}
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static int SDLCALL win32_file_seek(SDL_RWops *context, int offset, int whence)
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{
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DWORD win32whence;
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int file_pos;
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if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE) {
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SDL_SetError("win32_file_seek: invalid context/file not opened");
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return -1;
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}
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switch (whence) {
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case RW_SEEK_SET:
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win32whence = FILE_BEGIN; break;
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case RW_SEEK_CUR:
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win32whence = FILE_CURRENT; break;
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case RW_SEEK_END:
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win32whence = FILE_END; break;
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default:
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SDL_SetError("win32_file_seek: Unknown value for 'whence'");
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return -1;
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}
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file_pos = SetFilePointer(context->hidden.win32io.h,offset,NULL,win32whence);
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if (h == INVALID_HANDLE_VALUE) {
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SDL_SetError("Couldn't open %s", filename);
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return -2; /* failed (CreateFile) */
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}
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context->hidden.win32io.h = h;
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context->hidden.win32io.append = a_mode;
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if ( file_pos != INVALID_SET_FILE_POINTER )
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return file_pos; /* success */
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SDL_Error(SDL_EFSEEK);
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return -1; /* error */
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return 0; /* ok */
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}
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static int SDLCALL win32_file_read(SDL_RWops *context, void *ptr, int size, int maxnum)
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static int SDLCALL
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win32_file_seek(SDL_RWops * context, int offset, int whence)
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{
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int total_bytes;
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DWORD byte_read,nread;
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total_bytes = size*maxnum;
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if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE || total_bytes<=0 || !size)
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return 0;
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if (!ReadFile(context->hidden.win32io.h,ptr,total_bytes,&byte_read,NULL)) {
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SDL_Error(SDL_EFREAD);
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return 0;
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}
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nread = byte_read/size;
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return nread;
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}
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static int SDLCALL win32_file_write(SDL_RWops *context, const void *ptr, int size, int num)
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{
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int total_bytes;
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DWORD byte_written,nwritten;
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total_bytes = size*num;
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DWORD win32whence;
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int file_pos;
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if (!context || context->hidden.win32io.h==INVALID_HANDLE_VALUE || total_bytes<=0 || !size)
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return 0;
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if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE) {
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SDL_SetError("win32_file_seek: invalid context/file not opened");
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return -1;
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}
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/* if in append mode, we must go to the EOF before write */
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if (context->hidden.win32io.append) {
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if ( SetFilePointer(context->hidden.win32io.h,0L,NULL,FILE_END) == INVALID_SET_FILE_POINTER ) {
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SDL_Error(SDL_EFWRITE);
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return 0;
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}
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}
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if (!WriteFile(context->hidden.win32io.h,ptr,total_bytes,&byte_written,NULL)) {
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SDL_Error(SDL_EFWRITE);
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return 0;
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}
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nwritten = byte_written/size;
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return nwritten;
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switch (whence) {
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case RW_SEEK_SET:
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win32whence = FILE_BEGIN;
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break;
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case RW_SEEK_CUR:
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win32whence = FILE_CURRENT;
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break;
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case RW_SEEK_END:
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win32whence = FILE_END;
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break;
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default:
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SDL_SetError("win32_file_seek: Unknown value for 'whence'");
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return -1;
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}
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file_pos =
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SetFilePointer(context->hidden.win32io.h, offset, NULL, win32whence);
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if (file_pos != INVALID_SET_FILE_POINTER)
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return file_pos; /* success */
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SDL_Error(SDL_EFSEEK);
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return -1; /* error */
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}
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static int SDLCALL win32_file_close(SDL_RWops *context)
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static int SDLCALL
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win32_file_read(SDL_RWops * context, void *ptr, int size, int maxnum)
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{
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if ( context ) {
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if (context->hidden.win32io.h != INVALID_HANDLE_VALUE) {
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CloseHandle(context->hidden.win32io.h);
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context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* to be sure */
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}
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SDL_FreeRW(context);
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}
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return(0);
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int total_bytes;
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DWORD byte_read, nread;
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total_bytes = size * maxnum;
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if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE
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|| total_bytes <= 0 || !size)
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return 0;
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if (!ReadFile
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(context->hidden.win32io.h, ptr, total_bytes, &byte_read, NULL)) {
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SDL_Error(SDL_EFREAD);
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return 0;
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}
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nread = byte_read / size;
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return nread;
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}
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static int SDLCALL
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win32_file_write(SDL_RWops * context, const void *ptr, int size, int num)
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{
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int total_bytes;
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DWORD byte_written, nwritten;
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total_bytes = size * num;
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if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE
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|| total_bytes <= 0 || !size)
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return 0;
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/* if in append mode, we must go to the EOF before write */
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if (context->hidden.win32io.append) {
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if (SetFilePointer(context->hidden.win32io.h, 0L, NULL, FILE_END)
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== INVALID_SET_FILE_POINTER) {
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SDL_Error(SDL_EFWRITE);
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return 0;
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}
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}
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if (!WriteFile
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(context->hidden.win32io.h, ptr, total_bytes, &byte_written, NULL)) {
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SDL_Error(SDL_EFWRITE);
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return 0;
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}
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nwritten = byte_written / size;
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return nwritten;
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}
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static int SDLCALL
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win32_file_close(SDL_RWops * context)
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{
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if (context) {
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if (context->hidden.win32io.h != INVALID_HANDLE_VALUE) {
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CloseHandle(context->hidden.win32io.h);
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context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* to be sure */
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}
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SDL_FreeRW(context);
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}
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return (0);
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}
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#endif /* __WIN32__ */
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@ -201,117 +223,127 @@ static int SDLCALL win32_file_close(SDL_RWops *context)
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/* Functions to read/write stdio file pointers */
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static int SDLCALL stdio_seek(SDL_RWops *context, int offset, int whence)
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static int SDLCALL
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stdio_seek(SDL_RWops * context, int offset, int whence)
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{
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if ( fseek(context->hidden.stdio.fp, offset, whence) == 0 ) {
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return(ftell(context->hidden.stdio.fp));
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} else {
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SDL_Error(SDL_EFSEEK);
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return(-1);
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}
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if (fseek(context->hidden.stdio.fp, offset, whence) == 0) {
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return (ftell(context->hidden.stdio.fp));
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} else {
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SDL_Error(SDL_EFSEEK);
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return (-1);
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}
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}
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static int SDLCALL stdio_read(SDL_RWops *context, void *ptr, int size, int maxnum)
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static int SDLCALL
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stdio_read(SDL_RWops * context, void *ptr, int size, int maxnum)
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{
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size_t nread;
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size_t nread;
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nread = fread(ptr, size, maxnum, context->hidden.stdio.fp);
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if ( nread == 0 && ferror(context->hidden.stdio.fp) ) {
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SDL_Error(SDL_EFREAD);
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}
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return(nread);
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nread = fread(ptr, size, maxnum, context->hidden.stdio.fp);
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if (nread == 0 && ferror(context->hidden.stdio.fp)) {
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SDL_Error(SDL_EFREAD);
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}
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return (nread);
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}
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static int SDLCALL stdio_write(SDL_RWops *context, const void *ptr, int size, int num)
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static int SDLCALL
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stdio_write(SDL_RWops * context, const void *ptr, int size, int num)
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{
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size_t nwrote;
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size_t nwrote;
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nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp);
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if ( nwrote == 0 && ferror(context->hidden.stdio.fp) ) {
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SDL_Error(SDL_EFWRITE);
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}
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return(nwrote);
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nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp);
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if (nwrote == 0 && ferror(context->hidden.stdio.fp)) {
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SDL_Error(SDL_EFWRITE);
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}
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return (nwrote);
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}
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static int SDLCALL stdio_close(SDL_RWops *context)
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static int SDLCALL
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stdio_close(SDL_RWops * context)
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{
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if ( context ) {
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if ( context->hidden.stdio.autoclose ) {
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/* WARNING: Check the return value here! */
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fclose(context->hidden.stdio.fp);
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}
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SDL_FreeRW(context);
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}
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return(0);
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if (context) {
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if (context->hidden.stdio.autoclose) {
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/* WARNING: Check the return value here! */
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fclose(context->hidden.stdio.fp);
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}
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SDL_FreeRW(context);
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}
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return (0);
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}
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#endif /* !HAVE_STDIO_H */
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/* Functions to read/write memory pointers */
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static int SDLCALL mem_seek(SDL_RWops *context, int offset, int whence)
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static int SDLCALL
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mem_seek(SDL_RWops * context, int offset, int whence)
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{
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Uint8 *newpos;
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Uint8 *newpos;
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switch (whence) {
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case RW_SEEK_SET:
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newpos = context->hidden.mem.base+offset;
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break;
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case RW_SEEK_CUR:
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newpos = context->hidden.mem.here+offset;
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break;
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case RW_SEEK_END:
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newpos = context->hidden.mem.stop+offset;
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break;
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default:
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SDL_SetError("Unknown value for 'whence'");
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return(-1);
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}
|
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if ( newpos < context->hidden.mem.base ) {
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newpos = context->hidden.mem.base;
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}
|
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if ( newpos > context->hidden.mem.stop ) {
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newpos = context->hidden.mem.stop;
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}
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context->hidden.mem.here = newpos;
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return(context->hidden.mem.here-context->hidden.mem.base);
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switch (whence) {
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case RW_SEEK_SET:
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newpos = context->hidden.mem.base + offset;
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break;
|
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case RW_SEEK_CUR:
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newpos = context->hidden.mem.here + offset;
|
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break;
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case RW_SEEK_END:
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newpos = context->hidden.mem.stop + offset;
|
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break;
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default:
|
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SDL_SetError("Unknown value for 'whence'");
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return (-1);
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}
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if (newpos < context->hidden.mem.base) {
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newpos = context->hidden.mem.base;
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}
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if (newpos > context->hidden.mem.stop) {
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newpos = context->hidden.mem.stop;
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}
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context->hidden.mem.here = newpos;
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return (context->hidden.mem.here - context->hidden.mem.base);
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}
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static int SDLCALL mem_read(SDL_RWops *context, void *ptr, int size, int maxnum)
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static int SDLCALL
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mem_read(SDL_RWops * context, void *ptr, int size, int maxnum)
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{
|
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size_t total_bytes;
|
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size_t mem_available;
|
||||
size_t total_bytes;
|
||||
size_t mem_available;
|
||||
|
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total_bytes = (maxnum * size);
|
||||
if ( (maxnum <= 0) || (size <= 0) || ((total_bytes / maxnum) != (size_t) size) ) {
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return 0;
|
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}
|
||||
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;
|
||||
}
|
||||
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;
|
||||
SDL_memcpy(ptr, context->hidden.mem.here, total_bytes);
|
||||
context->hidden.mem.here += total_bytes;
|
||||
|
||||
return (total_bytes / size);
|
||||
return (total_bytes / size);
|
||||
}
|
||||
static int SDLCALL mem_write(SDL_RWops *context, const void *ptr, int size, int num)
|
||||
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);
|
||||
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)
|
||||
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);
|
||||
SDL_SetError("Can't write to read-only memory");
|
||||
return (-1);
|
||||
}
|
||||
static int SDLCALL mem_close(SDL_RWops *context)
|
||||
static int SDLCALL
|
||||
mem_close(SDL_RWops * context)
|
||||
{
|
||||
if ( context ) {
|
||||
SDL_FreeRW(context);
|
||||
}
|
||||
return(0);
|
||||
if (context) {
|
||||
SDL_FreeRW(context);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -322,233 +354,263 @@ static int SDLCALL mem_close(SDL_RWops *context)
|
|||
* translate unix-style slash-separated filename to mac-style colon-separated
|
||||
* name; return malloced string
|
||||
*/
|
||||
static char *unix_to_mac(const char *file)
|
||||
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;
|
||||
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 *
|
||||
SDL_RWFromFile(const char *file, const char *mode)
|
||||
{
|
||||
SDL_RWops *rwops = NULL;
|
||||
SDL_RWops *rwops = NULL;
|
||||
#ifdef HAVE_STDIO_H
|
||||
FILE *fp = NULL;
|
||||
FILE *fp = NULL;
|
||||
#endif
|
||||
if ( !file || !*file || !mode || !*mode ) {
|
||||
SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!file || !*file || !mode || !*mode) {
|
||||
SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
|
||||
return NULL;
|
||||
}
|
||||
#if defined(__WIN32__)
|
||||
rwops = SDL_AllocRW();
|
||||
if (!rwops)
|
||||
return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
|
||||
rwops->hidden.win32io.h = INVALID_HANDLE_VALUE;
|
||||
if (win32_file_open(rwops,file,mode)) {
|
||||
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;
|
||||
rwops = SDL_AllocRW();
|
||||
if (!rwops)
|
||||
return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
|
||||
rwops->hidden.win32io.h = INVALID_HANDLE_VALUE;
|
||||
if (win32_file_open(rwops, file, mode)) {
|
||||
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);
|
||||
}
|
||||
{
|
||||
char *mpath = unix_to_mac(file);
|
||||
fp = fopen(mpath, mode);
|
||||
SDL_free(mpath);
|
||||
}
|
||||
#else
|
||||
fp = fopen(file, mode);
|
||||
fp = fopen(file, mode);
|
||||
#endif
|
||||
if ( fp == NULL ) {
|
||||
SDL_SetError("Couldn't open %s", file);
|
||||
} else {
|
||||
rwops = SDL_RWFromFP(fp, 1);
|
||||
}
|
||||
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");
|
||||
SDL_SetError("SDL not compiled with stdio support");
|
||||
#endif /* !HAVE_STDIO_H */
|
||||
|
||||
return(rwops);
|
||||
return (rwops);
|
||||
}
|
||||
|
||||
#ifdef HAVE_STDIO_H
|
||||
SDL_RWops *SDL_RWFromFP(FILE *fp, int autoclose)
|
||||
SDL_RWops *
|
||||
SDL_RWFromFP(FILE * fp, int autoclose)
|
||||
{
|
||||
SDL_RWops *rwops = NULL;
|
||||
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);
|
||||
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 *
|
||||
SDL_RWFromMem(void *mem, int size)
|
||||
{
|
||||
SDL_RWops *rwops;
|
||||
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);
|
||||
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 *
|
||||
SDL_RWFromConstMem(const void *mem, int size)
|
||||
{
|
||||
SDL_RWops *rwops;
|
||||
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);
|
||||
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 *
|
||||
SDL_AllocRW(void)
|
||||
{
|
||||
SDL_RWops *area;
|
||||
SDL_RWops *area;
|
||||
|
||||
area = (SDL_RWops *)SDL_malloc(sizeof *area);
|
||||
if ( area == NULL ) {
|
||||
SDL_OutOfMemory();
|
||||
}
|
||||
return(area);
|
||||
area = (SDL_RWops *) SDL_malloc(sizeof *area);
|
||||
if (area == NULL) {
|
||||
SDL_OutOfMemory();
|
||||
}
|
||||
return (area);
|
||||
}
|
||||
|
||||
void SDL_FreeRW(SDL_RWops *area)
|
||||
void
|
||||
SDL_FreeRW(SDL_RWops * area)
|
||||
{
|
||||
SDL_free(area);
|
||||
SDL_free(area);
|
||||
}
|
||||
|
||||
/* Functions for dynamically reading and writing endian-specific values */
|
||||
|
||||
Uint16 SDL_ReadLE16 (SDL_RWops *src)
|
||||
Uint16
|
||||
SDL_ReadLE16(SDL_RWops * src)
|
||||
{
|
||||
Uint16 value;
|
||||
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));
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapLE16(value));
|
||||
}
|
||||
|
||||
int SDL_WriteLE16 (SDL_RWops *dst, Uint16 value)
|
||||
Uint16
|
||||
SDL_ReadBE16(SDL_RWops * src)
|
||||
{
|
||||
value = SDL_SwapLE16(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
Uint16 value;
|
||||
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapBE16(value));
|
||||
}
|
||||
int SDL_WriteBE16 (SDL_RWops *dst, Uint16 value)
|
||||
|
||||
Uint32
|
||||
SDL_ReadLE32(SDL_RWops * src)
|
||||
{
|
||||
value = SDL_SwapBE16(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
Uint32 value;
|
||||
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapLE32(value));
|
||||
}
|
||||
int SDL_WriteLE32 (SDL_RWops *dst, Uint32 value)
|
||||
|
||||
Uint32
|
||||
SDL_ReadBE32(SDL_RWops * src)
|
||||
{
|
||||
value = SDL_SwapLE32(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
Uint32 value;
|
||||
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapBE32(value));
|
||||
}
|
||||
int SDL_WriteBE32 (SDL_RWops *dst, Uint32 value)
|
||||
|
||||
Uint64
|
||||
SDL_ReadLE64(SDL_RWops * src)
|
||||
{
|
||||
value = SDL_SwapBE32(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
Uint64 value;
|
||||
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapLE64(value));
|
||||
}
|
||||
int SDL_WriteLE64 (SDL_RWops *dst, Uint64 value)
|
||||
|
||||
Uint64
|
||||
SDL_ReadBE64(SDL_RWops * src)
|
||||
{
|
||||
value = SDL_SwapLE64(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
Uint64 value;
|
||||
|
||||
SDL_RWread(src, &value, (sizeof value), 1);
|
||||
return (SDL_SwapBE64(value));
|
||||
}
|
||||
int SDL_WriteBE64 (SDL_RWops *dst, Uint64 value)
|
||||
|
||||
int
|
||||
SDL_WriteLE16(SDL_RWops * dst, Uint16 value)
|
||||
{
|
||||
value = SDL_SwapBE64(value);
|
||||
return(SDL_RWwrite(dst, &value, (sizeof value), 1));
|
||||
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));
|
||||
}
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue