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comparison src/file/SDL_rwops.c @ 1354:22f39393668a

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Fixed build problem with SDL_string.c Officially deprecated SDL_byteorder.h, SDL_getenv.h and SDL_types.h Moved endian-related SDL_rwops code into SDL_rwops.c
author Sam Lantinga <slouken@libsdl.org>
date Thu, 09 Feb 2006 09:38:05 +0000
parents 604d73db6802
children c71e05b4dc2e
comparison
equal deleted inserted replaced
1353:7ba544e2888d 1354:22f39393668a
22 22
23 /* This file provides a general interface for SDL to read and write 23 /* This file provides a general interface for SDL to read and write
24 data sources. It can easily be extended to files, memory, etc. 24 data sources. It can easily be extended to files, memory, etc.
25 */ 25 */
26 26
27 #include "SDL_stdlib.h"
28 #include "SDL_string.h"
29 #include "SDL_error.h" 27 #include "SDL_error.h"
28 #include "SDL_endian.h"
30 #include "SDL_rwops.h" 29 #include "SDL_rwops.h"
30
31 31
32 #ifdef HAVE_STDIO_H 32 #ifdef HAVE_STDIO_H
33 33
34 /* Functions to read/write stdio file pointers */ 34 /* Functions to read/write stdio file pointers */
35 35
301 301
302 void SDL_FreeRW(SDL_RWops *area) 302 void SDL_FreeRW(SDL_RWops *area)
303 { 303 {
304 SDL_free(area); 304 SDL_free(area);
305 } 305 }
306
307 /* Functions for dynamically reading and writing endian-specific values */
308
309 Uint16 SDL_ReadLE16 (SDL_RWops *src)
310 {
311 Uint16 value;
312
313 SDL_RWread(src, &value, (sizeof value), 1);
314 return(SDL_SwapLE16(value));
315 }
316 Uint16 SDL_ReadBE16 (SDL_RWops *src)
317 {
318 Uint16 value;
319
320 SDL_RWread(src, &value, (sizeof value), 1);
321 return(SDL_SwapBE16(value));
322 }
323 Uint32 SDL_ReadLE32 (SDL_RWops *src)
324 {
325 Uint32 value;
326
327 SDL_RWread(src, &value, (sizeof value), 1);
328 return(SDL_SwapLE32(value));
329 }
330 Uint32 SDL_ReadBE32 (SDL_RWops *src)
331 {
332 Uint32 value;
333
334 SDL_RWread(src, &value, (sizeof value), 1);
335 return(SDL_SwapBE32(value));
336 }
337 Uint64 SDL_ReadLE64 (SDL_RWops *src)
338 {
339 Uint64 value;
340
341 SDL_RWread(src, &value, (sizeof value), 1);
342 return(SDL_SwapLE64(value));
343 }
344 Uint64 SDL_ReadBE64 (SDL_RWops *src)
345 {
346 Uint64 value;
347
348 SDL_RWread(src, &value, (sizeof value), 1);
349 return(SDL_SwapBE64(value));
350 }
351
352 int SDL_WriteLE16 (SDL_RWops *dst, Uint16 value)
353 {
354 value = SDL_SwapLE16(value);
355 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
356 }
357 int SDL_WriteBE16 (SDL_RWops *dst, Uint16 value)
358 {
359 value = SDL_SwapBE16(value);
360 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
361 }
362 int SDL_WriteLE32 (SDL_RWops *dst, Uint32 value)
363 {
364 value = SDL_SwapLE32(value);
365 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
366 }
367 int SDL_WriteBE32 (SDL_RWops *dst, Uint32 value)
368 {
369 value = SDL_SwapBE32(value);
370 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
371 }
372 int SDL_WriteLE64 (SDL_RWops *dst, Uint64 value)
373 {
374 value = SDL_SwapLE64(value);
375 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
376 }
377 int SDL_WriteBE64 (SDL_RWops *dst, Uint64 value)
378 {
379 value = SDL_SwapBE64(value);
380 return(SDL_RWwrite(dst, &value, (sizeof value), 1));
381 }