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comparison include/SDL_stdinc.h @ 2157:75a6c5deba84

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Fixed bug #451 SDL_memset4 copies a 32-bit value, not an 8-bit value.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 08 Jul 2007 14:24:55 +0000
parents e906da4414a3
children 65bb3dd0b350
comparison
equal deleted inserted replaced
2156:cd041eb7eb4a 2157:75a6c5deba84
277 extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len); 277 extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);
278 #endif 278 #endif
279 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) 279 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
280 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) 280 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
281 281
282 /* We can count on memset existing on Mac OS X and being well-tuned. */ 282 #if defined(__GNUC__) && defined(i386)
283 #if defined(__MACH__) && defined(__APPLE__)
284 #define SDL_memset4(dst, val, len) memset(dst, val, (len)*4)
285 #elif defined(__GNUC__) && defined(i386)
286 #define SDL_memset4(dst, val, len) \ 283 #define SDL_memset4(dst, val, len) \
287 do { \ 284 do { \
288 int u0, u1, u2; \ 285 int u0, u1, u2; \
289 __asm__ __volatile__ ( \ 286 __asm__ __volatile__ ( \
290 "cld\n\t" \ 287 "cld\n\t" \