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memrev variants only doing the work if the target host is big endian

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antirez 2011-03-09 17:28:16 +01:00
parent bcde63785d
commit b5325132f1
1 changed files with 10 additions and 0 deletions
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10
src/endian.h
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@ -5,4 +5,14 @@ void memrev16(void *p);
void memrev32(void *p);
void memrev64(void *p);
/* variants of the function doing the actual convertion only if the target
* host is big endian */
#if (BYTE_ORDER == LITTLE_ENDIAN)
#define memrev16ifbe(p)
#define memrev32ifbe(p)
#define memrev64ifbe(p)
#else
#define memrev16ifbe(p) memrev16(p)
#define memrev32ifbe(p) memrev32(p)
#define memrev64ifbe(p) memrev64(p)
#endif