1 #ifndef BOOT_STRING_H 2 #define BOOT_STRING_H 3 4 /* Undef any of these macros coming from string_32.h. */ 5 #undef memcpy 6 #undef memset 7 #undef memcmp 8 9 void *memcpy(void *dst, const void *src, size_t len); 10 void *memset(void *dst, int c, size_t len); 11 int memcmp(const void *s1, const void *s2, size_t len); 12 13 /* 14 * Access builtin version by default. If one needs to use optimized version, 15 * do "undef memcpy" in .c file and link against right string.c 16 */ 17 #define memcpy(d,s,l) __builtin_memcpy(d,s,l) 18 #define memset(d,c,l) __builtin_memset(d,c,l) 19 #define memcmp __builtin_memcmp 20 21 #endif /* BOOT_STRING_H */ 22