string.h 600 B

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