string.h 1.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef BOOT_STRING_H
  3. #define BOOT_STRING_H
  4. /* Undef any of these macros coming from string_32.h. */
  5. #undef memcpy
  6. #undef memset
  7. #undef memcmp
  8. void *memcpy(void *dst, const void *src, size_t len);
  9. void *memset(void *dst, int c, size_t len);
  10. int memcmp(const void *s1, const void *s2, size_t len);
  11. /*
  12. * Access builtin version by default. If one needs to use optimized version,
  13. * do "undef memcpy" in .c file and link against right string.c
  14. */
  15. #define memcpy(d,s,l) __builtin_memcpy(d,s,l)
  16. #define memset(d,c,l) __builtin_memset(d,c,l)
  17. #define memcmp __builtin_memcmp
  18. extern int strcmp(const char *str1, const char *str2);
  19. extern int strncmp(const char *cs, const char *ct, size_t count);
  20. extern size_t strlen(const char *s);
  21. extern char *strstr(const char *s1, const char *s2);
  22. extern char *strchr(const char *s, int c);
  23. extern size_t strnlen(const char *s, size_t maxlen);
  24. extern unsigned int atou(const char *s);
  25. extern unsigned long long simple_strtoull(const char *cp, char **endp,
  26. unsigned int base);
  27. #endif /* BOOT_STRING_H */