string.h 1.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _TOOLS_LINUX_STRING_H_
  3. #define _TOOLS_LINUX_STRING_H_
  4. #include <linux/types.h> /* for size_t */
  5. #include <string.h>
  6. void *memdup(const void *src, size_t len);
  7. int strtobool(const char *s, bool *res);
  8. /*
  9. * glibc based builds needs the extern while uClibc doesn't.
  10. * However uClibc headers also define __GLIBC__ hence the hack below
  11. */
  12. #if defined(__GLIBC__) && !defined(__UCLIBC__)
  13. // pragma diagnostic was introduced in gcc 4.6
  14. #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  15. #pragma GCC diagnostic push
  16. #pragma GCC diagnostic ignored "-Wredundant-decls"
  17. #endif
  18. extern size_t strlcpy(char *dest, const char *src, size_t size);
  19. #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  20. #pragma GCC diagnostic pop
  21. #endif
  22. #endif
  23. char *str_error_r(int errnum, char *buf, size_t buflen);
  24. /**
  25. * strstarts - does @str start with @prefix?
  26. * @str: string to examine
  27. * @prefix: prefix to look for.
  28. */
  29. static inline bool strstarts(const char *str, const char *prefix)
  30. {
  31. return strncmp(str, prefix, strlen(prefix)) == 0;
  32. }
  33. #endif /* _LINUX_STRING_H_ */