string.h 1.4 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. char **argv_split(const char *str, int *argcp);
  8. void argv_free(char **argv);
  9. int strtobool(const char *s, bool *res);
  10. /*
  11. * glibc based builds needs the extern while uClibc doesn't.
  12. * However uClibc headers also define __GLIBC__ hence the hack below
  13. */
  14. #if defined(__GLIBC__) && !defined(__UCLIBC__)
  15. // pragma diagnostic was introduced in gcc 4.6
  16. #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  17. #pragma GCC diagnostic push
  18. #pragma GCC diagnostic ignored "-Wredundant-decls"
  19. #endif
  20. extern size_t strlcpy(char *dest, const char *src, size_t size);
  21. #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  22. #pragma GCC diagnostic pop
  23. #endif
  24. #endif
  25. char *str_error_r(int errnum, char *buf, size_t buflen);
  26. char *strreplace(char *s, char old, char new);
  27. /**
  28. * strstarts - does @str start with @prefix?
  29. * @str: string to examine
  30. * @prefix: prefix to look for.
  31. */
  32. static inline bool strstarts(const char *str, const char *prefix)
  33. {
  34. return strncmp(str, prefix, strlen(prefix)) == 0;
  35. }
  36. extern char * __must_check skip_spaces(const char *);
  37. extern char *strim(char *);
  38. extern void *memchr_inv(const void *start, int c, size_t bytes);
  39. #endif /* _TOOLS_LINUX_STRING_H_ */