LXR linux/tools/include/linux/string.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _TOOLS_LINUX_STRING_H_
   3#define _TOOLS_LINUX_STRING_H_
   4
   5#include <linux/types.h>        /* for size_t */
   6#include <string.h>
   7
   8void *memdup(const void *src, size_t len);
   9
  10char **argv_split(const char *str, int *argcp);
  11void argv_free(char **argv);
  12
  13int strtobool(const char *s, bool *res);
  14
  15/*
  16 * glibc based builds needs the extern while uClibc doesn't.
  17 * However uClibc headers also define __GLIBC__ hence the hack below
  18 */
  19#if defined(__GLIBC__) && !defined(__UCLIBC__)
  20// pragma diagnostic was introduced in gcc 4.6
  21#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  22#pragma GCC diagnostic push
  23#pragma GCC diagnostic ignored "-Wredundant-decls"
  24#endif
  25extern size_t strlcpy(char *dest, const char *src, size_t size);
  26#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  27#pragma GCC diagnostic pop
  28#endif
  29#endif
  30
  31char *str_error_r(int errnum, char *buf, size_t buflen);
  32
  33char *strreplace(char *s, char old, char new);
  34
  35/**
  36 * strstarts - does @str start with @prefix?
  37 * @str: string to examine
  38 * @prefix: prefix to look for.
  39 */
  40static inline bool strstarts(const char *str, const char *prefix)
  41{
  42        return strncmp(str, prefix, strlen(prefix)) == 0;
  43}
  44
  45extern char * __must_check skip_spaces(const char *);
  46
  47extern char *strim(char *);
  48
  49extern void *memchr_inv(const void *start, int c, size_t bytes);
  50#endif /* _TOOLS_LINUX_STRING_H_ */
  51