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
   8 void *memdup(const void *src, size_t len);
   9
  10 char **argv_split(const char *str, int *argcp);
  11 void argv_free(char **argv);
  12
  13 int strtobool(const char *s, bool *res);
  14
  15 #define strscpy strcpy
  16
  17 /*
  18  * glibc based builds needs the extern while uClibc doesn't.
  19  * However uClibc headers also define __GLIBC__ hence the hack below
  20  */
  21 #if defined(__GLIBC__) && !defined(__UCLIBC__)
  22 // pragma diagnostic was introduced in gcc 4.6
  23 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  24 #pragma GCC diagnostic push
  25 #pragma GCC diagnostic ignored "-Wredundant-decls"
  26 #endif
  27 extern size_t strlcpy(char *dest, const char *src, size_t size);
  28 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
  29 #pragma GCC diagnostic pop
  30 #endif
  31 #endif
  32
  33 char *str_error_r(int errnum, char *buf, size_t buflen);
  34
  35 char *strreplace(char *s, char old, char new);
  36
  37 /**
  38  * strstarts - does @str start with @prefix?
  39  * @str: string to examine
  40  * @prefix: prefix to look for.
  41  */
  42 static inline bool strstarts(const char *str, const char *prefix)
  43 {
  44         return strncmp(str, prefix, strlen(prefix)) == 0;
  45 }
  46
  47 extern char * __must_check skip_spaces(const char *);
  48
  49 extern char *strim(char *);
  50
  51 extern void remove_spaces(char *s);
  52
  53 extern void *memchr_inv(const void *start, int c, size_t bytes);
  54 extern unsigned long long memparse(const char *ptr, char **retptr);
  55 #endif /* _TOOLS_LINUX_STRING_H_ */