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 /* 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 25 extern 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 31 char *str_error_r(int errnum, char *buf, size_t buflen); 32 33 char *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 */ 40 static inline bool strstarts(const char *str, const char *prefix) 41 { 42 return strncmp(str, prefix, strlen(prefix)) == 0; 43 } 44 45 extern char * __must_check skip_spaces(const char *); 46 47 extern char *strim(char *); 48 49 extern void *memchr_inv(const void *start, int c, size_t bytes); 50 #endif /* _TOOLS_LINUX_STRING_H_ */ 51