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 int strtobool(const char *s, bool *res);
11
12 /*
13 * glibc based builds needs the extern while uClibc doesn't.
14 * However uClibc headers also define __GLIBC__ hence the hack below
15 */
16 #if defined(__GLIBC__) && !defined(__UCLIBC__)
17 // pragma diagnostic was introduced in gcc 4.6
18 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
19 #pragma GCC diagnostic push
20 #pragma GCC diagnostic ignored "-Wredundant-decls"
21 #endif
22 extern size_t strlcpy(char *dest, const char *src, size_t size);
23 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
24 #pragma GCC diagnostic pop
25 #endif
26 #endif
27
28 char *str_error_r(int errnum, char *buf, size_t buflen);
29
30 /**
31 * strstarts - does @str start with @prefix?
32 * @str: string to examine
33 * @prefix: prefix to look for.
34 */
strstarts(const char * str,const char * prefix)35 static inline bool strstarts(const char *str, const char *prefix)
36 {
37 return strncmp(str, prefix, strlen(prefix)) == 0;
38 }
39
40 #endif /* _LINUX_STRING_H_ */
41