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
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