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 */
strstarts(const char * str,const char * prefix)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_ */
56