1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _TOOLS_LINUX_STRING_H_
3*4882a593Smuzhiyun #define _TOOLS_LINUX_STRING_H_
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/types.h> /* for size_t */
6*4882a593Smuzhiyun #include <string.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun void *memdup(const void *src, size_t len);
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun char **argv_split(const char *str, int *argcp);
11*4882a593Smuzhiyun void argv_free(char **argv);
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun int strtobool(const char *s, bool *res);
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun * glibc based builds needs the extern while uClibc doesn't.
17*4882a593Smuzhiyun * However uClibc headers also define __GLIBC__ hence the hack below
18*4882a593Smuzhiyun */
19*4882a593Smuzhiyun #if defined(__GLIBC__) && !defined(__UCLIBC__)
20*4882a593Smuzhiyun // pragma diagnostic was introduced in gcc 4.6
21*4882a593Smuzhiyun #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
22*4882a593Smuzhiyun #pragma GCC diagnostic push
23*4882a593Smuzhiyun #pragma GCC diagnostic ignored "-Wredundant-decls"
24*4882a593Smuzhiyun #endif
25*4882a593Smuzhiyun extern size_t strlcpy(char *dest, const char *src, size_t size);
26*4882a593Smuzhiyun #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
27*4882a593Smuzhiyun #pragma GCC diagnostic pop
28*4882a593Smuzhiyun #endif
29*4882a593Smuzhiyun #endif
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun char *str_error_r(int errnum, char *buf, size_t buflen);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun char *strreplace(char *s, char old, char new);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun /**
36*4882a593Smuzhiyun * strstarts - does @str start with @prefix?
37*4882a593Smuzhiyun * @str: string to examine
38*4882a593Smuzhiyun * @prefix: prefix to look for.
39*4882a593Smuzhiyun */
strstarts(const char * str,const char * prefix)40*4882a593Smuzhiyun static inline bool strstarts(const char *str, const char *prefix)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun return strncmp(str, prefix, strlen(prefix)) == 0;
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun extern char * __must_check skip_spaces(const char *);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun extern char *strim(char *);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun extern void *memchr_inv(const void *start, int c, size_t bytes);
50*4882a593Smuzhiyun #endif /* _TOOLS_LINUX_STRING_H_ */
51