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| 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 | */ |
| 42 | static inline bool strstarts(const char *str, const char *prefix) |
| 43 | { |
| 44 | return strncmp(str, prefix, strlen(prefix)) == 0; |
| 45 | } |
| 46 | |
| 47 | /* |
| 48 | * Checks if a string ends with another. |
| 49 | */ |
| 50 | static inline bool str_ends_with(const char *str, const char *substr) |
| 51 | { |
| 52 | size_t len = strlen(str); |
| 53 | size_t sublen = strlen(substr); |
| 54 | |
| 55 | if (sublen > len) |
| 56 | return false; |
| 57 | |
| 58 | return !strcmp(str + len - sublen, substr); |
| 59 | } |
| 60 | |
| 61 | extern char * __must_check skip_spaces(const char *); |
| 62 | |
| 63 | extern char *strim(char *); |
| 64 | |
| 65 | extern void remove_spaces(char *s); |
| 66 | |
| 67 | extern void *memchr_inv(const void *start, int c, size_t bytes); |
| 68 | extern unsigned long long memparse(const char *ptr, char **retptr); |
| 69 | #endif /* _TOOLS_LINUX_STRING_H_ */ |
| 70 |
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