diff options
| -rw-r--r-- | include/linux/string.h | 10 | ||||
| -rw-r--r-- | include/string.h | 1 | ||||
| -rw-r--r-- | lib/string.c | 9 |
3 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index 58e2a4d2ea..55bc905c0e 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -136,4 +136,14 @@ extern int kstrtobool(const char *s, bool *res); int match_string(const char * const *array, size_t n, const char *string); +/** + * strstarts - does @str start with @prefix? + * @str: string to examine + * @prefix: prefix to look for. + */ +static inline bool strstarts(const char *str, const char *prefix) +{ + return strncmp(str, prefix, strlen(prefix)) == 0; +} + #endif /* _LINUX_STRING_H_ */ diff --git a/include/string.h b/include/string.h index ef0b5e199e..d423bee6fb 100644 --- a/include/string.h +++ b/include/string.h @@ -7,6 +7,7 @@ int strtobool(const char *str, int *val); char *strsep_unescaped(char **, const char *); char *stpcpy(char *dest, const char *src); +bool strends(const char *str, const char *postfix); void *__default_memset(void *, int, __kernel_size_t); void *__nokasan_default_memset(void *, int, __kernel_size_t); diff --git a/lib/string.c b/lib/string.c index dbb66fe4d2..bad186586f 100644 --- a/lib/string.c +++ b/lib/string.c @@ -866,6 +866,15 @@ int strtobool(const char *str, int *val) } EXPORT_SYMBOL(strtobool); +bool strends(const char *str, const char *postfix) +{ + if (strlen(str) < strlen(postfix)) + return false; + + return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0; +} +EXPORT_SYMBOL(strends); + /** * match_string - matches given string in an array * @array: array of strings |