1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_UNICODE_H 3 #define _LINUX_UNICODE_H 4 5 #include <linux/init.h> 6 #include <linux/dcache.h> 7 8 struct unicode_map { 9 const char *charset; 10 int version; 11 }; 12 13 int utf8_validate(const struct unicode_map *um, const struct qstr *str); 14 15 int utf8_strncmp(const struct unicode_map *um, 16 const struct qstr *s1, const struct qstr *s2); 17 18 int utf8_strncasecmp(const struct unicode_map *um, 19 const struct qstr *s1, const struct qstr *s2); 20 int utf8_strncasecmp_folded(const struct unicode_map *um, 21 const struct qstr *cf, 22 const struct qstr *s1); 23 24 int utf8_normalize(const struct unicode_map *um, const struct qstr *str, 25 unsigned char *dest, size_t dlen); 26 27 int utf8_casefold(const struct unicode_map *um, const struct qstr *str, 28 unsigned char *dest, size_t dlen); 29 30 int utf8_casefold_hash(const struct unicode_map *um, const void *salt, 31 struct qstr *str); 32 33 struct unicode_map *utf8_load(const char *version); 34 void utf8_unload(struct unicode_map *um); 35 36 #endif /* _LINUX_UNICODE_H */ 37