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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_UNICODE_H#define _LINUX_UNICODE_H
#include <linux/init.h>#include <linux/dcache.h>
struct utf8data;struct utf8data_table;
#define UNICODE_MAJ_SHIFT 16#define UNICODE_MIN_SHIFT 8
#define UNICODE_AGE(MAJ, MIN, REV) \ (((unsigned int)(MAJ) << UNICODE_MAJ_SHIFT) | \ ((unsigned int)(MIN) << UNICODE_MIN_SHIFT) | \ ((unsigned int)(REV)))
#define UTF8_LATEST UNICODE_AGE(12, 1, 0)
static inline u8 unicode_major(unsigned int age){ return (age >> UNICODE_MAJ_SHIFT) & 0xff;}
static inline u8 unicode_minor(unsigned int age){ return (age >> UNICODE_MIN_SHIFT) & 0xff;}
static inline u8 unicode_rev(unsigned int age){ return age & 0xff;}
/* * Two normalization forms are supported: * 1) NFDI * - Apply unicode normalization form NFD. * - Remove any Default_Ignorable_Code_Point. * 2) NFDICF * - Apply unicode normalization form NFD. * - Remove any Default_Ignorable_Code_Point. * - Apply a full casefold (C + F). */enum utf8_normalization { UTF8_NFDI = 0, UTF8_NFDICF, UTF8_NMAX,};
struct unicode_map { unsigned int version; const struct utf8data *ntab[UTF8_NMAX]; const struct utf8data_table *tables; struct rcu_head rcu;};
int utf8_validate(const struct unicode_map *um, const struct qstr *str);
int utf8_strncmp(const struct unicode_map *um, const struct qstr *s1, const struct qstr *s2);
int utf8_strncasecmp(const struct unicode_map *um, const struct qstr *s1, const struct qstr *s2);int utf8_strncasecmp_folded(const struct unicode_map *um, const struct qstr *cf, const struct qstr *s1);
int utf8_casefold(const struct unicode_map *um, const struct qstr *str, unsigned char *dest, size_t dlen);
int utf8_casefold_hash(const struct unicode_map *um, const void *salt, struct qstr *str);
struct unicode_map *utf8_load(unsigned int version);void utf8_unload(struct unicode_map *um);
int utf8_parse_version(char *version);
#endif /* _LINUX_UNICODE_H */