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linux-next/include/linux/unicode.h
Gabriel Krisman Bertazi 9d53690f0d unicode: implement higher level API for string handling
This patch integrates the utf8n patches with some higher level API to
perform UTF-8 string comparison, normalization and casefolding
operations.  Implemented is a variation of NFD, and casefold is
performed by doing full casefold on top of NFD.  These algorithms are
based on the core implemented by Olaf Weber from SGI.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2019-04-25 13:51:22 -04:00

31 lines
827 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_UNICODE_H
#define _LINUX_UNICODE_H
#include <linux/init.h>
#include <linux/dcache.h>
struct unicode_map {
const char *charset;
int version;
};
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_normalize(const struct unicode_map *um, const struct qstr *str,
unsigned char *dest, size_t dlen);
int utf8_casefold(const struct unicode_map *um, const struct qstr *str,
unsigned char *dest, size_t dlen);
struct unicode_map *utf8_load(const char *version);
void utf8_unload(struct unicode_map *um);
#endif /* _LINUX_UNICODE_H */