1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2018 Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com>
*/
#ifndef _APFS_UNICODE_H
#define _APFS_UNICODE_H
#include <linux/nls.h>
/*
* This structure helps apfs_normalize_next() to retrieve one normalized
* (and case-folded) UTF-32 character at a time from a UTF-8 string.
*/
struct apfs_unicursor {
const char *utf8curr; /* Start of UTF-8 to decompose and reorder */
unsigned int total_len; /* Length of the whole UTF-8 string */
int length; /* Length of normalization until next starter */
int last_pos; /* Offset in substring of last char returned */
u8 last_ccc; /* CCC of the last character returned */
};
extern void apfs_init_unicursor(struct apfs_unicursor *cursor, const char *utf8str, unsigned int total_len);
extern unicode_t apfs_normalize_next(struct apfs_unicursor *cursor,
bool case_fold);
#endif /* _APFS_UNICODE_H */
|
