1/* Internal functions for Unicode character case mappings.
2   Copyright (C) 2009-2010 Free Software Foundation, Inc.
3   Written by Bruno Haible <bruno@clisp.org>, 2009.
4
5   This program is free software: you can redistribute it and/or modify it
6   under the terms of the GNU Lesser General Public License as published
7   by the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18#include <stdbool.h>
19#include <stddef.h>
20
21#include "unitypes.h"
22#include "uninorm.h"
23
24/* Return true if mapping NFD(S) to via MAPPING is a no-op.  */
25extern int
26       u8_is_invariant (const uint8_t *s, size_t n,
27                        uint8_t * (*mapping) (const uint8_t *s, size_t n, const char *iso639_language,
28                                              uninorm_t nf,
29                                              uint8_t *resultbuf, size_t *lengthp),
30                        const char *iso639_language,
31                        bool *resultp);
32extern int
33       u16_is_invariant (const uint16_t *s, size_t n,
34                         uint16_t * (*mapping) (const uint16_t *s, size_t n, const char *iso639_language,
35                                                uninorm_t nf,
36                                                uint16_t *resultbuf, size_t *lengthp),
37                         const char *iso639_language,
38                         bool *resultp);
39extern int
40       u32_is_invariant (const uint32_t *s, size_t n,
41                         uint32_t * (*mapping) (const uint32_t *s, size_t n, const char *iso639_language,
42                                                uninorm_t nf,
43                                                uint32_t *resultbuf, size_t *lengthp),
44                         const char *iso639_language,
45                         bool *resultp);
46