1 /* Lowercase mapping for UTF-16 substrings (locale dependent).
2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
3    Written by Bruno Haible <bruno@clisp.org>, 2009.
4 
5    This file is free software.
6    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
7    You can redistribute it and/or modify it under either
8      - the terms of the GNU Lesser General Public License as published
9        by the Free Software Foundation; either version 3, or (at your
10        option) any later version, or
11      - the terms of the GNU General Public License as published by the
12        Free Software Foundation; either version 2, or (at your option)
13        any later version, or
14      - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
15 
16    This file is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19    Lesser General Public License and the GNU General Public License
20    for more details.
21 
22    You should have received a copy of the GNU Lesser General Public
23    License and of the GNU General Public License along with this
24    program.  If not, see <https://www.gnu.org/licenses/>.  */
25 
26 #include <config.h>
27 
28 /* Specification.  */
29 #include "unicase.h"
30 
31 #include <stddef.h>
32 
33 #include "unicase/unicasemap.h"
34 #include "unicase/special-casing.h"
35 
36 uint16_t *
u16_ct_tolower(const uint16_t * s,size_t n,casing_prefix_context_t prefix_context,casing_suffix_context_t suffix_context,const char * iso639_language,uninorm_t nf,uint16_t * resultbuf,size_t * lengthp)37 u16_ct_tolower (const uint16_t *s, size_t n,
38                 casing_prefix_context_t prefix_context,
39                 casing_suffix_context_t suffix_context,
40                 const char *iso639_language,
41                 uninorm_t nf,
42                 uint16_t *resultbuf, size_t *lengthp)
43 {
44   return u16_casemap (s, n, prefix_context, suffix_context, iso639_language,
45                       uc_tolower, offsetof (struct special_casing_rule, lower[0]),
46                       nf,
47                       resultbuf, lengthp);
48 }
49