blob: 5d4de5180fbabf10f3b0f8d5c0c7100a429e5abc (
plain)
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* Look at first character in UTF-32 string.
Copyright (C) 2002, 2006-2007, 2009-2015 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2002.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#if defined IN_LIBUNISTRING
/* Tell unistr.h to declare u32_mbtouc as 'extern', not 'static inline'. */
# include "unistring-notinline.h"
#endif
/* Specification. */
#include "unistr.h"
#if !HAVE_INLINE
int
u32_mbtouc (ucs4_t *puc, const uint32_t *s, size_t n)
{
uint32_t c = *s;
if (c < 0xd800 || (c >= 0xe000 && c < 0x110000))
*puc = c;
else
/* invalid multibyte character */
*puc = 0xfffd;
return 1;
}
#endif
|
