blob: ae26506b3b240c0bffdf5377723a9463ad67e90c (
plain) (
blame)
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
44
45
46
47
|
/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <wchar.h>
#ifdef WCSSPN
# define wcsspn WCSSPN
#endif
/* Return the length of the maximum initial segment
of WCS which contains only wide-characters in ACCEPT. */
size_t
wcsspn (const wchar_t *wcs, const wchar_t *accept)
{
const wchar_t *p;
const wchar_t *a;
size_t count = 0;
for (p = wcs; *p != L'\0'; ++p)
{
for (a = accept; *a != L'\0'; ++a)
if (*p == *a)
break;
if (*a == L'\0')
return count;
else
++count;
}
return count;
}
libc_hidden_def (wcsspn)
|
