gconv conversion module for DEC-MCS.
[glibc/history.git] / wcsmbs / wcscspn.c
blob221738d098f9b490fed45898a3a359d3d1b9fc0a
1 /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <wchar.h>
23 /* Return the length of the maximum initial segment
24 of WCS which contains only wide-characters not in REJECT. */
25 size_t
26 wcscspn (wcs, reject)
27 const wchar_t *wcs;
28 const wchar_t *reject;
30 register size_t count = 0;
32 while (*wcs != L'\0')
33 if (wcschr (reject, *wcs++) == NULL)
34 ++count;
35 else
36 return count;
38 return count;