1 /* Copyright (C) 1991, 1994, 1996-1997, 2002-2003, 2005-2006 Free Software Foundation, Inc.
2
3 NOTE: The canonical source of this file is maintained with the GNU C Library.
4 Bugs can be reported to bug-glibc@gnu.org.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
9 later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20 #include <config.h>
21
22 #include <stddef.h>
23 #include <string.h>
24
25 #undef strcspn
26
27 /* Return the length of the maximum initial segment of S
28 which contains no characters from REJECT. */
29 size_t
strcspn(const char * s,const char * reject)30 strcspn (const char *s, const char *reject)
31 {
32 size_t count = 0;
33
34 while (*s != '\0')
35 if (strchr (reject, *s++) == NULL)
36 ++count;
37 else
38 return count;
39
40 return count;
41 }
42