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 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 }