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 3 of the License, or 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, see <http://www.gnu.org/licenses/>. */ 18 19#include <config.h> 20 21#include <stddef.h> 22#include <string.h> 23 24#undef strcspn 25 26/* Return the length of the maximum initial segment of S 27 which contains no characters from REJECT. */ 28size_t 29strcspn (const char *s, const char *reject) 30{ 31 size_t count = 0; 32 33 while (*s != '\0') 34 if (strchr (reject, *s++) == NULL) 35 ++count; 36 else 37 return count; 38 39 return count; 40} 41