/* Copyright (C) 1995-2015 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 WCSCSPN # define wcscspn WCSCSPN #endif /* Return the length of the maximum initial segment of WCS which contains only wide-characters not in REJECT. */ size_t wcscspn (wcs, reject) const wchar_t *wcs; const wchar_t *reject; { size_t count = 0; while (*wcs != L'\0') if (wcschr (reject, *wcs++) == NULL) ++count; else return count; return count; }