/* Copyright (C) 1995-2013 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> /* Return the length of the maximum initial segment of WCS which contains only wide-characters in ACCEPT. */ size_t wcsspn (wcs, accept) const wchar_t *wcs; const wchar_t *accept; { register const wchar_t *p; register const wchar_t *a; register size_t count = 0; for (p = wcs; *p != L'\0'; ++p) { for (a = accept; *a != L'\0'; ++a) if (*p == *a) break; if (*a == L'\0') return count; else ++count; } return count; } libc_hidden_def (wcsspn)