+
−/* Search a wide string for any of a set of wide characters.
+
−   Copyright (C) 1999, 2011 Free Software Foundation, Inc.
+
−   Written by Bruno Haible <bruno@clisp.org>, 1999.
+
−
+
−   This program is free software: you can redistribute it and/or modify
+
−   it under the terms of the GNU General Public License as published by
+
−   the Free Software Foundation; either version 3 of the License, or
+
−   (at your option) any later version.
+
−
+
−   This program 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 General Public License for more details.
+
−
+
−   You should have received a copy of the GNU General Public License
+
−   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
−
+
−size_t
+
−wcscspn (const wchar_t *wcs, const wchar_t *reject)
+
−{
+
−  /* Optimize two cases.  */
+
−  if (reject[0] == (wchar_t)'\0')
+
−    return wcslen (wcs);
+
−
+
−  if (reject[1] == (wchar_t)'\0')
+
−    {
+
−      wchar_t wc = reject[0];
+
−      const wchar_t *ptr = wcs;
+
−      for (; *ptr != (wchar_t)'\0'; ptr++)
+
−        {
+
−          if (*ptr == wc)
+
−            break;
+
−        }
+
−      return ptr - wcs;
+
−    }
+
−
+
−  /* General case.  */
+
−  {
+
−    const wchar_t *ptr = wcs;
+
−    for (; *ptr != (wchar_t)'\0'; ptr++)
+
−      {
+
−        if (wcschr (reject, *ptr))
+
−          break;
+
−      }
+
−    return ptr - wcs;
+
−  }
+
−}