kc3-lang/gnulib/lib/wcspbrk-impl.h

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• Hash : 281b825e
  Author :
  Date : 2018-01-01T00:57:25
  

  maint: Run 'make update-copyright'
  

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• lib/wcspbrk-impl.h

• /* Search a wide string for any of a set of wide characters.
     Copyright (C) 1999, 2011-2018 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 <https://www.gnu.org/licenses/>.  */
  
  wchar_t *
  wcspbrk (const wchar_t *wcs, const wchar_t *accept)
  {
    /* Optimize two cases.  */
    if (accept[0] == (wchar_t)'\0')
      return NULL;
  
    if (accept[1] == (wchar_t)'\0')
      {
        wchar_t wc = accept[0];
        const wchar_t *ptr = wcs;
        for (; *ptr != (wchar_t)'\0'; ptr++)
          {
            if (*ptr == wc)
              return (wchar_t *) ptr;
          }
        return NULL;
      }
  
    /* General case.  */
    {
      const wchar_t *ptr = wcs;
      for (; *ptr != (wchar_t)'\0'; ptr++)
        {
          if (wcschr (accept, *ptr))
            return (wchar_t *) ptr;
        }
      return NULL;
    }
  }
  

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