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

• /* Compare two wide strings ignoring case.
     Copyright (C) 1999, 2011-2018 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 2011.
  
     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/>.  */
  
  int
  wcscasecmp (const wchar_t *s1, const wchar_t *s2)
  {
    for (;;)
      {
        wchar_t wc1 = towlower (*s1++);
        wchar_t wc2 = towlower (*s2++);
        if (wc1 != (wchar_t)'\0' && wc1 == wc2)
          continue;
        /* Note that wc1 and wc2 each have at most 31 bits.  */
        return (int)wc1 - (int)wc2;
               /* > 0 if wc1 > wc2, < 0 if wc1 < wc2,
                  = 0 if wc1 and wc2 are both '\0'.  */
      }
  }
  

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