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

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• lib/wcsrchr-impl.h

• /* Search wide string for a wide character.
     Copyright (C) 1999, 2011-2023 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 1999.
  
     This file 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 3 of the
     License, or (at your option) any later version.
  
     This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  wchar_t *
  wcsrchr (const wchar_t *wcs, wchar_t wc)
  {
    /* Calling wcslen and then searching from the other end would cause more
       memory accesses.  Avoid that, at the cost of a few more comparisons.  */
    wchar_t *result = NULL;
  
    for (;; wcs++)
      {
        if (*wcs == wc)
          result = (wchar_t *) wcs;
        if (*wcs == (wchar_t)'\0')
          break;
      }
    return result;
  }
  

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