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

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• Hash : 5768aa52
  Author :
  Date : 2011-02-06T13:42:05
  

  New module 'wcsdup'.
  
  * modules/wcsdup: New file.
  * lib/wchar.in.h (wcsdup): New declaration.
  * lib/wcsdup.c: New file.
  * lib/wcsdup-impl.h: New file, from libutf8 with modifications.
  * m4/wcsdup.m4: New file.
  * m4/wchar_h.m4 (gl_WCHAR_H): Test whether wcsdup is declared.
  (gl_WCHAR_H_DEFAULTS): Initialize GNULIB_WCSDUP, HAVE_WCSDUP.
  * modules/wchar (Makefile.am): Substitute GNULIB_WCSDUP, HAVE_WCSDUP.
  * tests/test-wchar-c++.cc: Test the declaration of wcsdup.
  * doc/posix-functions/wcsdup.texi: Mention the new module.
  

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• lib/wcsdup-impl.h

• /* Duplicate a wide string.
     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/>.  */
  
  wchar_t *
  wcsdup (const wchar_t *s)
  {
    size_t n = wcslen (s) + 1;
    wchar_t *copy = (wchar_t *) malloc (n * sizeof (wchar_t));
    if (copy != NULL)
      return wmemcpy (copy, s, n);
    else
      /* The glibc documentation does not say that errno should be set to ENOMEM
         here.  */
      return NULL;
  }
  

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