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

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• Hash : 994d0a36
  Author :
  Date : 2011-02-05T13:07:51
  

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

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• lib/wmemmove-impl.h

• /* Copy wide character array.
     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 *
  wmemmove (wchar_t *dest, const wchar_t *src, size_t n)
  {
    if (dest < src)
      {
        wchar_t *destptr = dest;
        const wchar_t *srcptr = src;
        for (; n > 0; n--)
          *destptr++ = *srcptr++;
      }
    else if (dest > src)
      {
        wchar_t *destptr = dest + n - 1;
        const wchar_t *srcptr = src + n - 1;
        for (; n > 0; n--)
          *destptr-- = *srcptr--;
      }
    return dest;
  }
  

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