(root)/
glibc-2.38/
wcsmbs/
wmemset.c
       1  /* Copyright (C) 1996-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <wchar.h>
      19  
      20  #ifdef WMEMSET
      21  # define __wmemset WMEMSET
      22  #endif
      23  
      24  wchar_t *
      25  __wmemset (wchar_t *s, wchar_t c, size_t n)
      26  {
      27    wchar_t *wp = s;
      28  
      29    while (n >= 4)
      30      {
      31        wp[0] = c;
      32        wp[1] = c;
      33        wp[2] = c;
      34        wp[3] = c;
      35        wp += 4;
      36        n -= 4;
      37      }
      38  
      39    if (n > 0)
      40      {
      41        wp[0] = c;
      42  
      43        if (n > 1)
      44  	{
      45  	  wp[1] = c;
      46  
      47  	  if (n > 2)
      48  	    wp[2] = c;
      49  	}
      50      }
      51  
      52    return s;
      53  }
      54  libc_hidden_def (__wmemset)
      55  weak_alias (__wmemset, wmemset)
      56  libc_hidden_weak (wmemset)