about summary refs log tree commit diff
path: root/wcsmbs/wcscpy.c
blob: 06741fac8fd52f0ccdc9ad37d0d01ba9a4a24fd1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <wchar.h>

#define __need_ptrdiff_t
#include <stddef.h>


/* Copy SRC to DEST.  */
wchar_t *
wcscpy (dest, src)
     wchar_t *dest;
     const wchar_t *src;
{
  wchar_t *wcp = (wchar_t *) src;
  wint_t c;
  const ptrdiff_t off = dest - src - 1;

  do
    {
      c = *wcp++;
      wcp[off] = c;
    }
  while (c != L'\0');

  return dest;
}