1/* Copyright (C) 2000 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3   Contributed by Ulrich Drepper <drepper@gnu.org>, 2000.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20#include "../locale/outdigits.h"
21#include "../locale/outdigitswc.h"
22
23static CHAR_T *
24_i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr)
25{
26  CHAR_T *src, *s;
27
28  /* Copy existing string so that nothing gets overwritten.  */
29  src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T));
30  s = (CHAR_T *) __mempcpy (src, w,
31			    (rear_ptr - w) * sizeof (CHAR_T));
32  w = rear_ptr;
33
34  /* Process all characters in the string.  */
35  while (--s >= src)
36    {
37      if (*s >= '0' && *s <= '9')
38	{
39	  if (sizeof (CHAR_T) == 1)
40	    w = (CHAR_T *) outdigit_value ((char *) w, *s - '0');
41	  else
42	    *--w = (CHAR_T) outdigitwc_value (*s - '0');
43	}
44      else
45	*--w = *s;
46    }
47
48  return w;
49}
50