Update.
[glibc.git] / stdio-common / _i18n_number.h
blobd911cf75107bcd6a7d0c6add69c6dfdc358283ba
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.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include "../locale/outdigits.h"
21 #include "../locale/outdigitswc.h"
23 static CHAR_T *
24 _i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr)
26 CHAR_T *src, *s;
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;
34 /* Process all characters in the string. */
35 while (--s >= src)
37 if (*s >= '0' && *s <= '9')
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');
44 else
45 *--w = *s;
48 return w;