1 /* hard-locale.c -- Determine whether a locale is hard.
2 Copyright 1997, 1998, 1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 # define alloca __builtin_alloca
51 /* Return nonzero if the current CATEGORY locale is hard, i.e. if you
52 can't get away with assuming traditional C or POSIX behavior. */
54 hard_locale (int category
)
56 #if ! (defined ENABLE_NLS && HAVE_SETLOCALE)
61 char const *p
= setlocale (category
, 0);
65 # if defined __GLIBC__ && __GLIBC__ >= 2
66 if (strcmp (p
, "C") == 0 || strcmp (p
, "POSIX") == 0)
69 char *locale
= alloca (strlen (p
) + 1);
72 /* Temporarily set the locale to the "C" and "POSIX" locales to
73 find their names, so that we can determine whether one or the
74 other is the caller's locale. */
75 if (((p
= setlocale (category
, "C")) && strcmp (p
, locale
) == 0)
76 || ((p
= setlocale (category
, "POSIX")) && strcmp (p
, locale
) == 0))
79 /* Restore the caller's locale. */
80 setlocale (category
, locale
);