mirror of
https://github.com/coreutils/coreutils.git
synced 2024-12-04 15:33:34 +08:00
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/* hard-locale.c -- Determine whether a locale is hard.
|
|
Copyright 1997, 1998, 1999 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#if HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#ifndef __GNUC__
|
|
# ifdef HAVE_ALLOCA_H
|
|
# include <alloca.h>
|
|
# else
|
|
# ifdef _AIX
|
|
# pragma alloca
|
|
# else
|
|
# ifdef _WIN32
|
|
# include <malloc.h>
|
|
# include <io.h>
|
|
# else
|
|
# ifndef alloca
|
|
char *alloca ();
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#if HAVE_LOCALE_H
|
|
# include <locale.h>
|
|
#endif
|
|
|
|
#if HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
|
|
/* Return nonzero if the current CATEGORY locale is hard, i.e. if you
|
|
can't get away with assuming traditional C or POSIX behavior. */
|
|
int
|
|
hard_locale (int category)
|
|
{
|
|
#if ! (defined ENABLE_NLS && HAVE_SETLOCALE)
|
|
return 0;
|
|
#else
|
|
|
|
int hard = 1;
|
|
char const *p = setlocale (category, 0);
|
|
|
|
if (p)
|
|
{
|
|
# if defined __GLIBC__ && __GLIBC__ >= 2
|
|
if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
|
|
hard = 0;
|
|
# else
|
|
char *locale = alloca (strlen (p) + 1);
|
|
strcpy (locale, p);
|
|
|
|
/* Temporarily set the locale to the "C" and "POSIX" locales to
|
|
find their names, so that we can determine whether one or the
|
|
other is the caller's locale. */
|
|
if (((p = setlocale (category, "C")) && strcmp (p, locale) == 0)
|
|
|| ((p = setlocale (category, "POSIX")) && strcmp (p, locale) == 0))
|
|
hard = 0;
|
|
|
|
/* Restore the caller's locale. */
|
|
setlocale (category, locale);
|
|
# endif
|
|
}
|
|
|
|
return hard;
|
|
|
|
#endif
|
|
}
|