glibc/locale/setlocale.c
1995-02-18 01:27:10 +00:00

46 lines
1.6 KiB
C

/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <localeinfo.h>
#include <errno.h>
#include <locale.h>
#include <string.h>
/* Switch to the locale called NAME in CATEGORY.
Return a string describing the locale. This string can
be used as the NAME argument in a later call.
If NAME is NULL, don't switch locales, but return the current one.
If NAME is "", switch to a locale based on the environment variables,
as per POSIX. Return NULL on error. */
char *
DEFUN(setlocale, (category, name), int category AND CONST char *name)
{
/* Braindead implementation until I finish the fancy one. */
if (name == NULL || name[0] == '\0')
return (char *) "C";
if (!strcmp(name, "C") || !strcmp(name, "POSIX"))
return (char *) name;
errno = EINVAL;
return NULL;
}