glibc/locale/duplocale.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

59 lines
1.7 KiB
C

/* Duplicate handle for selection of locales.
Copyright (C) 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <locale.h>
#include <bits/libc-lock.h>
#include <stdlib.h>
#include <localeinfo.h>
/* Lock for protecting global data. */
__libc_lock_define (extern , __libc_setlocale_lock)
__locale_t
__duplocale (__locale_t dataset)
{
__locale_t result;
/* We modify global data. */
__libc_lock_lock (__libc_setlocale_lock);
/* Get memory. */
result = (__locale_t) malloc (sizeof (struct __locale_struct));
if (result != NULL)
{
int cnt;
for (cnt = 0; cnt < __LC_LAST; ++cnt)
if (cnt != LC_ALL)
{
result->__locales[cnt] = dataset->__locales[cnt];
if (result->__locales[cnt]->usage_count < MAX_USAGE_COUNT)
++result->__locales[cnt]->usage_count;
}
}
/* It's done. */
__libc_lock_unlock (__libc_setlocale_lock);
return result;
}