/* Duplicate handle for selection of locales. Copyright (C) 1997 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 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., 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_ALL; ++cnt) { 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; }