sortix-mirror/libc/grp/setgrent.cpp

/*******************************************************************************

    Copyright(C) Jonas 'Sortie' Termansen 2013, 2015.

    This file is part of the Sortix C Library.

    The Sortix 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 3 of the License, or (at your
    option) any later version.

    The Sortix 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 Sortix C Library. If not, see <http://www.gnu.org/licenses/>.

    grp/setgrent.cpp
    Rewinds the group database.

*******************************************************************************/

#include <grp.h>
#include <stdio.h>

extern "C" { FILE* __grp_file = NULL; }

extern "C" void setgrent(void)
{
	if ( __grp_file )
		rewind(__grp_file);
	else
		__grp_file = opengr();
}