libexplain  1.4.D001
libexplain/setgroups_on_error.c
Go to the documentation of this file.
00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2010, 2012, 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify it
00006  * under the terms of the GNU Lesser General Public License as published by
00007  * the Free Software Foundation; either version 3 of the License, or (at
00008  * your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
00013  * General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public License
00016  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #include <libexplain/ac/errno.h>
00020 #include <libexplain/ac/grp.h>
00021 #include <libexplain/ac/unistd.h>
00022 
00023 #include <libexplain/setgroups.h>
00024 #include <libexplain/output.h>
00025 
00026 
00027 int
00028 explain_setgroups_on_error(size_t data_size, const gid_t *data)
00029 {
00030     int             result;
00031 
00032     result = setgroups(data_size, data);
00033     if (result < 0)
00034     {
00035         int             hold_errno;
00036 
00037         hold_errno = errno;
00038         explain_output_error("%s", explain_errno_setgroups(hold_errno,
00039             data_size, data));
00040         errno = hold_errno;
00041     }
00042     return result;
00043 }
00044 
00045 
00046 /* vim: set ts=8 sw=4 et : */