libexplain  1.4.D001
libexplain/closedir_or_die.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2008-2010, 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,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser 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/dirent.h>
00020 #include <libexplain/ac/errno.h>
00021 
00022 #include <libexplain/closedir.h>
00023 #include <libexplain/output.h>
00024 
00025 
00026 int
00027 explain_closedir_on_error(DIR *dir)
00028 {
00029     int             result;
00030 
00031     result = closedir(dir);
00032     if (result < 0)
00033     {
00034         int             hold_errno;
00035 
00036         hold_errno = errno;
00037         explain_output_error("%s", explain_errno_closedir(hold_errno, dir));
00038         errno = hold_errno;
00039     }
00040     return result;
00041 }
00042 
00043 
00044 void
00045 explain_closedir_or_die(DIR *dir)
00046 {
00047     if (explain_closedir_on_error(dir) < 0)
00048     {
00049         explain_output_exit_failure();
00050     }
00051 }
00052 
00053 
00054 /* vim: set ts=8 sw=4 et : */