libexplain  1.4.D001
libexplain/futimens_or_die.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 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/sys/stat.h>
00021 #include <libexplain/ac/sys/time.h>
00022 
00023 #include <libexplain/futimens.h>
00024 #include <libexplain/output.h>
00025 
00026 
00027 void
00028 explain_futimens_or_die(int fildes, const struct timespec *data)
00029 {
00030     if (explain_futimens_on_error(fildes, data) < 0)
00031     {
00032         explain_output_exit_failure();
00033     }
00034 }
00035 
00036 
00037 int
00038 explain_futimens_on_error(int fildes, const struct timespec *data)
00039 {
00040     int             result;
00041 
00042 #ifdef HAVE_FUTIMENS
00043     result = futimens(fildes, data);
00044 #else
00045     errno = ENOSYS;
00046     result = -1;
00047 #endif
00048     if (result < 0)
00049     {
00050         int             hold_errno;
00051 
00052         hold_errno = errno;
00053         explain_output_error
00054         (
00055             "%s",
00056             explain_errno_futimens(hold_errno, fildes, data)
00057         );
00058         errno = hold_errno;
00059     }
00060     return result;
00061 }
00062 
00063 
00064 /* vim: set ts=8 sw=4 et : */