libexplain  1.4.D001
libexplain/adjtime_on_error.c
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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,
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/errno.h>
00020 #include <libexplain/ac/sys/time.h>
00021 
00022 #include <libexplain/adjtime.h>
00023 #include <libexplain/output.h>
00024 
00025 
00026 int
00027 explain_adjtime_on_error(const struct timeval *delta, struct timeval *olddelta)
00028 {
00029     int             result;
00030 
00031     /* We have to cast away const-ness because Solaris is broken. */
00032     result = adjtime((struct timeval *)delta, olddelta);
00033     if (result < 0)
00034     {
00035         int             hold_errno;
00036 
00037         hold_errno = errno;
00038         explain_output_error
00039         (
00040             "%s",
00041             explain_errno_adjtime(hold_errno, delta, olddelta)
00042         );
00043         errno = hold_errno;
00044     }
00045     return result;
00046 }
00047 
00048 
00049 /* vim: set ts=8 sw=4 et : */