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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008, 2009 Peter Miller
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/time.h>
#include <libexplain/ac/utime.h>
#include <libexplain/futimes.h>
#include <libexplain/strtod.h>
#include <libexplain/strtol.h>
#include <libexplain/wrap_and_print.h>
#include <explain/syscall/futimes.h>
static void
timeval_or_die(const char *s, struct timeval *tv)
{
double n;
n = explain_strtod_or_die(s, 0);
tv->tv_sec = (long)n;
tv->tv_usec = (long)((n - tv->tv_sec) * 1e6);
}
void
explain_syscall_futimes(int errnum, int argc, char **argv)
{
int fildes;
struct timeval tv[2];
switch (argc)
{
case 1:
fildes = explain_strtol_or_die(argv[0], 0, 0);
explain_wrap_and_print
(
stdout,
explain_errno_futimes(errnum, fildes, 0)
);
break;
case 3:
fildes = explain_strtol_or_die(argv[0], 0, 0);
timeval_or_die(argv[1], &tv[0]);
timeval_or_die(argv[2], &tv[1]);
explain_wrap_and_print
(
stdout,
explain_errno_futimes(errnum, fildes, tv)
);
break;
default:
fprintf(stderr, "futimes: requires 3 arguments, not %d\n", argc);
exit(EXIT_FAILURE);
}
}
/* vim:ts=8:sw=4:et */
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