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/* futimens -- change access and modification times of open file. Hurd version.
Copyright (C) 2002-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sys/time.h>
#include <errno.h>
#include <stddef.h>
#include <hurd.h>
#include <hurd/fd.h>
/* Change the access time of FD to TSP[0] and
the modification time of FD to TSP[1]. */
int
__futimens (int fd, const struct timespec tsp[2])
{
struct timespec atime, mtime;
error_t err;
if (tsp == NULL)
{
/* Setting the number of nanoseconds to UTIME_NOW tells the
underlying filesystems to use the current time. */
atime.tv_sec = 0;
atime.tv_nsec = UTIME_NOW;
mtime.tv_sec = 0;
mtime.tv_nsec = UTIME_NOW;
}
else
{
atime = tsp[0];
mtime = tsp[1];
}
err = HURD_DPORT_USE (fd, __file_utimens (port, atime, mtime));
if (err == MIG_BAD_ID || err == EOPNOTSUPP)
{
time_value_t atim, mtim;
if (tsp == NULL)
/* Setting the number of microseconds to `-1' tells the
underlying filesystems to use the current time. */
atim.microseconds = mtim.microseconds = -1;
else
{
if (tsp[0].tv_nsec == UTIME_NOW)
atim.microseconds = -1;
else if (tsp[0].tv_nsec == UTIME_OMIT)
atim.microseconds = -2;
else
TIMESPEC_TO_TIME_VALUE (&atim, &(tsp[0]));
if (tsp[1].tv_nsec == UTIME_NOW)
mtim.microseconds = -1;
else if (tsp[1].tv_nsec == UTIME_OMIT)
mtim.microseconds = -2;
else
TIMESPEC_TO_TIME_VALUE (&mtim, &(tsp[1]));
}
err = HURD_DPORT_USE (fd, __file_utimes (port, atim, mtim));
}
return err ? __hurd_dfail (fd, err) : 0;
}
weak_alias (__futimens, futimens)
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