glibc/sysdeps/mach/hurd/utimes.c

58 lines
1.7 KiB
C

/* Copyright (C) 1991-2015 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>
/* Change the access time of FILE to TVP[0] and
the modification time of FILE to TVP[1]. */
int
__utimes (file, tvp)
const char *file;
const struct timeval tvp[2];
{
union tv
{
struct timeval tv;
time_value_t tvt;
};
const union tv *u = (const union tv *) tvp;
union tv nulltv[2];
error_t err;
file_t port;
if (tvp == NULL)
{
/* Setting the number of microseconds to `-1' tells the
underlying filesystems to use the current time. */
nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
u = nulltv;
}
port = __file_name_lookup (file, 0, 0);
if (port == MACH_PORT_NULL)
return -1;
err = __file_utimes (port, u[0].tvt, u[1].tvt);
__mach_port_deallocate (__mach_task_self (), port);
if (err)
return __hurd_fail (err);
return 0;
}
weak_alias (__utimes, utimes)