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/* Copyright (C) 2003 Free Software Foundation, Inc.
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 2, 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, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by Paul Eggert. */
/* derived from a function in touch.c */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "utimens.h"
#if HAVE_UTIME_H
# include <utime.h>
#endif
/* Some systems (even some that do have <utime.h>) don't declare this
structure anywhere. */
#ifndef HAVE_STRUCT_UTIMBUF
struct utimbuf
{
long actime;
long modtime;
};
#endif
/* Set the access and modification time stamps of FILE to be
TIMESPEC[0] and TIMESPEC[1], respectively. */
int
utimens (char const *file, struct timespec const timespec[2])
{
/* There's currently no interface to set file timestamps with
nanosecond resolution, so do the best we can, discarding any
fractional part of the timestamp. */
#if HAVE_WORKING_UTIMES
struct timeval timeval[2];
timeval[0].tv_sec = timespec[0].tv_sec;
timeval[0].tv_usec = timespec[0].tv_nsec / 1000;
timeval[1].tv_sec = timespec[1].tv_sec;
timeval[1].tv_usec = timespec[1].tv_nsec / 1000;
return utimes (file, timeval);
#else
struct utimbuf utimbuf;
utimbuf.actime = timespec[0].tv_sec;
utimbuf.modtime = timespec[1].tv_sec;
return utime (file, &utimbuf);
#endif
}
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