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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Paul Eggert. */
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/* derived from a function in touch.c */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "utimens.h"
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#if HAVE_UTIME_H
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# include <utime.h>
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#endif
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/* Some systems (even some that do have <utime.h>) don't declare this
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structure anywhere. */
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#ifndef HAVE_STRUCT_UTIMBUF
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struct utimbuf
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{
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long actime;
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long modtime;
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};
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#endif
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/* Set the access and modification time stamps of FILE to be
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TIMESPEC[0] and TIMESPEC[1], respectively. */
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int
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utimens (char const *file, struct timespec const timespec[2])
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{
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/* There's currently no interface to set file timestamps with
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nanosecond resolution, so do the best we can, discarding any
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fractional part of the timestamp. */
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#if HAVE_WORKING_UTIMES
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struct timeval timeval[2];
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timeval[0].tv_sec = timespec[0].tv_sec;
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timeval[0].tv_usec = timespec[0].tv_nsec / 1000;
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timeval[1].tv_sec = timespec[1].tv_sec;
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timeval[1].tv_usec = timespec[1].tv_nsec / 1000;
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return utimes (file, timeval);
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#else
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struct utimbuf utimbuf;
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utimbuf.actime = timespec[0].tv_sec;
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utimbuf.modtime = timespec[1].tv_sec;
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return utime (file, &utimbuf);
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#endif
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}
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