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/*-
* Copyright (c) 2011 Joseph Koshy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include "libelftc.h"
#include "_libelftc.h"
ELFTC_VCSID("$Id$");
/*
* Determine the field name for the timestamp fields inside a 'struct
* stat'.
*/
#if defined(__FreeBSD__) || defined(__NetBSD__)
#define ATIME st_atimespec
#define MTIME st_mtimespec
#define LIBELFTC_HAVE_UTIMES 1
#endif
#if defined(__DragonFly__) || defined(__linux__) || defined(__OpenBSD__)
#define ATIME st_atim
#define MTIME st_mtim
#define LIBELFTC_HAVE_UTIMES 1
#endif
#if LIBELFTC_HAVE_UTIMES
#include <sys/time.h>
#else
#include <utime.h>
#endif
int
elftc_set_timestamps(const char *fn, struct stat *sb)
{
#if LIBELFTC_HAVE_UTIMES
/*
* The BSD utimes() system call offers timestamps
* 1-microsecond granularity.
*/
struct timeval tv[2];
tv[0].tv_sec = sb->ATIME.tv_sec;
tv[0].tv_usec = sb->ATIME.tv_nsec / 1000;
tv[1].tv_sec = sb->MTIME.tv_sec;
tv[1].tv_usec = sb->MTIME.tv_nsec / 1000;
return (utimes(fn, tv));
#else
/*
* On OSes without utimes(), fall back to the POSIX utime()
* call, which offers 1-second granularity.
*/
struct utimbuf utb;
utb.actime = sb->st_atime;
utb.modtime = sb->st_mtime;
return (utime(fn, &utb));
#endif
}
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