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