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/* $OpenBSD: touch.c,v 1.5 2003/06/03 02:56:14 millert Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Hugh Smith at The University of Guelph.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)touch.c 5.3 (Berkeley) 3/12/91";*/
static char rcsid[] = "$OpenBSD: touch.c,v 1.5 2003/06/03 02:56:14 millert Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <fcntl.h>
#include <dirent.h>
#include <ranlib.h>
#include <ar.h>
#include <time.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <archive.h>
#include "extern.h"
extern CHDR chdr; /* converted header */
int
touch()
{
int afd;
afd = open_archive(O_RDWR);
if (!get_arobj(afd) ||
strncmp(RANLIBMAG, chdr.name, sizeof(RANLIBMAG) - 1)) {
(void)fprintf(stderr,
"ranlib: %s: no symbol table.\n", archive);
return(1);
}
settime(afd);
close_archive(afd);
return(0);
}
void
settime(afd)
int afd;
{
struct ar_hdr *hdr;
off_t size;
char buf[50];
size = SARMAG + sizeof(hdr->ar_name);
if (lseek(afd, size, SEEK_SET) == (off_t)-1)
error(archive);
(void)snprintf(buf, sizeof buf,
"%-12ld", (long int)time((time_t *)NULL) + RANLIBSKEW);
if (write(afd, buf, sizeof(hdr->ar_date)) != sizeof(hdr->ar_date))
error(archive);
}
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