95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Hugh Smith at The University of Guelph.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)touch.c 8.1 (Berkeley) 6/6/93";
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <ar.h>
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#include <dirent.h>
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#include <err.h>
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#include <fcntl.h>
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#include <ranlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "archive.h"
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#include "extern.h"
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void settime( int );
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int touch( void );
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int
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touch(void)
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{
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int afd;
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afd = open_archive(O_RDWR);
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if (!get_arobj(afd) ||
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strncmp(RANLIBMAG, chdr.name, sizeof(RANLIBMAG) - 1)) {
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warnx("%s: no symbol table", archive);
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return(1);
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}
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settime(afd);
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close_archive(afd);
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return(0);
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}
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void
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settime(int afd)
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{
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struct ar_hdr *hdr;
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off_t size;
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char buf[50];
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size = SARMAG + sizeof(hdr->ar_name);
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if (lseek(afd, size, SEEK_SET) == (off_t)-1)
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error(archive);
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(void)sprintf(buf, "%-12ld", (long)time((time_t *)NULL) + RANLIBSKEW);
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if (write(afd, buf, sizeof(hdr->ar_date)) != sizeof(hdr->ar_date))
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error(archive);
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}
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