98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* 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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static char sccsid[] = "@(#)delete.c 5.6 (Berkeley) 3/12/91";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <ar.h>
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#include "archive.h"
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#include "extern.h"
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#include "pathnames.h"
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extern CHDR chdr; /* converted header */
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extern char *archive; /* archive name */
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extern char *tname; /* temporary file "name" */
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/*-
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* delete --
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* Deletes named members from the archive.
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*/
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delete(argv)
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register char **argv;
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{
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CF cf;
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off_t size;
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int afd, tfd;
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char *file;
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afd = open_archive(O_RDWR);
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tfd = tmp();
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/* Read and write to an archive; pad on both. */
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SETCF(afd, archive, tfd, tname, RPAD|WPAD);
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while (get_arobj(afd)) {
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if (*argv && (file = files(argv))) {
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if (options & AR_V)
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(void)printf("d - %s\n", file);
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skip_arobj(afd);
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continue;
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}
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put_arobj(&cf, (struct stat *)NULL);
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}
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size = lseek(tfd, (off_t)0, SEEK_CUR);
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(void)lseek(tfd, (off_t)0, SEEK_SET);
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(void)lseek(afd, (off_t)SARMAG, SEEK_SET);
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SETCF(tfd, tname, afd, archive, NOPAD);
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copy_ar(&cf, size);
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(void)close(tfd);
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(void)ftruncate(afd, size + SARMAG);
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close_archive(afd);
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if (*argv) {
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orphans(argv);
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return(1);
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}
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return(0);
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}
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