1 /*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Hugh Smith at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef lint
38 static char sccsid[] = "@(#)delete.c 5.6 (Berkeley) 3/12/91";
39 #endif /* not lint */
40
41 #include <sys/param.h>
42 #include <sys/stat.h>
43 #include <fcntl.h>
44 #include <dirent.h>
45 #include <unistd.h>
46 #include <stdio.h>
47 #include <ar.h>
48 #include "archive.h"
49 #include "extern.h"
50 #include "pathnames.h"
51
52 extern CHDR chdr; /* converted header */
53 extern char *archive; /* archive name */
54 extern char *tname; /* temporary file "name" */
55
56 /*-
57 * delete --
58 * Deletes named members from the archive.
59 */
delete(argv)60 delete(argv)
61 register char **argv;
62 {
63 CF cf;
64 off_t size;
65 int afd, tfd;
66 char *file;
67
68 afd = open_archive(O_RDWR);
69 tfd = tmp();
70
71 /* Read and write to an archive; pad on both. */
72 SETCF(afd, archive, tfd, tname, RPAD|WPAD);
73 while (get_arobj(afd)) {
74 if (*argv && (file = files(argv))) {
75 if (options & AR_V)
76 (void)printf("d - %s\n", file);
77 skip_arobj(afd);
78 continue;
79 }
80 put_arobj(&cf, (struct stat *)NULL);
81 }
82
83 size = lseek(tfd, (off_t)0, SEEK_CUR);
84 (void)lseek(tfd, (off_t)0, SEEK_SET);
85 (void)lseek(afd, (off_t)SARMAG, SEEK_SET);
86 SETCF(tfd, tname, afd, archive, NOPAD);
87 copy_ar(&cf, size);
88 (void)close(tfd);
89 (void)ftruncate(afd, size + SARMAG);
90 close_archive(afd);
91
92 if (*argv) {
93 orphans(argv);
94 return(1);
95 }
96 return(0);
97 }
98