Annotation of src/usr.bin/ar/delete.c, Revision 1.6
1.6 ! deraadt 1: /* $OpenBSD: delete.c,v 1.5 2003/06/12 20:58:08 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: delete.c,v 1.5 1995/03/26 03:27:52 glass Exp $ */
3:
4: /*-
5: * Copyright (c) 1990, 1993, 1994
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Hugh Smith at The University of Guelph.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
1.4 millert 19: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #include <sys/param.h>
37: #include <sys/stat.h>
38:
39: #include <ar.h>
40: #include <dirent.h>
41: #include <fcntl.h>
42: #include <stdio.h>
43: #include <unistd.h>
44:
45: #include "archive.h"
46: #include "extern.h"
47: #include "pathnames.h"
48:
49: /*-
50: * delete --
51: * Deletes named members from the archive.
52: */
53: int
1.5 deraadt 54: delete(char **argv)
1.1 deraadt 55: {
56: CF cf;
57: off_t size;
58: int afd, tfd;
59: char *file;
60:
61: afd = open_archive(O_RDWR);
62: tfd = tmp();
63:
64: /* Read and write to an archive; pad on both. */
65: SETCF(afd, archive, tfd, tname, RPAD|WPAD);
66: while (get_arobj(afd)) {
67: if (*argv && (file = files(argv))) {
68: if (options & AR_V)
69: (void)printf("d - %s\n", file);
70: skip_arobj(afd);
71: continue;
72: }
1.3 kstailey 73: put_arobj(&cf, NULL);
1.1 deraadt 74: }
75:
76: size = lseek(tfd, (off_t)0, SEEK_CUR);
77: (void)lseek(tfd, (off_t)0, SEEK_SET);
78: (void)lseek(afd, (off_t)SARMAG, SEEK_SET);
79: SETCF(tfd, tname, afd, archive, NOPAD);
80: copy_ar(&cf, size);
81: (void)close(tfd);
82: (void)ftruncate(afd, size + SARMAG);
83: close_archive(afd);
84:
85: if (*argv) {
86: orphans(argv);
87: return (1);
88: }
89: return (0);
90: }