2 * Copyright (c) 1990, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Hugh Smith at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
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33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 static const char sccsid[] = "@(#)move.c 8.3 (Berkeley) 4/2/94";
41 #include <sys/param.h>
53 #include "pathnames.h"
57 * Change location of named members in archive - if 'b' or 'i' option
58 * selected then named members are placed before 'posname'. If 'a'
59 * option selected members go after 'posname'. If no options, members
60 * are moved to end of archive.
68 int afd, curfd, mods, tfd1, tfd2, tfd3;
71 afd = open_archive(O_RDWR);
72 mods = options & (AR_A|AR_B);
74 tfd1 = tmp(); /* Files before key file. */
75 tfd2 = tmp(); /* Files selected by user. */
76 tfd3 = tmp(); /* Files after key file. */
79 * Break archive into three parts -- selected entries and entries
80 * before and after the key entry. If positioning before the key,
81 * place the key at the beginning of the after key entries and if
82 * positioning after the key, place the key at the end of the before
83 * key entries. Put it all back together at the end.
86 /* Read and write to an archive; pad on both. */
87 SETCF(afd, archive, 0, tname, RPAD|WPAD);
88 for (curfd = tfd1; get_arobj(afd);) {
89 if (*argv && (file = files(argv))) {
91 (void)printf("m - %s\n", file);
93 put_arobj(&cf, (struct stat *)NULL);
96 if (mods && compare(posname)) {
101 put_arobj(&cf, (struct stat *)NULL);
106 put_arobj(&cf, (struct stat *)NULL);
111 warnx("%s: archive member not found", posarg);
115 (void)lseek(afd, (off_t)SARMAG, SEEK_SET);
117 SETCF(tfd1, tname, afd, archive, NOPAD);
118 tsize = size = lseek(tfd1, (off_t)0, SEEK_CUR);
119 (void)lseek(tfd1, (off_t)0, SEEK_SET);
122 tsize += size = lseek(tfd2, (off_t)0, SEEK_CUR);
123 (void)lseek(tfd2, (off_t)0, SEEK_SET);
127 tsize += size = lseek(tfd3, (off_t)0, SEEK_CUR);
128 (void)lseek(tfd3, (off_t)0, SEEK_SET);
132 (void)ftruncate(afd, tsize + SARMAG);