1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23/* $OpenBSD: move.c,v 1.2 1996/06/26 05:31:21 deraadt Exp $ */ 24/* $NetBSD: move.c,v 1.5 1995/03/26 03:27:57 glass Exp $ */ 25 26/*- 27 * Copyright (c) 1990, 1993, 1994 28 * The Regents of the University of California. All rights reserved. 29 * 30 * This code is derived from software contributed to Berkeley by 31 * Hugh Smith at The University of Guelph. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed by the University of 44 * California, Berkeley and its contributors. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62#ifndef lint 63#if 0 64static char sccsid[] = "@(#)move.c 8.3 (Berkeley) 4/2/94"; 65static char rcsid[] = "$OpenBSD: move.c,v 1.2 1996/06/26 05:31:21 deraadt Exp $"; 66#endif 67#endif /* not lint */ 68 69#include <sys/param.h> 70#include <sys/stat.h> 71 72#include <ar.h> 73#include <dirent.h> 74#include <err.h> 75#include <fcntl.h> 76#include <stdio.h> 77#include <unistd.h> 78 79#include "archive.h" 80#include "extern.h" 81#include "pathnames.h" 82 83/* 84 * move -- 85 * Change location of named members in archive - if 'b' or 'i' option 86 * selected then named members are placed before 'posname'. If 'a' 87 * option selected members go after 'posname'. If no options, members 88 * are moved to end of archive. 89 */ 90int 91move(argv) 92 char **argv; 93{ 94 CF cf; 95 off_t size, tsize; 96 int afd, curfd, mods, tfd1, tfd2, tfd3; 97 char *file; 98 99 afd = open_archive(O_RDWR); 100 mods = options & (AR_A|AR_B); 101 102 tfd1 = tmp(); /* Files before key file. */ 103 tfd2 = tmp(); /* Files selected by user. */ 104 tfd3 = tmp(); /* Files after key file. */ 105 106 /* 107 * Break archive into three parts -- selected entries and entries 108 * before and after the key entry. If positioning before the key, 109 * place the key at the beginning of the after key entries and if 110 * positioning after the key, place the key at the end of the before 111 * key entries. Put it all back together at the end. 112 */ 113 114 /* Read and write to an archive; pad on both. */ 115 SETCF(afd, archive, 0, tname, RPAD|WPAD); 116 for (curfd = tfd1; get_arobj(afd);) { 117 if (*argv && (file = files(argv))) { 118 if (options & AR_V) 119 (void)printf("m - %s\n", file); 120 cf.wfd = tfd2; 121 put_arobj(&cf, (struct stat *)NULL); 122 continue; 123 } 124 if (mods && compare(posname)) { 125 mods = 0; 126 if (options & AR_B) 127 curfd = tfd3; 128 cf.wfd = curfd; 129 put_arobj(&cf, (struct stat *)NULL); 130 if (options & AR_A) 131 curfd = tfd3; 132 } else { 133 cf.wfd = curfd; 134 put_arobj(&cf, (struct stat *)NULL); 135 } 136 } 137 138 if (mods) { 139 warnx("%s: archive member not found", posarg); 140 close_archive(afd); 141 return (1); 142 } 143 (void)lseek(afd, (off_t)SARMAG, SEEK_SET); 144 145 SETCF(tfd1, tname, afd, archive, NOPAD); 146 tsize = size = lseek(tfd1, (off_t)0, SEEK_CUR); 147 (void)lseek(tfd1, (off_t)0, SEEK_SET); 148 copy_ar(&cf, size); 149 150 tsize += size = lseek(tfd2, (off_t)0, SEEK_CUR); 151 (void)lseek(tfd2, (off_t)0, SEEK_SET); 152 cf.rfd = tfd2; 153 copy_ar(&cf, size); 154 155 tsize += size = lseek(tfd3, (off_t)0, SEEK_CUR); 156 (void)lseek(tfd3, (off_t)0, SEEK_SET); 157 cf.rfd = tfd3; 158 copy_ar(&cf, size); 159 160 (void)ftruncate(afd, tsize + SARMAG); 161 close_archive(afd); 162 163 if (*argv) { 164 orphans(argv); 165 return (1); 166 } 167 return (0); 168} 169