/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Flags */ extern int cvtflag; /* convert from old to new tape format */ extern int bflag; /* set input block size */ extern int dflag; /* print out debugging info */ extern int hflag; /* restore heirarchies */ extern int mflag; /* restore by name instead of inode number */ extern int Nflag; /* do not write the disk */ extern int vflag; /* print out actions taken */ extern int yflag; /* always try to recover from tape errors */ /* * Global variables */ extern char *dumpmap; /* map of inodes on this dump tape */ extern char *usedinomap; /* map of inodes that are in use on this fs */ extern u_int32_t maxino; /* highest numbered inode in this file system */ extern long dumpnum; /* location of the dump on this tape */ extern long volno; /* current volume being read */ extern long ntrec; /* number of TP_BSIZE records per tape block */ extern time_t dumptime; /* time that this dump begins */ extern time_t dumpdate; /* time that this dump was made */ extern char command; /* opration being performed */ extern FILE *terminal; /* file descriptor for the terminal input */ extern int oldinofmt; /* reading tape with old format inodes */ extern int Bcvt; /* need byte swapping on inodes and dirs */ /* * Each file in the file system is described by one of these entries */ struct entry { char *e_name; /* the current name of this entry */ u_char e_namlen; /* length of this name */ char e_type; /* type of this entry, see below */ short e_flags; /* status flags, see below */ u_int32_t e_ino; /* inode number in previous file sys */ long e_index; /* unique index (for dumpped table) */ struct entry *e_parent; /* pointer to parent directory (..) */ struct entry *e_sibling; /* next element in this directory (.) */ struct entry *e_links; /* hard links to this inode */ struct entry *e_entries; /* for directories, their entries */ struct entry *e_next; /* hash chain list */ }; /* types */ #define LEAF 1 /* non-directory entry */ #define NODE 2 /* directory entry */ #define LINK 4 /* synthesized type, stripped by addentry */ /* flags */ #define EXTRACT 0x0001 /* entry is to be replaced from the tape */ #define NEW 0x0002 /* a new entry to be extracted */ #define KEEP 0x0004 /* entry is not to change */ #define REMOVED 0x0010 /* entry has been removed */ #define TMPNAME 0x0020 /* entry has been given a temporary name */ #define EXISTED 0x0040 /* directory already existed during extract */ /* * Constants associated with entry structs */ #define HARDLINK 1 #define SYMLINK 2 #define TMPHDR "RSTTMP" /* * The entry describes the next file available on the tape */ struct context { char *name; /* name of file */ u_int32_t ino; /* inumber of file */ struct dinode *dip; /* pointer to inode */ char action; /* action being taken on this file */ }; extern struct context curfile; extern union u_spcl u_spcl; #define spcl u_spcl.s_spcl /* actions */ #define USING 1 /* extracting from the tape */ #define SKIP 2 /* skipping */ #define UNKNOWN 3 /* disposition or starting point is unknown */ /* * Definitions for library routines operating on directories. */ typedef struct rstdirdesc RST_DIR; /* * Flags to setdirmodes. */ #define FORCE 0x0001 /* * Useful macros */ #define TSTINO(ino, map) \ (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) #define SETINO(ino, map) \ map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) #define dprintf if (dflag) fprintf #define vprintf if (vflag) fprintf #define GOOD 1 #define FAIL 0