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git.wh0rd.org - dump.git/blob - restore/restore.h
0ae65ba8829e613134f30a985988c7d05751ee3e
2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <pop@noos.fr>, 1999-2000
6 * Stelian Pop <pop@noos.fr> - AlcĂ´ve <www.alcove.fr>, 2000
8 * $Id: restore.h,v 1.16 2001/07/18 12:54:06 stelian Exp $
12 * Copyright (c) 1983, 1993
13 * The Regents of the University of California. All rights reserved.
14 * (c) UNIX System Laboratories, Inc.
15 * All or some portions of this file are derived from material licensed
16 * to the University of California by American Telephone and Telegraph
17 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
18 * the permission of UNIX System Laboratories, Inc.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. All advertising materials mentioning features or use of this software
29 * must display the following acknowledgement:
30 * This product includes software developed by the University of
31 * California, Berkeley and its contributors.
32 * 4. Neither the name of the University nor the names of its contributors
33 * may be used to endorse or promote products derived from this software
34 * without specific prior written permission.
36 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
37 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
39 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
40 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
41 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
42 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
44 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
45 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 #include <protocols/dumprestore.h>
54 extern int cvtflag
; /* convert from old to new tape format */
55 extern int bflag
; /* set input block size */
56 extern int dflag
; /* print out debugging info */
57 extern int hflag
; /* restore heirarchies */
58 extern int mflag
; /* restore by name instead of inode number */
59 extern int Mflag
; /* multi-volume restore */
60 extern int Nflag
; /* do not write the disk */
61 extern int uflag
; /* unlink symlink targets */
62 extern int vflag
; /* print out actions taken */
63 extern int yflag
; /* always try to recover from tape errors */
64 extern int zflag
; /* tape is in compressed format */
65 extern char* bot_script
; /* beginning of tape script */
69 extern char *dumpmap
; /* map of inodes on this dump tape */
70 extern char *usedinomap
; /* map of inodes that are in use on this fs */
71 extern dump_ino_t maxino
; /* highest numbered inode in this file system */
72 extern long dumpnum
; /* location of the dump on this tape */
73 extern long volno
; /* current volume being read */
74 extern long ntrec
; /* number of TP_BSIZE records per tape block */
75 extern time_t dumptime
; /* time that this dump begins */
76 extern time_t dumpdate
; /* time that this dump was made */
77 extern char command
; /* opration being performed */
78 extern FILE *terminal
; /* file descriptor for the terminal input */
79 extern char *tmpdir
; /* name of temp directory */
80 extern int oldinofmt
; /* reading tape with old format inodes */
81 extern int Bcvt
; /* need byte swapping on inodes and dirs */
82 extern int compare_ignore_not_found
;
83 /* used to compare incremental dumps, */
84 /* so messages about "not found" files */
86 extern int compare_errors
; /* did we encounter any compare errors? */
87 extern char filesys
[NAMELEN
];/* name of dumped filesystem */
90 * Each file in the file system is described by one of these entries
93 char *e_name
; /* the current name of this entry */
94 u_char e_namlen
; /* length of this name */
95 char e_type
; /* type of this entry, see below */
96 short e_flags
; /* status flags, see below */
97 dump_ino_t e_ino
; /* inode number in previous file sys */
98 long e_index
; /* unique index (for dumpped table) */
99 struct entry
*e_parent
; /* pointer to parent directory (..) */
100 struct entry
*e_sibling
; /* next element in this directory (.) */
101 struct entry
*e_links
; /* hard links to this inode */
102 struct entry
*e_entries
; /* for directories, their entries */
103 struct entry
*e_next
; /* hash chain list */
106 #define LEAF 1 /* non-directory entry */
107 #define NODE 2 /* directory entry */
108 #define LINK 4 /* synthesized type, stripped by addentry */
110 #define EXTRACT 0x0001 /* entry is to be replaced from the tape */
111 #define NEW 0x0002 /* a new entry to be extracted */
112 #define KEEP 0x0004 /* entry is not to change */
113 #define REMOVED 0x0010 /* entry has been removed */
114 #define TMPNAME 0x0020 /* entry has been given a temporary name */
115 #define EXISTED 0x0040 /* directory already existed during extract */
118 * Constants associated with entry structs
122 #define TMPHDR "RSTTMP"
125 * The entry describes the next file available on the tape
128 char *name
; /* name of file */
129 dump_ino_t ino
; /* inumber of file */
131 struct new_bsd_inode
*dip
; /* pointer to inode */
133 struct dinode
*dip
; /* pointer to inode */
135 char action
; /* action being taken on this file */
138 #define USING 1 /* extracting from the tape */
139 #define SKIP 2 /* skipping */
140 #define UNKNOWN 3 /* disposition or starting point is unknown */
143 * Definitions for library routines operating on directories.
145 typedef struct rstdirdesc RST_DIR
;
148 * Flags to setdirmodes.
155 #define TSTINO(ino, map) \
156 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
157 #define SETINO(ino, map) \
158 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
160 #define Dprintf if (dflag) fprintf
161 #define Vprintf if (vflag) fprintf
167 #define QFA_MAGIC "495115637697"
168 #define QFA_VERSION "1.0"