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/* $NetBSD: restore.h,v 1.7 1995/03/18 14:59:53 cgd Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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.
*
* @(#)restore.h 8.3 (Berkeley) 9/13/94
*/
/*
* 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 ino_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 */
ino_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 */
ino_t ino; /* inumber of file */
struct dinode *dip; /* pointer to inode */
char action; /* action being taken on this file */
} curfile;
/* 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
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