/* Copyright (c) 1983 Regents of the University of California */
/* @(#)restore.h 3.1 (Berkeley) 83/02/18 */
extern int cvtflag
; /* convert from old to new tape format */
extern int dflag
; /* print out debugging info */
extern int hflag
; /* restore heirarchies */
extern int mflag
; /* restore by name instead of inode number */
extern int vflag
; /* print out actions taken */
extern int yflag
; /* always try to recover from tape errors */
extern char *dumpmap
; /* map of inodes on this dump tape */
extern char *clrimap
; /* map of inodes to be deleted */
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 time_t dumptime
; /* time that this dump was made */
extern char command
; /* opration being performed */
* Each file in the file system is described by one of these entries
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 */
char *e_newname
; /* full pathname of rename in new fs */
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 */
#define LEAF 1 /* non-directory entry */
#define NODE 2 /* directory entry */
#define LINK 4 /* synthesized type, stripped by addentry */
#define REMOVE 0x0001 /* entry to be removed */
#define REMOVED 0x0002 /* entry has been removed */
#define RENAME 0x0004 /* entry to be renamed */
#define TMPNAME 0x0008 /* entry has been given a temporary name */
#define TMPNODE 0x0010 /* entry is a temporary, to be replaced */
#define EXTRACT 0x0020 /* entry is to be extracted from the tape */
#define RENUMBER 0x0040 /* entry is to be assigned a new inode number */
#define CHANGE 0x0080 /* entry is to be deleted and extracted */
#define NEW 0x0100 /* a new entry to be extracted */
#define KEEP 0x0200 /* entry is not to change */
* functions defined on entry structs
extern struct entry
**entry
;
extern struct entry
*lookupino();
extern struct entry
*lookupname();
extern struct entry
*lookupparent();
extern struct entry
*pathcheck();
extern struct entry
*addentry();
#define NIL ((struct entry *)(0))
#define lookupino(inum) (entry[(inum)])
#define addino(inum, np) (entry[(inum)] = (np))
#define deleteino(inum) (entry[(inum)] = (struct entry *)NIL)
* Constants associated with entry structs
* The entry describes the next file available on the tape
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 */
#define USING 1 /* extracting from the tape */
#define SKIP 2 /* skipping */
#define UNKNOWN 3 /* disposition or starting point is unknown */
* Other exported routines
extern void verifyfile();
#define MWORD(m,i) (m[(unsigned)(i-1)/NBBY])
#define MBIT(i) (1<<((unsigned)(i-1)%NBBY))
#define BIS(i,w) (MWORD(w,i) |= MBIT(i))
#define BIC(i,w) (MWORD(w,i) &= ~MBIT(i))
#define BIT(i,w) (MWORD(w,i) & MBIT(i))
#define dprintf if (dflag) fprintf
#define vprintf if (vflag) fprintf