backup/restore/restore.h

0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Copyright (c) 1983 Regents of the University of California.
0Sstevel@tonic-gate * All rights reserved.  The Berkeley software License Agreement
0Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
0Sstevel@tonic-gate */
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
0Sstevel@tonic-gate/*	  All Rights Reserved	*/
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
426Srm88369 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
0Sstevel@tonic-gate * Use is subject to license terms.
0Sstevel@tonic-gate */
0Sstevel@tonic-gate
0Sstevel@tonic-gate#ifndef _RESTORE_H
0Sstevel@tonic-gate#define	_RESTORE_H
0Sstevel@tonic-gate
0Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
0Sstevel@tonic-gate
0Sstevel@tonic-gate#include <stdio.h>
0Sstevel@tonic-gate#include <string.h>
0Sstevel@tonic-gate#include <malloc.h>
0Sstevel@tonic-gate#include <netdb.h>
0Sstevel@tonic-gate#include <fcntl.h>
0Sstevel@tonic-gate#include <unistd.h>
0Sstevel@tonic-gate#include <errno.h>
0Sstevel@tonic-gate#include <sys/stat.h>
0Sstevel@tonic-gate#include <sys/param.h>
0Sstevel@tonic-gate#include <sys/time.h>
0Sstevel@tonic-gate#include <sys/vnode.h>
0Sstevel@tonic-gate#include <locale.h>
0Sstevel@tonic-gate#include <stdlib.h>
0Sstevel@tonic-gate#include <sys/fs/ufs_inode.h>
0Sstevel@tonic-gate#include <sys/fs/ufs_fs.h>
0Sstevel@tonic-gate#include <sys/fs/ufs_fsdir.h>
0Sstevel@tonic-gate#include <note.h>
0Sstevel@tonic-gate
0Sstevel@tonic-gate#ifdef	__cplusplus
0Sstevel@tonic-gateextern "C" {
0Sstevel@tonic-gate#endif
0Sstevel@tonic-gate
0Sstevel@tonic-gate#define	ROOTINO	UFSROOTINO
0Sstevel@tonic-gate#define	SUPPORTS_MTB_TAPE_FORMAT
0Sstevel@tonic-gate#include <protocols/dumprestore.h>
0Sstevel@tonic-gate#include <memutils.h>
0Sstevel@tonic-gate#include <assert.h>
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Flags
0Sstevel@tonic-gate */
0Sstevel@tonic-gateextern int	cvtflag;	/* convert from old to new tape format */
0Sstevel@tonic-gateextern int	bflag;		/* set input block size */
0Sstevel@tonic-gateextern int	dflag;		/* print out debugging info */
0Sstevel@tonic-gateextern int	hflag;		/* restore heirarchies */
0Sstevel@tonic-gateextern int	mflag;		/* restore by name instead of inode number */
0Sstevel@tonic-gateextern int	vflag;		/* print out actions taken */
0Sstevel@tonic-gateextern int	yflag;		/* always try to recover from tape errors */
0Sstevel@tonic-gateextern int	paginating;	/* paginate bulk interactive output */
0Sstevel@tonic-gateextern int	offline;	/* take tape offline when closing */
0Sstevel@tonic-gateextern int	autoload;	/* wait for tape to autoload; implies offline */
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Global variables
0Sstevel@tonic-gate */
0Sstevel@tonic-gateextern int	autoload_tries;	/* number of times to check on autoload */
0Sstevel@tonic-gateextern int	autoload_period; /* seconds, tries*period = total wait time */
0Sstevel@tonic-gateextern struct byteorder_ctx *byteorder;
0Sstevel@tonic-gateextern char	*progname;	/* our name */
0Sstevel@tonic-gateextern char	*dumpmap; 	/* map of inodes on this dump tape */
0Sstevel@tonic-gateextern char	*clrimap; 	/* map of inodes to be deleted */
0Sstevel@tonic-gateextern char	*c_label;	/* label we expect to see on the tape */
0Sstevel@tonic-gateextern ino_t	maxino;		/* highest numbered inode in this file system */
0Sstevel@tonic-gateextern long	dumpnum;	/* location of the dump on this tape */
0Sstevel@tonic-gateextern int	volno;		/* current volume being read */
0Sstevel@tonic-gateextern uint_t	ntrec;		/* number of tp_bsize records per tape block */
0Sstevel@tonic-gateextern uint_t	saved_ntrec;	/* number of tp_bsize records per tape block */
0Sstevel@tonic-gateextern ssize_t	tape_rec_size;	/* tape record size (tp_bsize * ntrec) */
0Sstevel@tonic-gateextern time_t	dumptime;	/* time that this dump begins */
0Sstevel@tonic-gateextern time_t	dumpdate;	/* time that this dump was made */
0Sstevel@tonic-gateextern char	command;	/* opration being performed */
0Sstevel@tonic-gateextern FILE	*terminal;	/* file descriptor for the terminal input */
0Sstevel@tonic-gateextern char	*tmpdir;	/* where to put the rst{dir,mode}... files */
0Sstevel@tonic-gateextern char	*pager_catenated; /* pager command and args */
0Sstevel@tonic-gateextern char	**pager_vector;	/* pager_catenated split up for execve() */
0Sstevel@tonic-gateextern int	pager_len;	/* # elements in pager_vector; includes NULL */
0Sstevel@tonic-gateextern int	inattrspace;	/* true if currently scanning attribute space */
0Sstevel@tonic-gateextern int	savepwd;	/* this is where restore is running from */
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Each file in the file system is described by one of these entries
0Sstevel@tonic-gate * Note that the e_next field is used by the symbol table hash lists
0Sstevel@tonic-gate * and then reused by the remove code after the entry is removed from
0Sstevel@tonic-gate * the symbol table.
0Sstevel@tonic-gate */
0Sstevel@tonic-gatestruct entry {
0Sstevel@tonic-gate	char	*e_name;		/* the current name of this entry */
0Sstevel@tonic-gate	ushort_t e_namlen;		/* length of this name */
0Sstevel@tonic-gate	char	e_type;			/* type of this entry, see below */
0Sstevel@tonic-gate	short	e_flags;		/* status flags, see below */
0Sstevel@tonic-gate	ino_t	e_ino;			/* inode number in previous file sys */
0Sstevel@tonic-gate	long	e_index;		/* unique index (for dumpped table) */
0Sstevel@tonic-gate	struct	entry *e_parent;	/* pointer to parent directory (..) */
0Sstevel@tonic-gate	struct	entry *e_sibling;	/* next element in this directory (.) */
0Sstevel@tonic-gate	struct	entry *e_links;		/* hard links to this inode */
0Sstevel@tonic-gate	struct	entry *e_entries;	/* for directories, their entries */
0Sstevel@tonic-gate	struct	entry *e_xattrs;	/* pointer to extended attribute root */
0Sstevel@tonic-gate	struct	entry *e_next;		/* hash chain list and removelist */
0Sstevel@tonic-gate};
0Sstevel@tonic-gate/* types */
0Sstevel@tonic-gate#define	LEAF 1			/* non-directory entry */
0Sstevel@tonic-gate#define	NODE 2			/* directory entry */
0Sstevel@tonic-gate#define	LINK 4			/* synthesized type, stripped by addentry */
0Sstevel@tonic-gate#define	ROOT 8			/* synthesized type, stripped by addentry */
0Sstevel@tonic-gate/* flags */
0Sstevel@tonic-gate#define	EXTRACT		0x0001	/* entry is to be replaced from the tape */
0Sstevel@tonic-gate#define	NEW		0x0002	/* a new entry to be extracted */
0Sstevel@tonic-gate#define	KEEP		0x0004	/* entry is not to change */
0Sstevel@tonic-gate#define	REMOVED		0x0010	/* entry has been removed */
0Sstevel@tonic-gate#define	TMPNAME		0x0020	/* entry has been given a temporary name */
0Sstevel@tonic-gate#define	EXISTED		0x0040	/* directory already existed during extract */
0Sstevel@tonic-gate#define	XATTR		0x0080	/* file belongs in an attribute tree */
0Sstevel@tonic-gate#define	XATTRROOT	0x0100	/* directory is root of an attribute tree */
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * functions defined on entry structs
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#ifdef __STDC__
0Sstevel@tonic-gateextern struct entry *lookupino(ino_t);
0Sstevel@tonic-gateextern struct entry *lookupname(char *);
0Sstevel@tonic-gateextern struct entry *addentry(char *, ino_t, int);
0Sstevel@tonic-gateextern void deleteino(ino_t);
0Sstevel@tonic-gateextern char *myname(struct entry *);
0Sstevel@tonic-gateextern void freeentry(struct entry *);
0Sstevel@tonic-gateextern void moveentry(struct entry *, char *);
0Sstevel@tonic-gateextern char *savename(char *);
0Sstevel@tonic-gateextern void freename(char *);
0Sstevel@tonic-gateextern void dumpsymtable(char *, int);
0Sstevel@tonic-gateextern void initsymtable(char *);
0Sstevel@tonic-gateextern void mktempname(struct entry *);
0Sstevel@tonic-gateextern char *gentempname(struct entry *);
0Sstevel@tonic-gateextern void newnode(struct entry *);
0Sstevel@tonic-gateextern void removenode(struct entry *);
0Sstevel@tonic-gateextern void removeleaf(struct entry *);
0Sstevel@tonic-gateextern ino_t lowerbnd(ino_t);
0Sstevel@tonic-gateextern ino_t upperbnd(ino_t);
0Sstevel@tonic-gateextern void badentry(struct entry *, char *);
0Sstevel@tonic-gateextern char *flagvalues(struct entry *);
0Sstevel@tonic-gateextern ino_t dirlookup(char *);
0Sstevel@tonic-gate#else
0Sstevel@tonic-gateextern struct entry *lookupino();
0Sstevel@tonic-gateextern struct entry *lookupname();
0Sstevel@tonic-gateextern struct entry *addentry();
0Sstevel@tonic-gateextern void deleteino();
0Sstevel@tonic-gateextern char *myname();
0Sstevel@tonic-gateextern void freeentry();
0Sstevel@tonic-gateextern void moveentry();
0Sstevel@tonic-gateextern char *savename();
0Sstevel@tonic-gateextern void freename();
0Sstevel@tonic-gateextern void dumpsymtable();
0Sstevel@tonic-gateextern void initsymtable();
0Sstevel@tonic-gateextern void mktempname();
0Sstevel@tonic-gateextern char *gentempname();
0Sstevel@tonic-gateextern void newnode();
0Sstevel@tonic-gateextern void removenode();
0Sstevel@tonic-gateextern void removeleaf();
0Sstevel@tonic-gateextern ino_t lowerbnd();
0Sstevel@tonic-gateextern ino_t upperbnd();
0Sstevel@tonic-gateextern void badentry();
0Sstevel@tonic-gateextern char *flagvalues();
0Sstevel@tonic-gateextern ino_t dirlookup();
0Sstevel@tonic-gate#endif
0Sstevel@tonic-gate#define	NIL ((struct entry *)(0))
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Definitions for library routines operating on directories.
0Sstevel@tonic-gate * These definitions are used only for reading fake directory
0Sstevel@tonic-gate * entries from restore's temporary file "restoresymtable"
0Sstevel@tonic-gate * These have little to do with real directory entries.
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#if !defined(DEV_BSIZE)
0Sstevel@tonic-gate#define	DEV_BSIZE	512
0Sstevel@tonic-gate#endif
0Sstevel@tonic-gate#define	DIRBLKSIZ	DEV_BSIZE
0Sstevel@tonic-gatetypedef struct _rstdirdesc {
0Sstevel@tonic-gate	int	dd_fd;
0Sstevel@tonic-gate	int	dd_refcnt;  /* so rst_{open,close}dir() avoid leaking memory */
0Sstevel@tonic-gate	off64_t	dd_loc;
0Sstevel@tonic-gate	off64_t	dd_size;
0Sstevel@tonic-gate	char	dd_buf[DIRBLKSIZ];
0Sstevel@tonic-gate} RST_DIR;
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Constants associated with entry structs
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	HARDLINK	1
0Sstevel@tonic-gate#define	SYMLINK		2
0Sstevel@tonic-gate#define	TMPHDR		"RSTTMP"
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * The entry describes the next file available on the tape
0Sstevel@tonic-gate */
0Sstevel@tonic-gatestruct context {
0Sstevel@tonic-gate	char	*name;		/* name of file */
0Sstevel@tonic-gate	ino_t	ino;		/* inumber of file */
0Sstevel@tonic-gate	struct	dinode *dip;	/* pointer to inode */
0Sstevel@tonic-gate	int	action;		/* action being taken on this file */
0Sstevel@tonic-gate	int	ts;		/* TS_* type of tape record */
0Sstevel@tonic-gate} curfile;
0Sstevel@tonic-gate/* actions */
0Sstevel@tonic-gate#define	USING	1	/* extracting from the tape */
0Sstevel@tonic-gate#define	SKIP	2	/* skipping */
0Sstevel@tonic-gate#define	UNKNOWN 3	/* disposition or starting point is unknown */
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Structure and routines associated with listing directories
0Sstevel@tonic-gate * and expanding meta-characters in pathnames.
0Sstevel@tonic-gate */
0Sstevel@tonic-gatestruct afile {
0Sstevel@tonic-gate	ino_t	fnum;		/* inode number of file */
0Sstevel@tonic-gate	char	*fname;		/* file name */
0Sstevel@tonic-gate	short	fflags;		/* extraction flags, if any */
0Sstevel@tonic-gate	char	ftype;		/* file type, e.g. LEAF or NODE */
0Sstevel@tonic-gate};
0Sstevel@tonic-gatestruct arglist {
0Sstevel@tonic-gate	struct afile	*head;	/* start of argument list */
0Sstevel@tonic-gate	struct afile	*last;	/* end of argument list */
0Sstevel@tonic-gate	struct afile	*base;	/* current list arena */
0Sstevel@tonic-gate	int		nent;	/* maximum size of list */
0Sstevel@tonic-gate	char		*cmd;	/* the current command */
0Sstevel@tonic-gate};
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Other exported routines
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#ifdef __STDC__
0Sstevel@tonic-gateextern int mkentry(char *, ino_t, struct arglist *);
0Sstevel@tonic-gateextern int expand(char *, int, struct arglist *);
0Sstevel@tonic-gateextern ino_t psearch(char *);
0Sstevel@tonic-gateextern void metaget(char **data, size_t *size);
0Sstevel@tonic-gateextern void metaproc(char *, char *, size_t);
0Sstevel@tonic-gateextern long listfile(char *, ino_t, int);
0Sstevel@tonic-gateextern long addfile(char *, ino_t, int);
0Sstevel@tonic-gateextern long deletefile(char *, ino_t, int);
0Sstevel@tonic-gateextern long nodeupdates(char *, ino_t, int);
0Sstevel@tonic-gateextern long verifyfile(char *, ino_t, int);
0Sstevel@tonic-gateextern void extractdirs(int genmode);
0Sstevel@tonic-gateextern void skipdirs(void);
0Sstevel@tonic-gateextern void treescan(char *, ino_t, long (*)(char *, ino_t, int));
0Sstevel@tonic-gateextern RST_DIR *rst_opendir(char *);
0Sstevel@tonic-gateextern void rst_closedir(RST_DIR *);
0Sstevel@tonic-gateextern struct direct *rst_readdir(RST_DIR *);
0Sstevel@tonic-gateextern void setdirmodes(void);
0Sstevel@tonic-gateextern int genliteraldir(char *, ino_t);
0Sstevel@tonic-gateextern int inodetype(ino_t);
0Sstevel@tonic-gateextern void done(int);
0Sstevel@tonic-gateextern void runcmdshell(void);
0Sstevel@tonic-gateextern void canon(char *, char *, size_t);
0Sstevel@tonic-gateextern void onintr(int);
0Sstevel@tonic-gateextern void removeoldleaves(void);
0Sstevel@tonic-gateextern void findunreflinks(void);
0Sstevel@tonic-gateextern void removeoldnodes(void);
0Sstevel@tonic-gateextern void createleaves(char *);
0Sstevel@tonic-gateextern void createfiles(void);
0Sstevel@tonic-gateextern void createlinks(void);
0Sstevel@tonic-gateextern void checkrestore(void);
0Sstevel@tonic-gateextern void setinput(char *, char *);
0Sstevel@tonic-gateextern void newtapebuf(size_t);
0Sstevel@tonic-gateextern void setup(void);
0Sstevel@tonic-gateextern void setupR(void);
0Sstevel@tonic-gateextern void getvol(int);
0Sstevel@tonic-gateextern void printdumpinfo(void);
0Sstevel@tonic-gateextern int extractfile(char *);
0Sstevel@tonic-gateextern void skipmaps(void);
0Sstevel@tonic-gateextern void skipfile(void);
0Sstevel@tonic-gateextern void getfile(void (*)(char *, size_t), void (*)(char *, size_t));
0Sstevel@tonic-gateextern void null(char *, size_t);
0Sstevel@tonic-gateextern void findtapeblksize(int);
0Sstevel@tonic-gateextern void flsht(void);
426Srm88369extern void closemt(int);
0Sstevel@tonic-gateextern int readhdr(struct s_spcl *);
0Sstevel@tonic-gateextern int gethead(struct s_spcl *);
0Sstevel@tonic-gateextern int volnumber(ino_t);
0Sstevel@tonic-gateextern void findinode(struct s_spcl *);
0Sstevel@tonic-gateextern void pathcheck(char *);
0Sstevel@tonic-gateextern void renameit(char *, char *);
0Sstevel@tonic-gateextern int linkit(char *, char *, int);
0Sstevel@tonic-gateextern int lf_linkit(char *, char *, int);
0Sstevel@tonic-gateextern int reply(char *);
0Sstevel@tonic-gate/*PRINTFLIKE1*/
0Sstevel@tonic-gateextern void panic(const char *, ...);
0Sstevel@tonic-gateextern char *lctime(time_t *);
0Sstevel@tonic-gateextern int safe_open(int, const char *file, int mode, int perms);
0Sstevel@tonic-gateextern FILE *safe_fopen(const char *filename, const char *smode, int perms);
0Sstevel@tonic-gateextern void reset_dump(void);
0Sstevel@tonic-gateextern void get_next_device(void);
0Sstevel@tonic-gateextern void initpagercmd(void);
0Sstevel@tonic-gateextern void resolve(char *, int *, char **);
0Sstevel@tonic-gateextern int complexcopy(char *, char *, int);
0Sstevel@tonic-gate#else	/* !STDC */
0Sstevel@tonic-gateextern int mkentry();
0Sstevel@tonic-gateextern int expand();
0Sstevel@tonic-gateextern ino_t psearch();
0Sstevel@tonic-gateextern void metaget();
0Sstevel@tonic-gateextern void metaproc();
0Sstevel@tonic-gateextern long listfile();
0Sstevel@tonic-gateextern long addfile();
0Sstevel@tonic-gateextern long deletefile();
0Sstevel@tonic-gateextern long nodeupdates();
0Sstevel@tonic-gateextern long verifyfile();
0Sstevel@tonic-gateextern void extractdirs();
0Sstevel@tonic-gateextern void skipdirs();
0Sstevel@tonic-gateextern void treescan();
0Sstevel@tonic-gateextern RST_DIR *rst_opendir();
0Sstevel@tonic-gateextern void rst_closedir();
0Sstevel@tonic-gateextern struct direct *rst_readdir();
0Sstevel@tonic-gateextern void setdirmodes();
0Sstevel@tonic-gateextern int genliteraldir();
0Sstevel@tonic-gateextern int inodetype();
0Sstevel@tonic-gateextern void done();
0Sstevel@tonic-gateextern void runcmdshell();
0Sstevel@tonic-gateextern void canon();
0Sstevel@tonic-gateextern void onintr();
0Sstevel@tonic-gateextern void removeoldleaves();
0Sstevel@tonic-gateextern void findunreflinks();
0Sstevel@tonic-gateextern void removeoldnodes();
0Sstevel@tonic-gateextern void createleaves();
0Sstevel@tonic-gateextern void createfiles();
0Sstevel@tonic-gateextern void createlinks();
0Sstevel@tonic-gateextern void checkrestore();
0Sstevel@tonic-gateextern void setinput();
0Sstevel@tonic-gateextern void newtapebuf();
0Sstevel@tonic-gateextern void setup();
0Sstevel@tonic-gateextern void setupR();
0Sstevel@tonic-gateextern void getvol();
0Sstevel@tonic-gateextern void printdumpinfo();
0Sstevel@tonic-gateextern int extractfile();
0Sstevel@tonic-gateextern void skipmaps();
0Sstevel@tonic-gateextern void skipfile();
0Sstevel@tonic-gateextern void getfile();
0Sstevel@tonic-gateextern void null();
0Sstevel@tonic-gateextern void findtapeblksize();
0Sstevel@tonic-gateextern void flsht();
0Sstevel@tonic-gateextern void closemt();
0Sstevel@tonic-gateextern int readhdr();
0Sstevel@tonic-gateextern int gethead();
0Sstevel@tonic-gateextern int volnumber();
0Sstevel@tonic-gateextern void findinode();
0Sstevel@tonic-gateextern void pathcheck();
0Sstevel@tonic-gateextern void renameit();
0Sstevel@tonic-gateextern int linkit();
0Sstevel@tonic-gateextern int lf_linkit();
0Sstevel@tonic-gateextern int reply();
0Sstevel@tonic-gateextern void panic();
0Sstevel@tonic-gateextern char *lctime();
0Sstevel@tonic-gateextern int safe_open();
0Sstevel@tonic-gateextern FILE *safe_fopen();
0Sstevel@tonic-gateextern void reset_dump();
0Sstevel@tonic-gateextern void get_next_device();
0Sstevel@tonic-gateextern void initpagercmd();
0Sstevel@tonic-gateextern void resolve();
0Sstevel@tonic-gateextern int complexcopy();
0Sstevel@tonic-gate#endif	/* STDC */
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Useful macros
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	MWORD(m, i)	((m)[(ino_t)((i)-1)/NBBY])
0Sstevel@tonic-gate#define	MBIT(i)		(1<<((ino_t)((i)-1)%NBBY))
0Sstevel@tonic-gate#define	BIS(i, w)	(MWORD((w), (i)) |=  MBIT(i))
0Sstevel@tonic-gate#define	BIC(i, w)	(MWORD((w), (i)) &= ~MBIT(i))
0Sstevel@tonic-gate#define	BIT(i, w)	(MWORD((w), (i)) & MBIT(i))
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Macro used to get to the last segment of a complex string
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	LASTPART(s)	{int len = strlen(s)+1;\
0Sstevel@tonic-gate				while (s[len] != '\0')\
0Sstevel@tonic-gate					{s += len; len = strlen(s)+1; }\
0Sstevel@tonic-gate			}
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Define maximum length of complex string.  For now we use
0Sstevel@tonic-gate * MAXPATHLEN * 2 since recursion is not (yet) supported.
0Sstevel@tonic-gate * (add 3 for the 3 NULL characters in a two-part path)
0Sstevel@tonic-gate * Note that each component of a complex string is still
0Sstevel@tonic-gate * limited to MAXPATHLEN length.
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	MAXCOMPLEXLEN	(MAXPATHLEN*2 + 3)
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Define an overflow-free version of howmany so that we don't
0Sstevel@tonic-gate * run into trouble with large files.
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	d_howmany(x, y)	((x) / (y) + ((x) % (y) != 0))
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Defines used by findtapeblksize()
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	TAPE_FILE	0
0Sstevel@tonic-gate#define	ARCHIVE_FILE	1
0Sstevel@tonic-gate
*1053Smaheshvs#undef	setjmp
0Sstevel@tonic-gate#define	setjmp(b)		sigsetjmp((b), 1)
0Sstevel@tonic-gate#define	longjmp			siglongjmp
0Sstevel@tonic-gate#define	jmp_buf			sigjmp_buf
0Sstevel@tonic-gate#define	chown			lchown
0Sstevel@tonic-gate
0Sstevel@tonic-gate/*
0Sstevel@tonic-gate * Defaults
0Sstevel@tonic-gate */
0Sstevel@tonic-gate#define	TAPE	"/dev/rmt/0b"		/* default tape device */
0Sstevel@tonic-gate#define	RESTORESYMTABLE	"./restoresymtable"
0Sstevel@tonic-gate
0Sstevel@tonic-gate#define	dprintf		if (dflag) (void) fprintf
0Sstevel@tonic-gate#define	vprintf		if (vflag) (void) fprintf
0Sstevel@tonic-gate
0Sstevel@tonic-gate#define	GOOD 1
0Sstevel@tonic-gate#define	FAIL 0
0Sstevel@tonic-gate
426Srm88369#define	ALLOW_OFFLINE	0
426Srm88369#define	FORCE_OFFLINE	1		/* offline drive for autoload */
426Srm88369
0Sstevel@tonic-gate#define	DEF_PAGER	"/usr/bin/more"
0Sstevel@tonic-gate
0Sstevel@tonic-gate#ifdef	__cplusplus
0Sstevel@tonic-gate}
0Sstevel@tonic-gate#endif
0Sstevel@tonic-gate
0Sstevel@tonic-gate#endif /* _RESTORE_H */