[unix-history] / usr / src / sbin / restore / restore.h

/* Copyright (c) 1983 Regents of the University of California */

/*	@(#)restore.h	3.7	(Berkeley)	83/04/19	*/

#include <stdio.h>
#include <sys/param.h>
#include <sys/inode.h>
#include <sys/fs.h>

/*
 * Flags
 */
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 */
/*
 * Global variables
 */
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 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 */

/*
 * 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 */
/*
 * functions defined on entry structs
 */
extern struct entry *lookupino();
extern struct entry *lookupname();
extern struct entry *lookupparent();
extern struct entry *addentry();
extern char *myname();
extern char *savename();
extern char *gentempname();
extern char *flagvalues();
extern ino_t lowerbnd();
extern ino_t upperbnd();
#define NIL ((struct entry *)(0))
/*
 * 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 */

/*
 * Other exported routines
 */
extern ino_t psearch();
extern ino_t dirlookup();
extern long listfile();
extern long deletefile();
extern long addfile();
extern long nodeupdates();
extern long verifyfile();
extern char *rindex();
extern char *index();
extern char *strcat();
extern char *strncat();
extern char *strcpy();
extern char *strncpy();
extern char *fgets();
extern char *mktemp();
extern char *malloc();
extern char *calloc();
extern char *realloc();
extern long lseek();

/*
 * Useful macros
 */
#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

#define GOOD 1
#define FAIL 0
Commit	Line	Data
e0519353 KM	1	/* Copyright (c) 1983 Regents of the University of California */
e0519353 KM	2
7432ff81	3	/* @(#)restore.h 3.7 (Berkeley) 83/04/19 */
e0519353 KM	4
	5	#include <stdio.h>
	6	#include <sys/param.h>
	7	#include <sys/inode.h>
	8	#include <sys/fs.h>
	9
	10	/*
	11	* Flags
	12	*/
	13	extern int cvtflag; /* convert from old to new tape format */
	14	extern int dflag; /* print out debugging info */
	15	extern int hflag; /* restore heirarchies */
	16	extern int mflag; /* restore by name instead of inode number */
	17	extern int vflag; /* print out actions taken */
	18	extern int yflag; /* always try to recover from tape errors */
	19	/*
	20	* Global variables
	21	*/
	22	extern char dumpmap; / map of inodes on this dump tape */
	23	extern char clrimap; / map of inodes to be deleted */
	24	extern ino_t maxino; /* highest numbered inode in this file system */
	25	extern long dumpnum; /* location of the dump on this tape */
	26	extern long volno; /* current volume being read */
2cb5dabb KM	27	extern time_t dumptime; /* time that this dump begins */
2cb5dabb KM	28	extern time_t dumpdate; /* time that this dump was made */
e0519353	29	extern char command; /* opration being performed */
7432ff81	30	extern FILE terminal; / file descriptor for the terminal input */
e0519353 KM	31
	32	/*
	33	* Each file in the file system is described by one of these entries
	34	*/
	35	struct entry {
	36	char e_name; / the current name of this entry */
	37	u_char e_namlen; /* length of this name */
	38	char e_type; /* type of this entry, see below */
	39	short e_flags; /* status flags, see below */
	40	ino_t e_ino; /* inode number in previous file sys */
16e2b8d5	41	long e_index; /* unique index (for dumpped table) */
e0519353 KM	42	struct entry e_parent; / pointer to parent directory (..) */
	43	struct entry e_sibling; / next element in this directory (.) */
	44	struct entry e_links; / hard links to this inode */
	45	struct entry e_entries; / for directories, their entries */
16e2b8d5	46	struct entry e_next; / hash chain list */
e0519353 KM	47	};
	48	/* types */
	49	#define LEAF 1 /* non-directory entry */
	50	#define NODE 2 /* directory entry */
	51	#define LINK 4 /* synthesized type, stripped by addentry */
	52	/* flags */
16e2b8d5 KM	53	#define EXTRACT 0x0001 /* entry is to be replaced from the tape */
	54	#define NEW 0x0002 /* a new entry to be extracted */
	55	#define KEEP 0x0004 /* entry is not to change */
	56	#define REMOVED 0x0010 /* entry has been removed */
	57	#define TMPNAME 0x0020 /* entry has been given a temporary name */
e0519353 KM	58	/*
	59	* functions defined on entry structs
	60	*/
	61	extern struct entry *lookupino();
	62	extern struct entry *lookupname();
	63	extern struct entry *lookupparent();
	64	extern struct entry *addentry();
	65	extern char *myname();
	66	extern char *savename();
16e2b8d5	67	extern char *gentempname();
55f85ba7	68	extern char *flagvalues();
e0519353 KM	69	extern ino_t lowerbnd();
	70	extern ino_t upperbnd();
	71	#define NIL ((struct entry *)(0))
	72	/*
	73	* Constants associated with entry structs
	74	*/
16e2b8d5 KM	75	#define HARDLINK 1
	76	#define SYMLINK 2
	77	#define TMPHDR "RSTTMP"
e0519353 KM	78
	79	/*
	80	* The entry describes the next file available on the tape
	81	*/
	82	struct context {
	83	char name; / name of file */
	84	ino_t ino; /* inumber of file */
	85	struct dinode dip; / pointer to inode */
	86	char action; /* action being taken on this file */
	87	} curfile;
	88	/* actions */
	89	#define USING 1 /* extracting from the tape */
	90	#define SKIP 2 /* skipping */
	91	#define UNKNOWN 3 /* disposition or starting point is unknown */
	92
	93	/*
	94	* Other exported routines
	95	*/
	96	extern ino_t psearch();
7432ff81	97	extern ino_t dirlookup();
314ac756	98	extern long listfile();
7432ff81	99	extern long deletefile();
314ac756 KM	100	extern long addfile();
	101	extern long nodeupdates();
	102	extern long verifyfile();
e0519353 KM	103	extern char *rindex();
e0519353 KM	104	extern char *index();
16e2b8d5	105	extern char *strcat();
7432ff81	106	extern char *strncat();
16e2b8d5	107	extern char *strcpy();
7432ff81 KM	108	extern char *strncpy();
7432ff81 KM	109	extern char *fgets();
16e2b8d5 KM	110	extern char *mktemp();
	111	extern char *malloc();
	112	extern char *calloc();
7432ff81	113	extern char *realloc();
16e2b8d5	114	extern long lseek();
e0519353 KM	115
	116	/*
	117	* Useful macros
	118	*/
	119	#define MWORD(m,i) (m[(unsigned)(i-1)/NBBY])
	120	#define MBIT(i) (1<<((unsigned)(i-1)%NBBY))
	121	#define BIS(i,w) (MWORD(w,i) \|= MBIT(i))
	122	#define BIC(i,w) (MWORD(w,i) &= ~MBIT(i))
	123	#define BIT(i,w) (MWORD(w,i) & MBIT(i))
	124
	125	#define dprintf if (dflag) fprintf
	126	#define vprintf if (vflag) fprintf
	127
2cb5dabb KM	128	#define GOOD 1
2cb5dabb KM	129	#define FAIL 0