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

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)restore.h	5.1 (Berkeley) %G%
 */

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

/*
 * 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	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 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 */

/*
 * 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 */
/*
 * 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();
extern DIR *rst_opendir();
extern struct direct *rst_readdir();
#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
8c5eec2f DF	1	/*
	2	* Copyright (c) 1983 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*
	6	* @(#)restore.h 5.1 (Berkeley) %G%
	7	*/
e0519353 KM	8
	9	#include <stdio.h>
	10	#include <sys/param.h>
	11	#include <sys/inode.h>
	12	#include <sys/fs.h>
f97d7036	13	#include <sys/dir.h>
e0519353 KM	14
	15	/*
	16	* Flags
	17	*/
	18	extern int cvtflag; /* convert from old to new tape format */
b97e998a	19	extern int bflag; /* set input block size */
e0519353 KM	20	extern int dflag; /* print out debugging info */
	21	extern int hflag; /* restore heirarchies */
	22	extern int mflag; /* restore by name instead of inode number */
	23	extern int vflag; /* print out actions taken */
	24	extern int yflag; /* always try to recover from tape errors */
	25	/*
	26	* Global variables
	27	*/
	28	extern char dumpmap; / map of inodes on this dump tape */
	29	extern char clrimap; / map of inodes to be deleted */
	30	extern ino_t maxino; /* highest numbered inode in this file system */
	31	extern long dumpnum; /* location of the dump on this tape */
	32	extern long volno; /* current volume being read */
19230a53	33	extern long ntrec; /* number of TP_BSIZE records per tape block */
2cb5dabb KM	34	extern time_t dumptime; /* time that this dump begins */
2cb5dabb KM	35	extern time_t dumpdate; /* time that this dump was made */
e0519353	36	extern char command; /* opration being performed */
7432ff81	37	extern FILE terminal; / file descriptor for the terminal input */
e0519353 KM	38
	39	/*
	40	* Each file in the file system is described by one of these entries
	41	*/
	42	struct entry {
	43	char e_name; / the current name of this entry */
	44	u_char e_namlen; /* length of this name */
	45	char e_type; /* type of this entry, see below */
	46	short e_flags; /* status flags, see below */
	47	ino_t e_ino; /* inode number in previous file sys */
16e2b8d5	48	long e_index; /* unique index (for dumpped table) */
e0519353 KM	49	struct entry e_parent; / pointer to parent directory (..) */
	50	struct entry e_sibling; / next element in this directory (.) */
	51	struct entry e_links; / hard links to this inode */
	52	struct entry e_entries; / for directories, their entries */
16e2b8d5	53	struct entry e_next; / hash chain list */
e0519353 KM	54	};
	55	/* types */
	56	#define LEAF 1 /* non-directory entry */
	57	#define NODE 2 /* directory entry */
	58	#define LINK 4 /* synthesized type, stripped by addentry */
	59	/* flags */
16e2b8d5 KM	60	#define EXTRACT 0x0001 /* entry is to be replaced from the tape */
	61	#define NEW 0x0002 /* a new entry to be extracted */
	62	#define KEEP 0x0004 /* entry is not to change */
	63	#define REMOVED 0x0010 /* entry has been removed */
	64	#define TMPNAME 0x0020 /* entry has been given a temporary name */
a7d37956	65	#define EXISTED 0x0040 /* directory already existed during extract */
e0519353 KM	66	/*
	67	* functions defined on entry structs
	68	*/
	69	extern struct entry *lookupino();
	70	extern struct entry *lookupname();
	71	extern struct entry *lookupparent();
	72	extern struct entry *addentry();
	73	extern char *myname();
	74	extern char *savename();
16e2b8d5	75	extern char *gentempname();
55f85ba7	76	extern char *flagvalues();
e0519353 KM	77	extern ino_t lowerbnd();
e0519353 KM	78	extern ino_t upperbnd();
f97d7036 KM	79	extern DIR *rst_opendir();
f97d7036 KM	80	extern struct direct *rst_readdir();
e0519353 KM	81	#define NIL ((struct entry *)(0))
	82	/*
	83	* Constants associated with entry structs
	84	*/
16e2b8d5 KM	85	#define HARDLINK 1
	86	#define SYMLINK 2
	87	#define TMPHDR "RSTTMP"
e0519353 KM	88
	89	/*
	90	* The entry describes the next file available on the tape
	91	*/
	92	struct context {
	93	char name; / name of file */
	94	ino_t ino; /* inumber of file */
	95	struct dinode dip; / pointer to inode */
	96	char action; /* action being taken on this file */
	97	} curfile;
	98	/* actions */
	99	#define USING 1 /* extracting from the tape */
	100	#define SKIP 2 /* skipping */
	101	#define UNKNOWN 3 /* disposition or starting point is unknown */
	102
	103	/*
	104	* Other exported routines
	105	*/
	106	extern ino_t psearch();
7432ff81	107	extern ino_t dirlookup();
314ac756	108	extern long listfile();
7432ff81	109	extern long deletefile();
314ac756 KM	110	extern long addfile();
	111	extern long nodeupdates();
	112	extern long verifyfile();
e0519353 KM	113	extern char *rindex();
e0519353 KM	114	extern char *index();
16e2b8d5	115	extern char *strcat();
7432ff81	116	extern char *strncat();
16e2b8d5	117	extern char *strcpy();
7432ff81 KM	118	extern char *strncpy();
7432ff81 KM	119	extern char *fgets();
16e2b8d5 KM	120	extern char *mktemp();
	121	extern char *malloc();
	122	extern char *calloc();
7432ff81	123	extern char *realloc();
16e2b8d5	124	extern long lseek();
e0519353 KM	125
	126	/*
	127	* Useful macros
	128	*/
	129	#define MWORD(m,i) (m[(unsigned)(i-1)/NBBY])
	130	#define MBIT(i) (1<<((unsigned)(i-1)%NBBY))
	131	#define BIS(i,w) (MWORD(w,i) \|= MBIT(i))
	132	#define BIC(i,w) (MWORD(w,i) &= ~MBIT(i))
	133	#define BIT(i,w) (MWORD(w,i) & MBIT(i))
	134
	135	#define dprintf if (dflag) fprintf
	136	#define vprintf if (vflag) fprintf
	137
2cb5dabb KM	138	#define GOOD 1
2cb5dabb KM	139	#define FAIL 0