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

/*
 * Copyright (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.
 *
 *	$Id$
 */
/*
 * Copyright (c) 1983 The Regents of the University of California.
 * All rights reserved.
 *
 * 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	5.8 (Berkeley) 6/1/90
 */

#include <stdio.h>
#include <sys/param.h>
#include <sys/time.h>
#include <ufs/dinode.h>
#include <ufs/fs.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	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	*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();
#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 */

/*
 * Definitions for library routines operating on directories.
 */
typedef struct dirdesc DIR;
extern DIR *rst_opendir();
extern struct direct *rst_readdir();

/*
 * 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
c2714ef5	1	/*
	2	* Copyright (c) UNIX System Laboratories, Inc. All or some portions
	3	* of this file are derived from material licensed to the
	4	* University of California by American Telephone and Telegraph Co.
	5	* or UNIX System Laboratories, Inc. and are reproduced herein with
	6	* the permission of UNIX System Laboratories, Inc.
	7	*
	8	* $Id$
	9	*/
15637ed4 RG	10	/*
	11	* Copyright (c) 1983 The Regents of the University of California.
	12	* All rights reserved.
	13	*
	14	* Redistribution and use in source and binary forms, with or without
	15	* modification, are permitted provided that the following conditions
	16	* are met:
	17	* 1. Redistributions of source code must retain the above copyright
	18	* notice, this list of conditions and the following disclaimer.
	19	* 2. Redistributions in binary form must reproduce the above copyright
	20	* notice, this list of conditions and the following disclaimer in the
	21	* documentation and/or other materials provided with the distribution.
	22	* 3. All advertising materials mentioning features or use of this software
	23	* must display the following acknowledgement:
	24	* This product includes software developed by the University of
	25	* California, Berkeley and its contributors.
	26	* 4. Neither the name of the University nor the names of its contributors
	27	* may be used to endorse or promote products derived from this software
	28	* without specific prior written permission.
	29	*
	30	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	31	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	32	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	33	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	34	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	35	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	36	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	37	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	38	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	39	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	40	* SUCH DAMAGE.
	41	*
	42	* @(#)restore.h 5.8 (Berkeley) 6/1/90
	43	*/
	44
	45	#include <stdio.h>
	46	#include <sys/param.h>
	47	#include <sys/time.h>
	48	#include <ufs/dinode.h>
	49	#include <ufs/fs.h>
	50
	51	/*
	52	* Flags
	53	*/
	54	extern int cvtflag; /* convert from old to new tape format */
	55	extern int bflag; /* set input block size */
	56	extern int dflag; /* print out debugging info */
	57	extern int hflag; /* restore heirarchies */
	58	extern int mflag; /* restore by name instead of inode number */
	59	extern int Nflag; /* do not write the disk */
	60	extern int vflag; /* print out actions taken */
	61	extern int yflag; /* always try to recover from tape errors */
	62	/*
	63	* Global variables
	64	*/
	65	extern char dumpmap; / map of inodes on this dump tape */
	66	extern char clrimap; / map of inodes to be deleted */
	67	extern ino_t maxino; /* highest numbered inode in this file system */
	68	extern long dumpnum; /* location of the dump on this tape */
	69	extern long volno; /* current volume being read */
	70	extern long ntrec; /* number of TP_BSIZE records per tape block */
	71	extern time_t dumptime; /* time that this dump begins */
	72	extern time_t dumpdate; /* time that this dump was made */
	73	extern char command; /* opration being performed */
74	extern FILE terminal; / file descriptor for the terminal input */
75
76	/*
77	* Each file in the file system is described by one of these entries
78	*/
79	struct entry {
80	char e_name; / the current name of this entry */
81	u_char e_namlen; /* length of this name */
82	char e_type; /* type of this entry, see below */
83	short e_flags; /* status flags, see below */
84	ino_t e_ino; /* inode number in previous file sys */
85	long e_index; /* unique index (for dumpped table) */
86	struct entry e_parent; / pointer to parent directory (..) */
87	struct entry e_sibling; / next element in this directory (.) */
88	struct entry e_links; / hard links to this inode */
89	struct entry e_entries; / for directories, their entries */
90	struct entry e_next; / hash chain list */
91	};
92	/* types */
93	#define LEAF 1 /* non-directory entry */
94	#define NODE 2 /* directory entry */
95	#define LINK 4 /* synthesized type, stripped by addentry */
96	/* flags */
97	#define EXTRACT 0x0001 /* entry is to be replaced from the tape */
98	#define NEW 0x0002 /* a new entry to be extracted */
99	#define KEEP 0x0004 /* entry is not to change */
100	#define REMOVED 0x0010 /* entry has been removed */
101	#define TMPNAME 0x0020 /* entry has been given a temporary name */
102	#define EXISTED 0x0040 /* directory already existed during extract */
103	/*
104	* functions defined on entry structs
105	*/
106	extern struct entry *lookupino();
107	extern struct entry *lookupname();
108	extern struct entry *lookupparent();
109	extern struct entry *addentry();
110	extern char *myname();
111	extern char *savename();
112	extern char *gentempname();
113	extern char *flagvalues();
114	extern ino_t lowerbnd();
115	extern ino_t upperbnd();
116	#define NIL ((struct entry *)(0))
117	/*
118	* Constants associated with entry structs
119	*/
120	#define HARDLINK 1
121	#define SYMLINK 2
122	#define TMPHDR "RSTTMP"
123
124	/*
125	* The entry describes the next file available on the tape
126	*/
127	struct context {
128	char name; / name of file */
129	ino_t ino; /* inumber of file */
130	struct dinode dip; / pointer to inode */
131	char action; /* action being taken on this file */
132	} curfile;
133	/* actions */
134	#define USING 1 /* extracting from the tape */
135	#define SKIP 2 /* skipping */
136	#define UNKNOWN 3 /* disposition or starting point is unknown */
137
138	/*
139	* Definitions for library routines operating on directories.
140	*/
141	typedef struct dirdesc DIR;
142	extern DIR *rst_opendir();
143	extern struct direct *rst_readdir();
144
145	/*
146	* Other exported routines
147	*/
148	extern ino_t psearch();
149	extern ino_t dirlookup();
150	extern long listfile();
151	extern long deletefile();
152	extern long addfile();
153	extern long nodeupdates();
154	extern long verifyfile();
155	extern char *rindex();
156	extern char *index();
157	extern char *strcat();
158	extern char *strncat();
159	extern char *strcpy();
160	extern char *strncpy();
161	extern char *fgets();
162	extern char *mktemp();
163	extern char *malloc();
164	extern char *calloc();
165	extern char *realloc();
166	extern long lseek();
167
168	/*
169	* Useful macros
170	*/
171	#define MWORD(m,i) (m[(unsigned)(i-1)/NBBY])
172	#define MBIT(i) (1<<((unsigned)(i-1)%NBBY))
173	#define BIS(i,w) (MWORD(w,i) \|= MBIT(i))
174	#define BIC(i,w) (MWORD(w,i) &= ~MBIT(i))
175	#define BIT(i,w) (MWORD(w,i) & MBIT(i))
176
177	#define dprintf if (dflag) fprintf
178	#define vprintf if (vflag) fprintf
179
180	#define GOOD 1
181	#define FAIL 0