xref: /original-bsd/sbin/dump/dump.h (revision 5fb3de76)
1 /*
2  * "@(#)dump.h	1.1 (Berkeley) 10/13/80"
3  */
4 #define	NI	16
5 #define	DIRPB	(BSIZE/sizeof(struct direct))
6 
7 #include <stdio.h>
8 #include <ctype.h>
9 #include <sys/param.h>
10 #include <sys/stat.h>
11 #include <sys/filsys.h>
12 #include <sys/ino.h>
13 #include <sys/inode.h>
14 #include <sys/fblk.h>
15 #include <sys/dir.h>
16 #include <utmp.h>
17 #include <time.h>
18 #include <signal.h>
19 #include <dumprestor.h>
20 #include <fstab.h>
21 
22 #define	MWORD(m,i)	(m[(unsigned)(i-1)/MLEN])
23 #define	MBIT(i)		(1<<((unsigned)(i-1)%MLEN))
24 #define	BIS(i,w)	(MWORD(w,i) |=  MBIT(i))
25 #define	BIC(i,w)	(MWORD(w,i) &= ~MBIT(i))
26 #define	BIT(i,w)	(MWORD(w,i) & MBIT(i))
27 
28 short	clrmap[MSIZ];
29 short	dirmap[MSIZ];
30 short	nodmap[MSIZ];
31 
32 /*
33  *	All calculations done in 0.1" units!
34  */
35 
36 char	*disk;		/* name of the disk file */
37 char	*tape;		/* name of the tape file */
38 char	*increm;	/* name of the file containing incremental information*/
39 char	incno;		/* increment number */
40 int	uflag;		/* update flag */
41 int	fi;		/* disk file descriptor */
42 int	to;		/* tape file descriptor */
43 ino_t	ino;		/* current inumber; used globally */
44 int	nsubdir;
45 int	newtape;	/* new tape flag */
46 int	nadded;		/* number of added sub directories */
47 int	dadded;		/* directory added flag */
48 int	density;	/* density in 0.1" units */
49 long	tsize;		/* tape size in 0.1" units */
50 long	esize;		/* estimated tape size, blocks */
51 long	asize;		/* number of 0.1" units written on current tape */
52 int	etapes;		/* estimated number of tapes */
53 
54 int	notify;		/* notify operator flag */
55 int	blockswritten;	/* number of blocks written on current tape */
56 int	tapeno;		/* current tape number */
57 time_t	tstart_writing;	/* when started writing the first tape block */
58 char	*processname;
59 
60 char	*ctime();
61 char	*prdate();
62 long	atol();
63 int	mark();
64 int	add();
65 int	dump();
66 int	tapsrec();
67 int	dmpspc();
68 int	dsrch();
69 int	nullf();
70 char	*getsuffix();
71 char	*rawname();
72 
73 int	interrupt();		/* in case operator bangs on console */
74 
75 #define	HOUR	(60L*60L)
76 #define	DAY	(24L*HOUR)
77 #define	YEAR	(365L*DAY)
78 
79 /*
80  *	Exit status codes
81  */
82 #define	X_FINOK		1	/* normal exit */
83 #define	X_REWRITE	2	/* restart writing from the check point */
84 #define	X_ABORT		3	/* abort all of dump; don't attempt checkpointing*/
85 
86 #ifdef DEBUG
87 #define	OINCREM	"./ddate"		/*old format incremental info*/
88 #define	NINCREM	"./dumpdates"		/*new format incremental info*/
89 #else not DEBUG
90 #define	OINCREM	"/etc/ddate"		/*old format incremental info*/
91 #define	NINCREM	"/etc/dumpdates"	/*new format incremental info*/
92 #endif
93 
94 #define	TAPE	"/dev/rmt8"		/* default tape device */
95 #define	DISK	"/dev/rrp1g"		/* default disk */
96 #define	OPGRENT	"operator"		/* group entry to notify */
97 #define DIALUP	"ttyd"			/* prefix for dialups */
98 
99 #define	MAXFSTAB		32
100 struct	fstab	fstab[MAXFSTAB];
101 struct	fstab	*fstabsearch();	/* search in fs_file and fs_spec */
102 int	nfstab;
103 
104 /*
105  *	The contents of the file NINCREM is maintained both on
106  *	a linked list, and then (eventually) arrayified.
107  */
108 struct	itime{
109 	struct	idates	it_value;
110 	struct	itime	*it_next;
111 };
112 struct	itime	*ithead;	/* head of the list version */
113 int	nidates;		/* number of records (might be zero) */
114 int	idates_in;		/* we have read the increment file */
115 struct	idates	**idatev;	/* the arrayfied version */
116 #define	ITITERATE(i, ip) for (i = 0,ip = idatev[0]; i < nidates; i++, ip = idatev[i])
117 
118 /*
119  *	We catch these interrupts
120  */
121 int	sighup();
122 int	sigquit();
123 int	sigill();
124 int	sigtrap();
125 int	sigfpe();
126 int	sigkill();
127 int	sigbus();
128 int	sigsegv();
129 int	sigsys();
130 int	sigalrm();
131 int	sigterm();
132