xref: /csrg-svn/old/dump.4.1/dump.h (revision 13048)
1 /*
2  * "@(#)dump.h	1.3 (Berkeley) 06/12/83"
3  */
4 #define	NI	16
5 #define	DIRPB	(BSIZE/sizeof(struct direct))
6 
7 #include <stdio.h>
8 #include <ctype.h>
9 #include <fstab.h>
10 #include <signal.h>
11 #include <utmp.h>
12 #include "include.4.1/sys/param.h"
13 #include "include.4.1/sys/stat.h"
14 #include "include.4.1/sys/filsys.h"
15 #include "include.4.1/sys/ino.h"
16 #include "include.4.1/sys/inode.h"
17 #include "include.4.1/sys/fblk.h"
18 #include "include.4.1/sys/dir.h"
19 #include "include.4.1/time.h"
20 #include "include.4.1/dumprestor.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	pipeout;	/* true => output to standard output */
39 char	*increm;	/* name of the file containing incremental information*/
40 char	incno;		/* increment number */
41 int	uflag;		/* update flag */
42 int	fi;		/* disk file descriptor */
43 int	to;		/* tape file descriptor */
44 ino_t	ino;		/* current inumber; used globally */
45 int	nsubdir;
46 int	newtape;	/* new tape flag */
47 int	nadded;		/* number of added sub directories */
48 int	dadded;		/* directory added flag */
49 int	density;	/* density in 0.1" units */
50 long	tsize;		/* tape size in 0.1" units */
51 long	esize;		/* estimated tape size, blocks */
52 long	asize;		/* number of 0.1" units written on current tape */
53 int	etapes;		/* estimated number of tapes */
54 
55 int	notify;		/* notify operator flag */
56 int	blockswritten;	/* number of blocks written on current tape */
57 int	tapeno;		/* current tape number */
58 time_t	tstart_writing;	/* when started writing the first tape block */
59 char	*processname;
60 
61 char	*ctime();
62 char	*prdate();
63 long	atol();
64 int	mark();
65 int	add();
66 int	dump();
67 int	tapsrec();
68 int	dmpspc();
69 int	dsrch();
70 int	nullf();
71 char	*getsuffix();
72 char	*rawname();
73 
74 int	interrupt();		/* in case operator bangs on console */
75 
76 #define	HOUR	(60L*60L)
77 #define	DAY	(24L*HOUR)
78 #define	YEAR	(365L*DAY)
79 
80 /*
81  *	Exit status codes
82  */
83 #define	X_FINOK		1	/* normal exit */
84 #define	X_REWRITE	2	/* restart writing from the check point */
85 #define	X_ABORT		3	/* abort all of dump; don't attempt checkpointing*/
86 
87 #ifdef DEBUG
88 #define	OINCREM	"./ddate"		/*old format incremental info*/
89 #define	NINCREM	"./dumpdates"		/*new format incremental info*/
90 #else not DEBUG
91 #define	OINCREM	"/etc/ddate"		/*old format incremental info*/
92 #define	NINCREM	"/etc/dumpdates"	/*new format incremental info*/
93 #endif
94 
95 #define	TAPE	"/dev/rmt8"		/* default tape device */
96 #define	DISK	"/dev/rrp1g"		/* default disk */
97 #define	OPGRENT	"operator"		/* group entry to notify */
98 #define DIALUP	"ttyd"			/* prefix for dialups */
99 
100 struct	fstab	*fstabsearch();	/* search in fs_file and fs_spec */
101 
102 /*
103  *	The contents of the file NINCREM is maintained both on
104  *	a linked list, and then (eventually) arrayified.
105  */
106 struct	itime{
107 	struct	idates	it_value;
108 	struct	itime	*it_next;
109 };
110 struct	itime	*ithead;	/* head of the list version */
111 int	nidates;		/* number of records (might be zero) */
112 int	idates_in;		/* we have read the increment file */
113 struct	idates	**idatev;	/* the arrayfied version */
114 #define	ITITERATE(i, ip) for (i = 0,ip = idatev[0]; i < nidates; i++, ip = idatev[i])
115 
116 /*
117  *	We catch these interrupts
118  */
119 int	sighup();
120 int	sigquit();
121 int	sigill();
122 int	sigtrap();
123 int	sigfpe();
124 int	sigkill();
125 int	sigbus();
126 int	sigsegv();
127 int	sigsys();
128 int	sigalrm();
129 int	sigterm();
130