xref: /csrg-svn/sbin/dump/dump.h (revision 4774)
11421Sroot /*
2*4774Smckusic  * "@(#)dump.h	1.3 (Berkeley) 11/07/81"
31421Sroot  */
41421Sroot #define	NI	16
51421Sroot #define	DIRPB	(BSIZE/sizeof(struct direct))
61421Sroot 
71421Sroot #include <stdio.h>
81421Sroot #include <ctype.h>
94701Smckusic #include "../../h/param.h"
104701Smckusic #include "../../h/stat.h"
114701Smckusic #include "../../h/fs.h"
124701Smckusic #include "../../h/inode.h"
134701Smckusic #include "../../h/dir.h"
14*4774Smckusic #include "../../h/dumprestor.h"
151421Sroot #include <utmp.h>
161421Sroot #include <time.h>
171421Sroot #include <signal.h>
184701Smckusic int (*signal())();
191421Sroot #include <fstab.h>
201421Sroot 
211421Sroot #define	MWORD(m,i)	(m[(unsigned)(i-1)/MLEN])
221421Sroot #define	MBIT(i)		(1<<((unsigned)(i-1)%MLEN))
231421Sroot #define	BIS(i,w)	(MWORD(w,i) |=  MBIT(i))
241421Sroot #define	BIC(i,w)	(MWORD(w,i) &= ~MBIT(i))
251421Sroot #define	BIT(i,w)	(MWORD(w,i) & MBIT(i))
261421Sroot 
271421Sroot short	clrmap[MSIZ];
281421Sroot short	dirmap[MSIZ];
291421Sroot short	nodmap[MSIZ];
301421Sroot 
311421Sroot /*
321421Sroot  *	All calculations done in 0.1" units!
331421Sroot  */
341421Sroot 
351421Sroot char	*disk;		/* name of the disk file */
361421Sroot char	*tape;		/* name of the tape file */
371421Sroot char	*increm;	/* name of the file containing incremental information*/
381421Sroot char	incno;		/* increment number */
391421Sroot int	uflag;		/* update flag */
401421Sroot int	fi;		/* disk file descriptor */
411421Sroot int	to;		/* tape file descriptor */
421421Sroot ino_t	ino;		/* current inumber; used globally */
431421Sroot int	nsubdir;
441421Sroot int	newtape;	/* new tape flag */
451421Sroot int	nadded;		/* number of added sub directories */
461421Sroot int	dadded;		/* directory added flag */
471421Sroot int	density;	/* density in 0.1" units */
481421Sroot long	tsize;		/* tape size in 0.1" units */
491421Sroot long	esize;		/* estimated tape size, blocks */
501421Sroot long	asize;		/* number of 0.1" units written on current tape */
511421Sroot int	etapes;		/* estimated number of tapes */
521421Sroot 
531421Sroot int	notify;		/* notify operator flag */
541421Sroot int	blockswritten;	/* number of blocks written on current tape */
551421Sroot int	tapeno;		/* current tape number */
561421Sroot time_t	tstart_writing;	/* when started writing the first tape block */
571421Sroot char	*processname;
581421Sroot 
591421Sroot char	*ctime();
601421Sroot char	*prdate();
611421Sroot long	atol();
621421Sroot int	mark();
631421Sroot int	add();
641421Sroot int	dump();
651421Sroot int	tapsrec();
661421Sroot int	dmpspc();
671421Sroot int	dsrch();
681421Sroot int	nullf();
691421Sroot char	*getsuffix();
701421Sroot char	*rawname();
714701Smckusic struct dinode *getino();
721421Sroot 
731421Sroot int	interrupt();		/* in case operator bangs on console */
741421Sroot 
751421Sroot #define	HOUR	(60L*60L)
761421Sroot #define	DAY	(24L*HOUR)
771421Sroot #define	YEAR	(365L*DAY)
781421Sroot 
791421Sroot /*
801421Sroot  *	Exit status codes
811421Sroot  */
821421Sroot #define	X_FINOK		1	/* normal exit */
831421Sroot #define	X_REWRITE	2	/* restart writing from the check point */
841421Sroot #define	X_ABORT		3	/* abort all of dump; don't attempt checkpointing*/
851421Sroot 
861421Sroot #ifdef DEBUG
871421Sroot #define	OINCREM	"./ddate"		/*old format incremental info*/
881421Sroot #define	NINCREM	"./dumpdates"		/*new format incremental info*/
891421Sroot #else not DEBUG
901421Sroot #define	OINCREM	"/etc/ddate"		/*old format incremental info*/
911421Sroot #define	NINCREM	"/etc/dumpdates"	/*new format incremental info*/
921421Sroot #endif
931421Sroot 
941421Sroot #define	TAPE	"/dev/rmt8"		/* default tape device */
951421Sroot #define	DISK	"/dev/rrp1g"		/* default disk */
961421Sroot #define	OPGRENT	"operator"		/* group entry to notify */
971421Sroot #define DIALUP	"ttyd"			/* prefix for dialups */
981421Sroot 
991421Sroot #define	MAXFSTAB		32
1001421Sroot struct	fstab	fstab[MAXFSTAB];
1011421Sroot struct	fstab	*fstabsearch();	/* search in fs_file and fs_spec */
1021421Sroot int	nfstab;
1031421Sroot 
1041421Sroot /*
1051421Sroot  *	The contents of the file NINCREM is maintained both on
1061421Sroot  *	a linked list, and then (eventually) arrayified.
1071421Sroot  */
1081421Sroot struct	itime{
1091421Sroot 	struct	idates	it_value;
1101421Sroot 	struct	itime	*it_next;
1111421Sroot };
1121421Sroot struct	itime	*ithead;	/* head of the list version */
1131421Sroot int	nidates;		/* number of records (might be zero) */
1141421Sroot int	idates_in;		/* we have read the increment file */
1151421Sroot struct	idates	**idatev;	/* the arrayfied version */
1161421Sroot #define	ITITERATE(i, ip) for (i = 0,ip = idatev[0]; i < nidates; i++, ip = idatev[i])
1171421Sroot 
1181421Sroot /*
1191421Sroot  *	We catch these interrupts
1201421Sroot  */
1211421Sroot int	sighup();
1221421Sroot int	sigquit();
1231421Sroot int	sigill();
1241421Sroot int	sigtrap();
1251421Sroot int	sigfpe();
1261421Sroot int	sigkill();
1271421Sroot int	sigbus();
1281421Sroot int	sigsegv();
1291421Sroot int	sigsys();
1301421Sroot int	sigalrm();
1311421Sroot int	sigterm();
132