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dumprestore.h
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C/C++ Source or Header
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1990-01-22
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1KB
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58 lines
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)dumprestore.h 5.1 (Berkeley) 6/5/85
*/
/*
* TP_BSIZE is the size of file blocks on the dump tapes.
* Note that TP_BSIZE must be a multiple of DEV_BSIZE.
*
* NTREC is the number of TP_BSIZE blocks that are written
* in each tape record. HIGHDENSITYTREC is the number of
* TP_BSIZE blocks that are written in each tape record on
* 6250 BPI or higher density tapes.
*
* TP_NINDIR is the number of indirect pointers in a TS_INODE
* or TS_ADDR record. Note that it must be a power of two.
*/
#define TP_BSIZE 1024
#define NTREC 10
#define HIGHDENSITYTREC 32
#define TP_NINDIR (TP_BSIZE/2)
#define TS_TAPE 1
#define TS_INODE 2
#define TS_BITS 3
#define TS_ADDR 4
#define TS_END 5
#define TS_CLRI 6
#define OFS_MAGIC (int)60011
#define NFS_MAGIC (int)60012
#define CHECKSUM (int)84446
union u_spcl {
char dummy[TP_BSIZE];
struct s_spcl {
int c_type;
time_t c_date;
time_t c_ddate;
int c_volume;
daddr_t c_tapea;
ino_t c_inumber;
int c_magic;
int c_checksum;
struct dinode c_dinode;
int c_count;
char c_addr[TP_NINDIR];
} s_spcl;
} u_spcl;
#define spcl u_spcl.s_spcl
#define DUMPOUTFMT "%-16s %c %s" /* for printf */
/* name, incno, ctime(date) */
#define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */