dump.h revision 1.13
1 /* $NetBSD: dump.h,v 1.13 1997/09/16 06:41:20 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)dump.h 8.2 (Berkeley) 4/28/95 36 */ 37 38 #define MAXINOPB (MAXBSIZE / sizeof(struct dinode)) 39 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 40 41 /* 42 * Dump maps used to describe what is to be dumped. 43 */ 44 int mapsize; /* size of the state maps */ 45 char *usedinomap; /* map of allocated inodes */ 46 char *dumpdirmap; /* map of directories to be dumped */ 47 char *dumpinomap; /* map of files to be dumped */ 48 /* 49 * Map manipulation macros. 50 */ 51 #define SETINO(ino, map) \ 52 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 53 #define CLRINO(ino, map) \ 54 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY)) 55 #define TSTINO(ino, map) \ 56 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 57 58 /* 59 * All calculations done in 0.1" units! 60 */ 61 char *disk; /* name of the disk file */ 62 char *tape; /* name of the tape file */ 63 char *dumpdates; /* name of the file containing dump date information*/ 64 char *temp; /* name of the file for doing rewrite of dumpdates */ 65 char lastlevel; /* dump level of previous dump */ 66 char level; /* dump level of this dump */ 67 int uflag; /* update flag */ 68 int diskfd; /* disk file descriptor */ 69 int tapefd; /* tape file descriptor */ 70 int pipeout; /* true => output to standard output */ 71 ino_t curino; /* current inumber; used globally */ 72 int newtape; /* new tape flag */ 73 int density; /* density in 0.1" units */ 74 long tapesize; /* estimated tape size, blocks */ 75 long tsize; /* tape size in 0.1" units */ 76 long asize; /* number of 0.1" units written on current tape */ 77 int etapes; /* estimated number of tapes */ 78 int nonodump; /* if set, do not honor UF_NODUMP user flags */ 79 80 int notify; /* notify operator flag */ 81 int blockswritten; /* number of blocks written on current tape */ 82 int tapeno; /* current tape number */ 83 time_t tstart_writing; /* when started writing the first tape block */ 84 int xferrate; /* averaged transfer rate of all volumes */ 85 struct fs *sblock; /* the file system super block */ 86 char sblock_buf[MAXBSIZE]; 87 long dev_bsize; /* block size of underlying disk device */ 88 int dev_bshift; /* log2(dev_bsize) */ 89 int tp_bshift; /* log2(TP_BSIZE) */ 90 91 #ifndef __P 92 #include <sys/cdefs.h> 93 #endif 94 95 /* operator interface functions */ 96 void broadcast __P((char *message)); 97 void lastdump __P((int arg)); /* int should be char */ 98 void msg __P((const char *fmt, ...)); 99 void msgtail __P((const char *fmt, ...)); 100 int query __P((char *question)); 101 void quit __P((const char *fmt, ...)); 102 void set_operators __P((void)); 103 time_t do_stats __P((void)); 104 void statussig __P((int)); 105 void timeest __P((void)); 106 time_t unctime __P((char *str)); 107 108 /* mapping routines */ 109 struct dinode; 110 long blockest __P((struct dinode *dp)); 111 void mapfileino __P((ino_t, long *, int *)); 112 int mapfiles __P((ino_t maxino, long *tapesize, char *disk, 113 char * const *dirv)); 114 int mapdirs __P((ino_t maxino, long *tapesize)); 115 116 /* file dumping routines */ 117 void blksout __P((daddr_t *blkp, int frags, ino_t ino)); 118 void bread __P((daddr_t blkno, char *buf, int size)); 119 void dumpino __P((struct dinode *dp, ino_t ino)); 120 void dumpmap __P((char *map, int type, ino_t ino)); 121 void writeheader __P((ino_t ino)); 122 123 /* tape writing routines */ 124 int alloctape __P((void)); 125 void close_rewind __P((void)); 126 void dumpblock __P((daddr_t blkno, int size)); 127 void startnewtape __P((int top)); 128 void trewind __P((void)); 129 void writerec __P((char *dp, int isspcl)); 130 131 void Exit __P((int status)); 132 void dumpabort __P((int signo)); 133 void getfstab __P((void)); 134 135 char *rawname __P((char *cp)); 136 struct dinode *getino __P((ino_t inum)); 137 138 /* rdump routines */ 139 #ifdef RDUMP 140 void rmtclose __P((void)); 141 int rmthost __P((char *host)); 142 int rmtopen __P((char *tape, int mode)); 143 int rmtwrite __P((char *buf, int count)); 144 #endif /* RDUMP */ 145 146 void interrupt __P((int signo)); /* in case operator bangs on console */ 147 148 /* 149 * Exit status codes 150 */ 151 #define X_FINOK 0 /* normal exit */ 152 #define X_REWRITE 2 /* restart writing from the check point */ 153 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 154 155 #define OPGRENT "operator" /* group entry to notify */ 156 #define DIALUP "ttyd" /* prefix for dialups */ 157 158 struct fstab *fstabsearch __P((char *key)); /* search fs_file and fs_spec */ 159 160 #ifndef NAME_MAX 161 #define NAME_MAX 255 162 #endif 163 164 /* 165 * The contents of the file _PATH_DUMPDATES is maintained both on 166 * a linked list, and then (eventually) arrayified. 167 */ 168 struct dumpdates { 169 char dd_name[NAME_MAX+3]; 170 char dd_level; 171 time_t dd_ddate; 172 }; 173 struct dumptime { 174 struct dumpdates dt_value; 175 struct dumptime *dt_next; 176 }; 177 struct dumptime *dthead; /* head of the list version */ 178 int nddates; /* number of records (might be zero) */ 179 int ddates_in; /* we have read the increment file */ 180 struct dumpdates **ddatev; /* the arrayfied version */ 181 void initdumptimes __P((void)); 182 void getdumptime __P((void)); 183 void putdumptime __P((void)); 184 #define ITITERATE(i, ddp) \ 185 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 186 187 void sig __P((int signo)); 188 189 /* 190 * Compatibility with old systems. 191 */ 192 #ifdef COMPAT 193 #include <sys/file.h> 194 #define strchr(a,b) index(a,b) 195 #define strrchr(a,b) rindex(a,b) 196 extern char *strdup(), *ctime(); 197 extern int read(), write(); 198 extern int errno; 199 #endif 200 201 #ifndef _PATH_UTMP 202 #define _PATH_UTMP "/etc/utmp" 203 #endif 204 #ifndef _PATH_FSTAB 205 #define _PATH_FSTAB "/etc/fstab" 206 #endif 207 208 #ifdef sunos 209 extern char *calloc(); 210 extern char *malloc(); 211 extern long atol(); 212 extern char *strcpy(); 213 extern char *strncpy(); 214 extern char *strcat(); 215 extern time_t time(); 216 extern void endgrent(); 217 extern void exit(); 218 extern off_t lseek(); 219 extern const char *strerror(); 220 #endif 221
Indexes created Tue Sep 23 21:09:50 GMT 2025