+/*-
+ * Copyright (c) 1980 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)dump.h 5.16 (Berkeley) 5/29/91
+ */
+
+#define MAXINOPB (MAXBSIZE / sizeof(struct dinode))
+#define MAXNINDIR (MAXBSIZE / sizeof(daddr_t))
+
+/*
+ * Dump maps used to describe what is to be dumped.
+ */
+int mapsize; /* size of the state maps */
+char *usedinomap; /* map of allocated inodes */
+char *dumpdirmap; /* map of directories to be dumped */
+char *dumpinomap; /* map of files to be dumped */
+/*
+ * Map manipulation macros.
+ */
+#define SETINO(ino, map) \
+ map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
+#define CLRINO(ino, map) \
+ map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY))
+#define TSTINO(ino, map) \
+ (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
+
+/*
+ * All calculations done in 0.1" units!
+ */
+char *disk; /* name of the disk file */
+char *tape; /* name of the tape file */
+char *dumpdates; /* name of the file containing dump date information*/
+char *temp; /* name of the file for doing rewrite of dumpdates */
+char lastlevel; /* dump level of previous dump */
+char level; /* dump level of this dump */
+int uflag; /* update flag */
+int diskfd; /* disk file descriptor */
+int tapefd; /* tape file descriptor */
+int pipeout; /* true => output to standard output */
+ino_t curino; /* current inumber; used globally */
+int newtape; /* new tape flag */
+int density; /* density in 0.1" units */
+long tapesize; /* estimated tape size, blocks */
+long tsize; /* tape size in 0.1" units */
+long asize; /* number of 0.1" units written on current tape */
+int etapes; /* estimated number of tapes */
+
+int notify; /* notify operator flag */
+int blockswritten; /* number of blocks written on current tape */
+int tapeno; /* current tape number */
+time_t tstart_writing; /* when started writing the first tape block */
+char *processname;
+struct fs *sblock; /* the file system super block */
+char buf[MAXBSIZE];
+long dev_bsize; /* block size of underlying disk device */
+int dev_bshift; /* log2(dev_bsize) */
+int tp_bshift; /* log2(TP_BSIZE) */
+
+/* operator interface functions */
+void broadcast();
+void lastdump();
+void msg();
+void msgtail();
+int query();
+void set_operators();
+void timeest();
+
+/* mapping rouintes */
+long blockest();
+int mapfiles();
+int mapdirs();
+
+/* file dumping routines */
+void dirdump();
+void blksout();
+void dumpmap();
+void writeheader();
+void bread();
+
+/* tape writing routines */
+int alloctape();
+void writerec();
+void dumpblock();
+void flushtape();
+void trewind();
+void close_rewind();
+void startnewtape();
+
+void dumpabort();
+void Exit();
+void getfstab();
+void quit();
+
+char *rawname();
+struct dinode *getino();
+
+void interrupt(); /* in case operator bangs on console */
+
+/*
+ * Exit status codes
+ */
+#define X_FINOK 0 /* normal exit */
+#define X_REWRITE 2 /* restart writing from the check point */
+#define X_ABORT 3 /* abort all of dump; don't attempt checkpointing*/
+
+#define OPGRENT "operator" /* group entry to notify */
+#define DIALUP "ttyd" /* prefix for dialups */
+
+struct fstab *fstabsearch(); /* search in fs_file and fs_spec */
+
+/*
+ * The contents of the file _PATH_DUMPDATES is maintained both on
+ * a linked list, and then (eventually) arrayified.
+ */
+struct dumpdates {
+ char dd_name[MAXNAMLEN+3];
+ char dd_level;
+ time_t dd_ddate;
+};
+struct dumptime {
+ struct dumpdates dt_value;
+ struct dumptime *dt_next;
+};
+struct dumptime *dthead; /* head of the list version */
+int nddates; /* number of records (might be zero) */
+int ddates_in; /* we have read the increment file */
+struct dumpdates **ddatev; /* the arrayfied version */
+void initdumptimes();
+void getdumptime();
+void putdumptime();
+#define ITITERATE(i, ddp) \
+ for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
+
+/*
+ * We catch these interrupts
+ */
+void sighup();
+void sigquit();
+void sigill();
+void sigtrap();
+void sigfpe();
+void sigkill();
+void sigbus();
+void sigsegv();
+void sigsys();
+void sigalrm();
+void sigterm();
+
+/*
+ * Compatibility with old systems.
+ */
+#ifndef __STDC__
+#include <sys/file.h>
+#define _PATH_FSTAB "/etc/fstab"
+extern char *index(), *strdup();
+extern char *ctime();
+extern int errno;
+#endif
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