2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <pop@noos.fr>, 1999-2000
6 * Stelian Pop <pop@noos.fr> - AlcĂ´ve <www.alcove.fr>, 2000
10 * Copyright (c) 1980, 1991, 1993, 1994
11 * The Regents of the University of California. All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 static const char rcsid[] =
44 "$Id: main.c,v 1.51 2001/07/18 09:50:48 stelian Exp $";
48 #include <compatlfs.h>
50 #include <compaterr.h>
59 #include <sys/param.h>
63 #ifdef HAVE_EXT2FS_EXT2_FS_H
64 #include <ext2fs/ext2_fs.h>
66 #include <linux/ext2_fs.h>
68 #include <ext2fs/ext2fs.h>
70 #include <bsdcompat.h>
72 #include <sys/vnode.h>
74 #include <ufs/inode.h>
77 #include <ufs/ufs/dinode.h>
78 #include <ufs/ffs/fs.h>
81 #include <protocols/dumprestore.h>
84 #include "pathnames.h"
88 #define SBOFF (SBLOCK * DEV_BSIZE)
91 int notify = 0; /* notify operator flag */
92 int blockswritten = 0; /* number of blocks written on current tape */
93 int tapeno = 0; /* current tape number */
94 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
95 int ntrec = NTREC; /* # tape blocks in each tape record */
96 int cartridge = 0; /* Assume non-cartridge tape */
98 int tapepos = 0; /* assume no QFA tapeposition needed by user */
100 int dokerberos = 0; /* Use Kerberos authentication */
101 long dev_bsize = 1; /* recalculated below */
102 long blocksperfile; /* output blocks per file */
103 char *host = NULL; /* remote host (if any) */
104 int sizest = 0; /* return size estimate only */
105 int compressed = 0; /* use zlib to compress the output, compress level 1-9 */
106 long long bytes_written = 0; /* total bytes written */
107 long uncomprblks = 0;/* uncompressed blocks written */
113 int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */
114 static long numarg __P((const char *, long, long));
115 static void obsolete __P((int *, char **[]));
116 static void usage __P((void));
118 dump_ino_t iexclude_list[IEXCLUDE_MAXNUM];/* the inode exclude list */
119 int iexclude_num = 0; /* number of elements in the list */
122 main(int argc, char *argv[])
124 register dump_ino_t ino;
126 register struct dinode *dp;
127 register struct fstab *dt;
130 int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
136 char directory[MAXPATHLEN];
137 char pathname[MAXPATHLEN];
142 spcl.c_label[0] = '\0';
143 spcl.c_date = time(NULL);
146 __progname = argv[0];
148 initialize_ext2_error_table();
151 tsize = 0; /* Default later, based on 'c' option for cart tapes */
154 if ((tapeprefix = getenv("TAPE")) == NULL)
155 tapeprefix = _PATH_DEFTAPE;
156 dumpdates = _PATH_DUMPDATES;
157 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
158 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
164 obsolete(&argc, &argv);
170 while ((ch = getopt(argc, argv,
171 "0123456789aB:b:cd:e:f:F:h:L:"
186 case '0': case '1': case '2': case '3': case '4':
187 case '5': case '6': case '7': case '8': case '9':
191 case 'a': /* `auto-size', Write to EOM. */
195 case 'B': /* blocks per output file */
197 blocksperfile = numarg("number of blocks per file",
201 case 'b': /* blocks per tape write */
202 ntrec = numarg("number of blocks per write",
204 if (ntrec > maxbsize/1024) {
205 msg("Please choose a blocksize <= %dkB\n",
207 msg("The ENTIRE dump is aborted.\n");
213 case 'c': /* Tape is cart. not 9-track */
218 case 'd': /* density, in bits per inch */
220 density = numarg("density", 10L, 327670L) / 10;
221 if (density >= 625 && !bflag)
222 ntrec = HIGHDENSITYTREC;
226 case 'e': /* exclude an inode */
227 if (iexclude_num == IEXCLUDE_MAXNUM) {
228 msg("Too many -e options\n");
229 msg("The ENTIRE dump is aborted.\n");
232 iexclude_list[iexclude_num++] = numarg("inode to exclude",0L,0L);
233 if (iexclude_list[iexclude_num-1] <= ROOTINO) {
234 msg("Cannot exclude inode %ld\n", (long)iexclude_list[iexclude_num-1]);
235 msg("The ENTIRE dump is aborted.\n");
238 msg("Added %d to exclude list\n",
239 iexclude_list[iexclude_num-1]);
242 case 'f': /* output file */
246 case 'F': /* end of tape script */
251 honorlevel = numarg("honor level", 0L, 10L);
262 * Note that although there are LBLSIZE characters,
263 * the last must be '\0', so the limit on strlen()
264 * is really LBLSIZE-1.
266 strncpy(spcl.c_label, optarg, LBLSIZE);
267 spcl.c_label[LBLSIZE-1] = '\0';
268 if (strlen(optarg) > LBLSIZE-1) {
270 "WARNING Label `%s' is larger than limit of %d characters.\n",
272 msg("WARNING: Using truncated label `%s'.\n",
277 case 'M': /* multi-volume flag */
281 case 'n': /* notify operators */
286 case 'Q': /* create tapeposfile */
287 gTapeposfile = optarg;
292 case 's': /* tape size, feet */
294 tsize = numarg("tape size", 1L, 0L) * 12 * 10;
298 sizest = 1; /* return size estimate only */
301 case 'T': /* time of last dump */
302 spcl.c_ddate = unctime(optarg);
303 if (spcl.c_ddate < 0) {
304 msg("bad time \"%s\"\n", optarg);
305 msg("The ENTIRE dump is aborted.\n");
312 case 'u': /* update dumpdates */
316 case 'W': /* what to do */
319 exit(X_FINOK); /* do nothing else */
324 compressed = numarg("compress level", 1L, 9L);
326 #endif /* HAVE_ZLIB */
335 msg("Must specify disk or filesystem\n");
336 msg("The ENTIRE dump is aborted.\n");
340 if (strlen(diskparam) >= MAXPATHLEN) {
341 msg("Disk or filesystem name too long: %s\n", diskparam);
342 msg("The ENTIRE dump is aborted.\n");
346 if (Tflag && uflag) {
347 msg("You cannot use the T and u flags together.\n");
348 msg("The ENTIRE dump is aborted.\n");
351 if (strcmp(tapeprefix, "-") == 0) {
353 tapeprefix = "standard output";
356 if (blocksperfile && !compressed)
357 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
358 else if (!unlimited) {
360 * Determine how to default tape size and density
363 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
364 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
365 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
367 * hilit19 hits again: "
370 density = cartridge ? 100 : 160;
372 tsize = cartridge ? 1700L*120L : 2300L*120L;
375 if (strchr(tapeprefix, ':')) {
377 tapeprefix = strchr(host, ':');
378 *tapeprefix++ = '\0';
380 if (index(tapeprefix, '\n')) {
381 msg("invalid characters in tape\n");
382 msg("The ENTIRE dump is aborted.\n");
385 if (rmthost(host) == 0)
388 msg("remote dump not enabled\n");
389 msg("The ENTIRE dump is aborted.\n");
393 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
395 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
397 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
398 signal(SIGTRAP, sig);
399 if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
401 if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
403 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
404 signal(SIGSEGV, sig);
405 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
406 signal(SIGTERM, sig);
407 if (signal(SIGINT, interrupt) == SIG_IGN)
408 signal(SIGINT, SIG_IGN);
409 set_operators(); /* /etc/group snarfed */
410 getfstab(); /* /etc/fstab snarfed */
413 * disk may end in / and this can confuse
416 i = strlen(diskparam) - 1;
417 if (i > 1 && diskparam[i] == '/')
420 disk = get_device_name(diskparam);
421 if (!disk) { /* null means the disk is some form
422 of LABEL= or UID= but it was not
424 msg("Cannot find a disk having %s\n", diskparam);
425 msg("The ENTIRE dump is aborted.\n");
429 * disk can be either the full special file name,
430 * the suffix of the special file name,
431 * the special name missing the leading '/',
432 * the file system name with or without the leading '/'.
434 if ((dt = fstabsearch(disk)) != NULL) {
435 /* if found then only one parameter (i.e. partition)
438 (void)fprintf(stderr, "Unknown arguments to dump:");
440 (void)fprintf(stderr, " %s", *argv++);
441 (void)fprintf(stderr, "\n");
442 msg("The ENTIRE dump is aborted.\n");
445 disk = rawname(dt->fs_spec);
446 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
447 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
451 if (realpath(disk, pathname) == NULL)
453 strcpy(pathname, disk);
455 * The argument could be now a mountpoint of
456 * a filesystem specified in fstab. Search for it.
458 if ((dt = fstabsearch(pathname)) != NULL) {
459 disk = rawname(dt->fs_spec);
460 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
461 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
464 * The argument was not found in the fstab
465 * assume that this is a subtree and search for it
467 dt = fstabsearchdir(pathname, directory);
469 char name[MAXPATHLEN];
470 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
471 (void)snprintf(name, sizeof(name), "%s (dir %s)",
472 dt->fs_file, directory);
473 (void)strncpy(spcl.c_filesys, name, NAMELEN);
474 disk = rawname(dt->fs_spec);
476 (void)strncpy(spcl.c_dev, disk, NAMELEN);
477 (void)strncpy(spcl.c_filesys, "an unlisted file system",
482 (void)strncpy(spcl.c_dev, disk, NAMELEN);
483 (void)strncpy(spcl.c_filesys, "an unlisted file system",
488 if (directory[0] != 0) {
490 msg("Only level 0 dumps are allowed on a subdirectory\n");
491 msg("The ENTIRE dump is aborted.\n");
495 msg("You can't update the dumpdates file when dumping a subdirectory\n");
496 msg("The ENTIRE dump is aborted.\n");
500 spcl.c_dev[NAMELEN-1] = '\0';
501 spcl.c_filesys[NAMELEN-1] = '\0';
502 (void)gethostname(spcl.c_host, NAMELEN);
503 spcl.c_host[NAMELEN-1] = '\0';
504 spcl.c_level = level - '0';
505 spcl.c_type = TS_TAPE;
507 getdumptime(uflag); /* dumpdates snarfed */
509 if (spcl.c_ddate == 0 && spcl.c_level) {
510 msg("WARNING: There is no inferior level dump on this filesystem\n");
511 msg("WARNING: Assuming a level 0 dump by default\n");
517 snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1);
519 strncpy(tape, tapeprefix, MAXPATHLEN);
520 tape[MAXPATHLEN - 1] = '\0';
523 if (STAT(tape, &statbuf) != -1)
524 fifoout= statbuf.st_mode & S_IFIFO;
529 msg("Date of this level %c dump: %s", level,
530 ctime4(&spcl.c_date));
532 msg("Date of last level %c dump: %s", lastlevel,
533 ctime4(&spcl.c_ddate));
534 msg("Dumping %s (%s) ", disk, spcl.c_filesys);
536 msgtail("to %s on host %s\n", tape, host);
538 msgtail("to %s\n", tape);
539 } /* end of size estimate */
542 retval = dump_fs_open(disk, &fs);
544 com_err(disk, retval, "while opening filesystem");
545 if (retval == EXT2_ET_REV_TOO_HIGH)
546 msg("Get a newer version of dump!\n");
547 msg("The ENTIRE dump is aborted.\n");
550 if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
551 com_err(disk, retval, "while opening filesystem");
552 msg("Get a newer version of dump!\n");
553 msg("The ENTIRE dump is aborted.\n");
556 if ((diskfd = OPEN(disk, O_RDONLY)) < 0) {
557 msg("Cannot open %s\n", disk);
558 msg("The ENTIRE dump is aborted.\n");
561 /* if no user label specified, use ext2 filesystem label if available */
562 if (spcl.c_label[0] == '\0') {
564 if ( (lbl = get_device_label(disk)) != NULL) {
565 strncpy(spcl.c_label, lbl, LBLSIZE);
566 spcl.c_label[LBLSIZE-1] = '\0';
569 strcpy(spcl.c_label, "none"); /* safe strcpy. */
572 dev_bsize = DEV_BSIZE;
573 dev_bshift = ffs(dev_bsize) - 1;
574 if (dev_bsize != (1 << dev_bshift))
575 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
576 tp_bshift = ffs(TP_BSIZE) - 1;
577 if (TP_BSIZE != (1 << tp_bshift))
578 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
579 maxino = fs->super->s_inodes_count;
581 spcl.c_flags |= DR_NEWINODEFMT;
583 #else /* __linux __*/
584 if ((diskfd = open(disk, O_RDONLY)) < 0) {
585 msg("Cannot open %s\n", disk);
586 msg("The ENTIRE dump is aborted.\n");
590 sblock = (struct fs *)sblock_buf;
591 bread(SBOFF, (char *) sblock, SBSIZE);
592 if (sblock->fs_magic != FS_MAGIC)
593 quit("bad sblock magic number\n");
594 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
595 dev_bshift = ffs(dev_bsize) - 1;
596 if (dev_bsize != (1 << dev_bshift))
597 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
598 tp_bshift = ffs(TP_BSIZE) - 1;
599 if (TP_BSIZE != (1 << tp_bshift))
600 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
602 if (sblock->fs_inodefmt >= FS_44INODEFMT)
603 spcl.c_flags |= DR_NEWINODEFMT;
605 maxino = sblock->fs_ipg * sblock->fs_ncg;
606 #endif /* __linux__ */
607 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
608 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
609 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
610 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
611 if (usedinomap == NULL || dumpdirmap == NULL || dumpinomap == NULL)
612 quit("out of memory allocating inode maps\n");
613 tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
615 nonodump = spcl.c_level < honorlevel;
618 msg("Label: %s\n", spcl.c_label);
621 msg("Compressing output at compression level %d\n",
626 (void)signal(SIGINFO, statussig);
630 msg("mapping (Pass I) [regular files]\n");
632 if (directory[0] == 0)
633 anydirskipped = mapfiles(maxino, &tapesize);
635 if (STAT(pathname, &statbuf) == -1) {
636 msg("File cannot be accessed (%s).\n", pathname);
637 msg("The ENTIRE dump is aborted.\n");
640 filedev = statbuf.st_dev;
641 if (!(statbuf.st_mode & S_IFDIR)) /* is a file */
642 anydirskipped = maponefile(maxino, &tapesize,
645 anydirskipped = mapfilesfromdir(maxino, &tapesize,
651 /* check if file is available */
652 if (STAT(p, &statbuf) == -1) {
653 msg("File cannot be accessed (%s).\n", p);
654 msg("The ENTIRE dump is aborted.\n");
657 /* check if file is on same unix partiton as the first
659 if (statbuf.st_dev != filedev) {
660 msg("Files are not on same file system (%s).\n", p);
661 msg("The ENTIRE dump is aborted.\n");
664 /* check if file is a directory */
665 if (!(statbuf.st_mode & S_IFDIR))
666 anydirskipped2 = maponefile(maxino, &tapesize,
667 p+strlen(dt->fs_file));
669 /* read directory inodes.
670 * NOTE: nested directories are not recognized
671 * so inodes may be umped twice!
673 anydirskipped2 = mapfilesfromdir(maxino, &tapesize,
674 p+strlen(dt->fs_file));
676 anydirskipped = anydirskipped2;
680 anydirskipped = mapfiles(maxino, &tapesize);
684 msg("mapping (Pass II) [directories]\n");
685 while (anydirskipped) {
686 anydirskipped = mapdirs(maxino, &tapesize);
690 printf("%.0f\n", ((double)tapesize + 1 + ntrec) * TP_BSIZE);
692 } /* stop here for size estimate */
694 if (pipeout || unlimited) {
695 tapesize += 1 + ntrec; /* 1 map header + trailer blocks */
696 msg("estimated %ld tape blocks.\n", tapesize);
701 fetapes = (double) tapesize / blocksperfile;
702 else if (cartridge) {
703 /* Estimate number of tapes, assuming streaming stops at
704 the end of each block written, and not in mid-block.
705 Assume no erroneous blocks; this can be compensated
706 for with an artificially low tape size. */
708 ( (double) tapesize /* blocks */
709 * TP_BSIZE /* bytes/block */
710 * (1.0/density) /* 0.1" / byte " */
712 (double) tapesize /* blocks */
713 * (1.0/ntrec) /* streaming-stops per block */
714 * 15.48 /* 0.1" / streaming-stop " */
715 ) * (1.0 / tsize ); /* tape / 0.1" " */
717 /* Estimate number of tapes, for old fashioned 9-track
719 int tenthsperirg = (density == 625) ? 3 : 7;
721 ( (double) tapesize /* blocks */
722 * TP_BSIZE /* bytes / block */
723 * (1.0/density) /* 0.1" / byte " */
725 (double) tapesize /* blocks */
726 * (1.0/ntrec) /* IRG's / block */
727 * tenthsperirg /* 0.1" / IRG " */
728 ) * (1.0 / tsize ); /* tape / 0.1" " */
730 etapes = fetapes; /* truncating assignment */
732 /* count the dumped inodes map on each additional tape */
733 tapesize += (etapes - 1) *
734 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
735 tapesize += etapes + ntrec; /* headers + trailer blks */
736 msg("estimated %ld tape blocks on %3.2f tape(s).\n",
742 msg("writing QFA positions to %s\n", gTapeposfile);
743 if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT)) < 0)
744 quit("can't open tapeposfile\n");
745 /* print QFA-file header */
746 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
747 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
748 quit("can't write tapeposfile\n");
749 sprintf(gTps, "ino\ttapeno\ttapepos\n");
750 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
751 quit("can't write tapeposfile\n");
756 * Allocate tape buffer.
760 "can't allocate tape buffers - try a smaller blocking factor.\n");
763 tstart_writing = time(NULL);
764 dumpmap(usedinomap, TS_CLRI, maxino - 1);
766 msg("dumping (Pass III) [directories]\n");
767 dirty = 0; /* XXX just to get gcc to shut up */
768 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
769 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
773 if ((dirty & 1) == 0)
776 * Skip directory inodes deleted and maybe reallocated
779 if ((dp->di_mode & IFMT) != IFDIR)
783 * Skip directory inodes deleted and not yes reallocated...
785 if (dp->di_nlink == 0 || dp->di_dtime != 0)
787 (void)dumpdirino(dp, ino);
789 (void)dumpino(dp, ino);
793 msg("dumping (Pass IV) [regular files]\n");
794 for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
795 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
799 if ((dirty & 1) == 0)
802 * Skip inodes deleted and reallocated as directories.
805 if ((dp->di_mode & IFMT) == IFDIR)
809 * No need to check here for deleted and not yet reallocated
810 * inodes since this is done in dumpino().
813 (void)dumpino(dp, ino);
816 tend_writing = time(NULL);
817 spcl.c_type = TS_END;
819 * Finish off the current tape record with trailer blocks, to ensure
820 * at least the data in the last partial record makes it to tape.
821 * Also make sure we write at least 1 trailer block.
823 for (i = ntrec - (spcl.c_tapea % ntrec); i; --i)
824 writeheader(maxino - 1);
828 if (pipeout || fifoout)
829 msg("%ld tape blocks (%.2fMB)\n", spcl.c_tapea,
830 ((double)spcl.c_tapea * TP_BSIZE / 1048576));
832 msg("%ld tape blocks (%.2fMB) on %d volume(s)\n",
834 ((double)spcl.c_tapea * TP_BSIZE / 1048576),
837 /* report dump performance, avoid division by zero */
838 if (tend_writing - tstart_writing == 0)
839 msg("finished in less than a second\n");
841 msg("finished in %d seconds, throughput %d kBytes/sec\n",
842 tend_writing - tstart_writing,
843 spcl.c_tapea / (tend_writing - tstart_writing));
846 msg("Date of this level %c dump: %s", level,
847 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
848 msg("Date this dump completed: %s", ctime(&tnow));
850 msg("Average transfer rate: %ld kB/s\n", xferrate / tapeno);
852 long tapekb = bytes_written / 1024;
853 double rate = .0005 + (double) spcl.c_tapea / tapekb;
854 msg("Wrote %ldkB uncompressed, %ldkB compressed, %1.3f:1\n",
855 spcl.c_tapea, tapekb, rate);
858 broadcast("DUMP IS DONE!\7\7\n");
859 msg("DUMP IS DONE\n");
862 return 0; /* gcc - shut up */
868 char white[MAXPATHLEN];
869 const char *ext2ver, *ext2date;
871 memset(white, ' ', MAXPATHLEN);
872 white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
875 ext2fs_get_library_version(&ext2ver, &ext2date);
876 fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
877 __progname, _DUMP_VERSION, ext2ver, ext2date);
879 fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
882 "usage:\t%s [-0123456789ac"
887 "] [-B records] [-b blocksize] [-d density]\n"
888 "\t%s [-e inode#] [-f file] [-h level] "
899 __progname, white, white, __progname);
904 * Pick up a numeric argument. It must be nonnegative and in the given
905 * range (except that a vmax of 0 means unlimited).
908 numarg(const char *meaning, long vmin, long vmax)
913 val = strtol(optarg, &p, 10);
915 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
916 if (val < vmin || (vmax && val > vmax))
917 errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
931 if (pipeout || fifoout)
932 quit("Signal on pipe: cannot recover\n");
933 msg("Rewriting attempted as response to unknown signal: %d.\n", signo);
934 (void)fflush(stderr);
935 (void)fflush(stdout);
940 msg("SIGSEGV: ABORTING!\n");
941 (void)signal(SIGSEGV, SIG_DFL);
942 (void)kill(0, SIGSEGV);
948 rawname(const char *cp)
952 #else /* __linux__ */
953 static char rawbuf[MAXPATHLEN];
954 char *dp = strrchr(cp, '/');
958 (void)strncpy(rawbuf, cp, min(dp-cp, MAXPATHLEN - 1));
959 rawbuf[min(dp-cp, MAXPATHLEN-1)] = '\0';
960 (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
961 (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
963 #endif /* __linux__ */
968 * Change set of key letters and ordered arguments into something
969 * getopt(3) will like.
972 obsolete(int *argcp, char **argvp[])
975 char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL;
981 /* Return if no arguments or first argument has leading dash. */
983 if (argc == 1 || *ap == '-')
986 /* Allocate space for new arguments. */
987 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
988 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
989 err(X_STARTUP, "malloc new args");
994 for (flags = 0; *ap; ++ap) {
1007 if (*argv == NULL) {
1008 warnx("option requires an argument -- %c", *ap);
1011 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
1012 err(X_STARTUP, "malloc arg");
1015 (void)strcpy(&nargv[0][2], *argv);
1029 /* Terminate flags. */
1035 /* Copy remaining arguments. */
1036 while ((*nargv++ = *argv++));
1038 /* Update argument count. */
1039 *argcp = nargv - *argvp - 1;