1303fc79dSmckusick /*-
2a42b0843Sbostic * Copyright (c) 1980, 1991, 1993, 1994
3cd525728Sbostic * The Regents of the University of California. All rights reserved.
4303fc79dSmckusick *
5303fc79dSmckusick * %sccs.include.redist.c%
696f6c19aSdist */
796f6c19aSdist
896f6c19aSdist #ifndef lint
9cd525728Sbostic static char copyright[] =
10a42b0843Sbostic "@(#) Copyright (c) 1980, 1991, 1993, 1994\n\
11cd525728Sbostic The Regents of the University of California. All rights reserved.\n";
12303fc79dSmckusick #endif /* not lint */
13303fc79dSmckusick
14303fc79dSmckusick #ifndef lint
15*e5cdbe87Smckusick static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 05/01/95";
16635bd1c1Storek #endif /* not lint */
1796f6c19aSdist
18c3937381Sbostic #include <sys/param.h>
19f8051e1dSmckusick #include <sys/time.h>
20d70b4a4cSmckusick #ifdef sunos
21d70b4a4cSmckusick #include <sys/vnode.h>
22d70b4a4cSmckusick
23d70b4a4cSmckusick #include <ufs/inode.h>
24d70b4a4cSmckusick #include <ufs/fs.h>
25d70b4a4cSmckusick #else
265b62b7c7Smckusick #include <ufs/ufs/dinode.h>
27*e5cdbe87Smckusick #include <ufs/ffs/fs.h>
28c3937381Sbostic #endif
29d70b4a4cSmckusick
30d70b4a4cSmckusick #include <protocols/dumprestore.h>
31d70b4a4cSmckusick
327548e873Storek #include <ctype.h>
33*e5cdbe87Smckusick #include <err.h>
34d70b4a4cSmckusick #include <errno.h>
35635bd1c1Storek #include <fcntl.h>
36c3937381Sbostic #include <fstab.h>
37d70b4a4cSmckusick #include <signal.h>
38c3937381Sbostic #include <stdio.h>
39c3937381Sbostic #include <stdlib.h>
40c3937381Sbostic #include <string.h>
41d70b4a4cSmckusick #include <unistd.h>
42d70b4a4cSmckusick
43c3937381Sbostic #include "dump.h"
446c68a17dSbostic #include "pathnames.h"
4552fa1024Sroot
467548e873Storek #ifndef SBOFF
477548e873Storek #define SBOFF (SBLOCK * DEV_BSIZE)
487548e873Storek #endif
497548e873Storek
5052fa1024Sroot int notify = 0; /* notify operator flag */
5152fa1024Sroot int blockswritten = 0; /* number of blocks written on current tape */
5252fa1024Sroot int tapeno = 0; /* current tape number */
53ea2c47ecSsam int density = 0; /* density in bytes/0.1" */
54ea2c47ecSsam int ntrec = NTREC; /* # tape blocks in each tape record */
55ea2c47ecSsam int cartridge = 0; /* Assume non-cartridge tape */
567e18ec4eSmckusick long dev_bsize = 1; /* recalculated below */
57875b9c0cSmckusick long blocksperfile; /* output blocks per file */
585daedeacSmckusick char *host = NULL; /* remote host (if any) */
5952fa1024Sroot
60*e5cdbe87Smckusick static long numarg __P((char *, long, long));
61*e5cdbe87Smckusick static void obsolete __P((int *, char **[]));
62*e5cdbe87Smckusick static void usage __P((void));
637548e873Storek
64d70b4a4cSmckusick int
main(argc,argv)6552fa1024Sroot main(argc, argv)
6652fa1024Sroot int argc;
67*e5cdbe87Smckusick char *argv[];
6852fa1024Sroot {
694de1a86cSmckusick register ino_t ino;
701ef597c9Smckusick register int dirty;
714de1a86cSmckusick register struct dinode *dp;
7252fa1024Sroot register struct fstab *dt;
734de1a86cSmckusick register char *map;
74*e5cdbe87Smckusick register int ch;
757548e873Storek int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
764de1a86cSmckusick ino_t maxino;
7752fa1024Sroot
785daedeacSmckusick spcl.c_date = 0;
797548e873Storek (void)time((time_t *)&spcl.c_date);
8052fa1024Sroot
81ea2c47ecSsam tsize = 0; /* Default later, based on 'c' option for cart tapes */
827173942aSbostic tape = _PATH_DEFTAPE;
834de1a86cSmckusick dumpdates = _PATH_DUMPDATES;
846c68a17dSbostic temp = _PATH_DTMP;
85635bd1c1Storek if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
86635bd1c1Storek quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
874de1a86cSmckusick level = '0';
884de1a86cSmckusick
89*e5cdbe87Smckusick if (argc < 2)
90*e5cdbe87Smckusick usage();
914de1a86cSmckusick
92*e5cdbe87Smckusick obsolete(&argc, &argv);
93*e5cdbe87Smckusick while ((ch = getopt(argc, argv, "0123456789B:b:cd:f:h:ns:T:uWw")) != -1)
94*e5cdbe87Smckusick switch (ch) {
95*e5cdbe87Smckusick /* dump level */
96*e5cdbe87Smckusick case '0': case '1': case '2': case '3': case '4':
97*e5cdbe87Smckusick case '5': case '6': case '7': case '8': case '9':
98*e5cdbe87Smckusick level = ch;
994de1a86cSmckusick break;
100875b9c0cSmckusick
101875b9c0cSmckusick case 'B': /* blocks per output file */
102*e5cdbe87Smckusick blocksperfile = numarg("blocks per file", 1L, 0L);
103*e5cdbe87Smckusick break;
104*e5cdbe87Smckusick
105*e5cdbe87Smckusick case 'b': /* blocks per tape write */
106*e5cdbe87Smckusick ntrec = numarg("blocks per write", 1L, 1000L);
107ea2c47ecSsam break;
108ea2c47ecSsam
109ea2c47ecSsam case 'c': /* Tape is cart. not 9-track */
1107548e873Storek cartridge = 1;
1117548e873Storek break;
112ea2c47ecSsam
113*e5cdbe87Smckusick case 'd': /* density, in bits per inch */
114*e5cdbe87Smckusick density = numarg("density", 10L, 327670L) / 10;
115*e5cdbe87Smckusick if (density >= 625 && !bflag)
116*e5cdbe87Smckusick ntrec = HIGHDENSITYTREC;
1177548e873Storek break;
11852fa1024Sroot
119*e5cdbe87Smckusick case 'f': /* output file */
120*e5cdbe87Smckusick tape = optarg;
121*e5cdbe87Smckusick break;
122*e5cdbe87Smckusick
123*e5cdbe87Smckusick case 'h':
124*e5cdbe87Smckusick honorlevel = numarg("honor level", 0L, 10L);
1257548e873Storek break;
12652fa1024Sroot
12752fa1024Sroot case 'n': /* notify operators */
1287548e873Storek notify = 1;
1297548e873Storek break;
1307548e873Storek
131*e5cdbe87Smckusick case 's': /* tape size, feet */
132*e5cdbe87Smckusick tsize = numarg("tape size", 1L, 0L) * 12 * 10;
1337548e873Storek break;
13452fa1024Sroot
135*e5cdbe87Smckusick case 'T': /* time of last dump */
136*e5cdbe87Smckusick spcl.c_ddate = unctime(optarg);
137*e5cdbe87Smckusick if (spcl.c_ddate < 0) {
138*e5cdbe87Smckusick (void)fprintf(stderr, "bad time \"%s\"\n",
139*e5cdbe87Smckusick optarg);
1407548e873Storek exit(X_ABORT);
14152fa1024Sroot }
142*e5cdbe87Smckusick Tflag = 1;
143*e5cdbe87Smckusick lastlevel = '?';
144*e5cdbe87Smckusick break;
145*e5cdbe87Smckusick
146*e5cdbe87Smckusick case 'u': /* update /etc/dumpdates */
147*e5cdbe87Smckusick uflag = 1;
148*e5cdbe87Smckusick break;
149*e5cdbe87Smckusick
150*e5cdbe87Smckusick case 'W': /* what to do */
151*e5cdbe87Smckusick case 'w':
152*e5cdbe87Smckusick lastdump(ch);
153*e5cdbe87Smckusick exit(0); /* do nothing else */
154*e5cdbe87Smckusick
155*e5cdbe87Smckusick default:
156*e5cdbe87Smckusick usage();
1574de1a86cSmckusick }
158*e5cdbe87Smckusick argc -= optind;
159*e5cdbe87Smckusick argv += optind;
160*e5cdbe87Smckusick
1614de1a86cSmckusick if (argc < 1) {
1625b62b7c7Smckusick (void)fprintf(stderr, "Must specify disk or filesystem\n");
1637548e873Storek exit(X_ABORT);
1647548e873Storek }
1654de1a86cSmckusick disk = *argv++;
16652fa1024Sroot argc--;
1674de1a86cSmckusick if (argc >= 1) {
1685b62b7c7Smckusick (void)fprintf(stderr, "Unknown arguments to dump:");
1694de1a86cSmckusick while (argc--)
1705b62b7c7Smckusick (void)fprintf(stderr, " %s", *argv++);
1715b62b7c7Smckusick (void)fprintf(stderr, "\n");
1727548e873Storek exit(X_ABORT);
1735b62b7c7Smckusick }
1745b62b7c7Smckusick if (Tflag && uflag) {
1755b62b7c7Smckusick (void)fprintf(stderr,
1765b62b7c7Smckusick "You cannot use the T and u flags together.\n");
1777548e873Storek exit(X_ABORT);
17852fa1024Sroot }
179d2347a0bSmckusick if (strcmp(tape, "-") == 0) {
180d2347a0bSmckusick pipeout++;
181d2347a0bSmckusick tape = "standard output";
182d2347a0bSmckusick }
183ea2c47ecSsam
184875b9c0cSmckusick if (blocksperfile)
185875b9c0cSmckusick blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
186875b9c0cSmckusick else {
187ea2c47ecSsam /*
188ea2c47ecSsam * Determine how to default tape size and density
189ea2c47ecSsam *
190ea2c47ecSsam * density tape size
191ea2c47ecSsam * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
192ea2c47ecSsam * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
193875b9c0cSmckusick * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
194875b9c0cSmckusick * (450*4 - slop)
195ea2c47ecSsam */
196ea2c47ecSsam if (density == 0)
197ea2c47ecSsam density = cartridge ? 100 : 160;
198ea2c47ecSsam if (tsize == 0)
199ecb088e8Smckusick tsize = cartridge ? 1700L*120L : 2300L*120L;
200875b9c0cSmckusick }
201ea2c47ecSsam
202a1442695Sbostic if (strchr(tape, ':')) {
2038147f7ddSsam host = tape;
204a1442695Sbostic tape = strchr(host, ':');
2057548e873Storek *tape++ = '\0';
2065daedeacSmckusick #ifdef RDUMP
2078147f7ddSsam if (rmthost(host) == 0)
208d70b4a4cSmckusick exit(X_ABORT);
2095daedeacSmckusick #else
2105b62b7c7Smckusick (void)fprintf(stderr, "remote dump not enabled\n");
211d70b4a4cSmckusick exit(X_ABORT);
2125daedeacSmckusick #endif
2138147f7ddSsam }
2145b62b7c7Smckusick (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
2155daedeacSmckusick
216875b9c0cSmckusick if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
217390142b8Sbostic signal(SIGHUP, sig);
218875b9c0cSmckusick if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
219390142b8Sbostic signal(SIGTRAP, sig);
220875b9c0cSmckusick if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
221390142b8Sbostic signal(SIGFPE, sig);
222875b9c0cSmckusick if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
223390142b8Sbostic signal(SIGBUS, sig);
224875b9c0cSmckusick if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
225390142b8Sbostic signal(SIGSEGV, sig);
226875b9c0cSmckusick if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
227390142b8Sbostic signal(SIGTERM, sig);
22852fa1024Sroot if (signal(SIGINT, interrupt) == SIG_IGN)
22952fa1024Sroot signal(SIGINT, SIG_IGN);
23052fa1024Sroot
23152fa1024Sroot set_operators(); /* /etc/group snarfed */
23252fa1024Sroot getfstab(); /* /etc/fstab snarfed */
23352fa1024Sroot /*
23452fa1024Sroot * disk can be either the full special file name,
23552fa1024Sroot * the suffix of the special file name,
23652fa1024Sroot * the special name missing the leading '/',
23752fa1024Sroot * the file system name with or without the leading '/'.
23852fa1024Sroot */
23952fa1024Sroot dt = fstabsearch(disk);
2407548e873Storek if (dt != NULL) {
24152fa1024Sroot disk = rawname(dt->fs_spec);
2425b62b7c7Smckusick (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
2435b62b7c7Smckusick (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
244c0a9515cSmckusick } else {
2455b62b7c7Smckusick (void)strncpy(spcl.c_dev, disk, NAMELEN);
2465b62b7c7Smckusick (void)strncpy(spcl.c_filesys, "an unlisted file system",
2475b62b7c7Smckusick NAMELEN);
248c0a9515cSmckusick }
2495b62b7c7Smckusick (void)strcpy(spcl.c_label, "none");
2505b62b7c7Smckusick (void)gethostname(spcl.c_host, NAMELEN);
2514de1a86cSmckusick spcl.c_level = level - '0';
252c0a9515cSmckusick spcl.c_type = TS_TAPE;
2535b62b7c7Smckusick if (!Tflag)
2544de1a86cSmckusick getdumptime(); /* /etc/dumpdates snarfed */
25552fa1024Sroot
2564de1a86cSmckusick msg("Date of this level %c dump: %s", level,
2574de1a86cSmckusick spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
2584de1a86cSmckusick msg("Date of last level %c dump: %s", lastlevel,
2594de1a86cSmckusick spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate));
26052fa1024Sroot msg("Dumping %s ", disk);
2617548e873Storek if (dt != NULL)
26252fa1024Sroot msgtail("(%s) ", dt->fs_file);
2635daedeacSmckusick if (host)
26424bacae5Smckusick msgtail("to %s on host %s\n", tape, host);
2655daedeacSmckusick else
26624bacae5Smckusick msgtail("to %s\n", tape);
26752fa1024Sroot
2684de1a86cSmckusick if ((diskfd = open(disk, O_RDONLY)) < 0) {
26952fa1024Sroot msg("Cannot open %s\n", disk);
2707548e873Storek exit(X_ABORT);
27152fa1024Sroot }
27299b9d443Smckusic sync();
2735b62b7c7Smckusick sblock = (struct fs *)sblock_buf;
2745b62b7c7Smckusick bread(SBOFF, (char *) sblock, SBSIZE);
275635bd1c1Storek if (sblock->fs_magic != FS_MAGIC)
276635bd1c1Storek quit("bad sblock magic number\n");
2777e18ec4eSmckusick dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
278635bd1c1Storek dev_bshift = ffs(dev_bsize) - 1;
279635bd1c1Storek if (dev_bsize != (1 << dev_bshift))
280635bd1c1Storek quit("dev_bsize (%d) is not a power of 2", dev_bsize);
281635bd1c1Storek tp_bshift = ffs(TP_BSIZE) - 1;
282635bd1c1Storek if (TP_BSIZE != (1 << tp_bshift))
283635bd1c1Storek quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
284d70b4a4cSmckusick #ifdef FS_44INODEFMT
285a319b7c4Smckusick if (sblock->fs_inodefmt >= FS_44INODEFMT)
286a319b7c4Smckusick spcl.c_flags |= DR_NEWINODEFMT;
287d70b4a4cSmckusick #endif
2887548e873Storek maxino = sblock->fs_ipg * sblock->fs_ncg;
2897548e873Storek mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
2905b62b7c7Smckusick usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
2915b62b7c7Smckusick dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
2925b62b7c7Smckusick dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
2934de1a86cSmckusick tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
29452fa1024Sroot
2957548e873Storek nonodump = spcl.c_level < honorlevel;
2967548e873Storek
29752fa1024Sroot msg("mapping (Pass I) [regular files]\n");
2984de1a86cSmckusick anydirskipped = mapfiles(maxino, &tapesize);
29952fa1024Sroot
30052fa1024Sroot msg("mapping (Pass II) [directories]\n");
3014de1a86cSmckusick while (anydirskipped) {
3024de1a86cSmckusick anydirskipped = mapdirs(maxino, &tapesize);
3034de1a86cSmckusick }
30452fa1024Sroot
3057548e873Storek if (pipeout) {
3064de1a86cSmckusick tapesize += 10; /* 10 trailer blocks */
3077548e873Storek msg("estimated %ld tape blocks.\n", tapesize);
3087548e873Storek } else {
3097548e873Storek double fetapes;
3107548e873Storek
311875b9c0cSmckusick if (blocksperfile)
3127548e873Storek fetapes = (double) tapesize / blocksperfile;
313875b9c0cSmckusick else if (cartridge) {
314ea2c47ecSsam /* Estimate number of tapes, assuming streaming stops at
315ea2c47ecSsam the end of each block written, and not in mid-block.
316875b9c0cSmckusick Assume no erroneous blocks; this can be compensated
317875b9c0cSmckusick for with an artificially low tape size. */
31852fa1024Sroot fetapes =
3194de1a86cSmckusick ( tapesize /* blocks */
32099b9d443Smckusic * TP_BSIZE /* bytes/block */
32152fa1024Sroot * (1.0/density) /* 0.1" / byte */
32252fa1024Sroot +
3234de1a86cSmckusick tapesize /* blocks */
324ea2c47ecSsam * (1.0/ntrec) /* streaming-stops per block */
325ea2c47ecSsam * 15.48 /* 0.1" / streaming-stop */
326ea2c47ecSsam ) * (1.0 / tsize ); /* tape / 0.1" */
327ea2c47ecSsam } else {
328875b9c0cSmckusick /* Estimate number of tapes, for old fashioned 9-track
329875b9c0cSmckusick tape */
330ea2c47ecSsam int tenthsperirg = (density == 625) ? 3 : 7;
331ea2c47ecSsam fetapes =
3324de1a86cSmckusick ( tapesize /* blocks */
333ea2c47ecSsam * TP_BSIZE /* bytes / block */
334ea2c47ecSsam * (1.0/density) /* 0.1" / byte */
335ea2c47ecSsam +
3364de1a86cSmckusick tapesize /* blocks */
337ea2c47ecSsam * (1.0/ntrec) /* IRG's / block */
338ea2c47ecSsam * tenthsperirg /* 0.1" / IRG */
339ea2c47ecSsam ) * (1.0 / tsize ); /* tape / 0.1" */
340ea2c47ecSsam }
34152fa1024Sroot etapes = fetapes; /* truncating assignment */
34252fa1024Sroot etapes++;
3434de1a86cSmckusick /* count the dumped inodes map on each additional tape */
3444de1a86cSmckusick tapesize += (etapes - 1) *
3454de1a86cSmckusick (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
3464de1a86cSmckusick tapesize += etapes + 10; /* headers + 10 trailer blks */
347875b9c0cSmckusick msg("estimated %ld tape blocks on %3.2f tape(s).\n",
3484de1a86cSmckusick tapesize, fetapes);
3497548e873Storek }
35052fa1024Sroot
3515b62b7c7Smckusick /*
3527548e873Storek * Allocate tape buffer.
3535b62b7c7Smckusick */
3545b62b7c7Smckusick if (!alloctape())
3555b62b7c7Smckusick quit("can't allocate tape buffers - try a smaller blocking factor.\n");
356ea2c47ecSsam
3575daedeacSmckusick startnewtape(1);
3585b62b7c7Smckusick (void)time((time_t *)&(tstart_writing));
3597548e873Storek dumpmap(usedinomap, TS_CLRI, maxino - 1);
36052fa1024Sroot
36152fa1024Sroot msg("dumping (Pass III) [directories]\n");
3627548e873Storek dirty = 0; /* XXX just to get gcc to shut up */
3637548e873Storek for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
3647548e873Storek if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
3651ef597c9Smckusick dirty = *map++;
3664de1a86cSmckusick else
3671ef597c9Smckusick dirty >>= 1;
3681ef597c9Smckusick if ((dirty & 1) == 0)
3694de1a86cSmckusick continue;
3704de1a86cSmckusick /*
3714de1a86cSmckusick * Skip directory inodes deleted and maybe reallocated
3724de1a86cSmckusick */
3734de1a86cSmckusick dp = getino(ino);
3744de1a86cSmckusick if ((dp->di_mode & IFMT) != IFDIR)
3754de1a86cSmckusick continue;
3765b62b7c7Smckusick (void)dumpino(dp, ino);
3774de1a86cSmckusick }
37852fa1024Sroot
37952fa1024Sroot msg("dumping (Pass IV) [regular files]\n");
3807548e873Storek for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
381d70b4a4cSmckusick int mode;
382d70b4a4cSmckusick
3837548e873Storek if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
3841ef597c9Smckusick dirty = *map++;
3854de1a86cSmckusick else
3861ef597c9Smckusick dirty >>= 1;
3871ef597c9Smckusick if ((dirty & 1) == 0)
3884de1a86cSmckusick continue;
3894de1a86cSmckusick /*
3904de1a86cSmckusick * Skip inodes deleted and reallocated as directories.
3914de1a86cSmckusick */
3924de1a86cSmckusick dp = getino(ino);
393d70b4a4cSmckusick mode = dp->di_mode & IFMT;
394d70b4a4cSmckusick if (mode == IFDIR)
3954de1a86cSmckusick continue;
3965b62b7c7Smckusick (void)dumpino(dp, ino);
3974de1a86cSmckusick }
39852fa1024Sroot
39952fa1024Sroot spcl.c_type = TS_END;
400ea2c47ecSsam for (i = 0; i < ntrec; i++)
4017548e873Storek writeheader(maxino - 1);
402875b9c0cSmckusick if (pipeout)
403875b9c0cSmckusick msg("DUMP: %ld tape blocks\n",spcl.c_tapea);
404875b9c0cSmckusick else
405875b9c0cSmckusick msg("DUMP: %ld tape blocks on %d volumes(s)\n",
406875b9c0cSmckusick spcl.c_tapea, spcl.c_volume);
4074de1a86cSmckusick putdumptime();
408cbeeb693Storek trewind();
40952fa1024Sroot broadcast("DUMP IS DONE!\7\7\n");
4105daedeacSmckusick msg("DUMP IS DONE\n");
41152fa1024Sroot Exit(X_FINOK);
412635bd1c1Storek /* NOTREACHED */
41352fa1024Sroot }
41452fa1024Sroot
415*e5cdbe87Smckusick static void
usage()416*e5cdbe87Smckusick usage()
417*e5cdbe87Smckusick {
418*e5cdbe87Smckusick
419*e5cdbe87Smckusick (void)fprintf(stderr, "usage: dump [-0123456789cnu] [-B records] [-b blocksize] [-d density] [-f file]\n [-h level] [-s feet] [-T date] filesystem\n");
420*e5cdbe87Smckusick (void)fprintf(stderr, " dump [-W | -w]\n");
421*e5cdbe87Smckusick exit(1);
422*e5cdbe87Smckusick }
423*e5cdbe87Smckusick
4247548e873Storek /*
4257548e873Storek * Pick up a numeric argument. It must be nonnegative and in the given
4267548e873Storek * range (except that a vmax of 0 means unlimited).
4277548e873Storek */
4287548e873Storek static long
numarg(meaning,vmin,vmax)429*e5cdbe87Smckusick numarg(meaning, vmin, vmax)
4307548e873Storek char *meaning;
4317548e873Storek long vmin, vmax;
4327548e873Storek {
433*e5cdbe87Smckusick char *p;
4347548e873Storek long val;
4357548e873Storek
436*e5cdbe87Smckusick val = strtol(optarg, &p, 10);
437*e5cdbe87Smckusick if (*p)
438*e5cdbe87Smckusick errx(1, "illegal %s -- %s", meaning, optarg);
4397548e873Storek if (val < vmin || (vmax && val > vmax))
440*e5cdbe87Smckusick errx(1, "%s must be between %ld and %ld", meaning, vmin, vmax);
4417548e873Storek return (val);
4427548e873Storek }
4437548e873Storek
444635bd1c1Storek void
sig(signo)445390142b8Sbostic sig(signo)
446390142b8Sbostic int signo;
44752fa1024Sroot {
448390142b8Sbostic switch(signo) {
449390142b8Sbostic case SIGALRM:
450390142b8Sbostic case SIGBUS:
451390142b8Sbostic case SIGFPE:
452390142b8Sbostic case SIGHUP:
453390142b8Sbostic case SIGTERM:
454390142b8Sbostic case SIGTRAP:
455635bd1c1Storek if (pipeout)
456390142b8Sbostic quit("Signal on pipe: cannot recover\n");
45752fa1024Sroot msg("Rewriting attempted as response to unknown signal.\n");
4585b62b7c7Smckusick (void)fflush(stderr);
4595b62b7c7Smckusick (void)fflush(stdout);
46052fa1024Sroot close_rewind();
461d70b4a4cSmckusick exit(X_REWRITE);
462390142b8Sbostic /* NOTREACHED */
463390142b8Sbostic case SIGSEGV:
464390142b8Sbostic msg("SIGSEGV: ABORTING!\n");
465390142b8Sbostic (void)signal(SIGSEGV, SIG_DFL);
466390142b8Sbostic (void)kill(0, SIGSEGV);
467390142b8Sbostic /* NOTREACHED */
46852fa1024Sroot }
469390142b8Sbostic }
470635bd1c1Storek
471635bd1c1Storek char *
rawname(cp)472635bd1c1Storek rawname(cp)
47352fa1024Sroot char *cp;
47452fa1024Sroot {
47550f24b61Smckusick static char rawbuf[MAXPATHLEN];
476a1442695Sbostic char *dp = strrchr(cp, '/');
47752fa1024Sroot
4787548e873Storek if (dp == NULL)
4797548e873Storek return (NULL);
4807548e873Storek *dp = '\0';
4815b62b7c7Smckusick (void)strcpy(rawbuf, cp);
48252fa1024Sroot *dp = '/';
4835b62b7c7Smckusick (void)strcat(rawbuf, "/r");
4845b62b7c7Smckusick (void)strcat(rawbuf, dp + 1);
48552fa1024Sroot return (rawbuf);
48652fa1024Sroot }
4873c70383eSmckusick
488*e5cdbe87Smckusick /*
489*e5cdbe87Smckusick * obsolete --
490*e5cdbe87Smckusick * Change set of key letters and ordered arguments into something
491*e5cdbe87Smckusick * getopt(3) will like.
492*e5cdbe87Smckusick */
493*e5cdbe87Smckusick static void
obsolete(argcp,argvp)494*e5cdbe87Smckusick obsolete(argcp, argvp)
495*e5cdbe87Smckusick int *argcp;
496*e5cdbe87Smckusick char **argvp[];
4973c70383eSmckusick {
498*e5cdbe87Smckusick int argc, flags;
499*e5cdbe87Smckusick char *ap, **argv, *flagsp, **nargv, *p;
5003c70383eSmckusick
501*e5cdbe87Smckusick /* Setup. */
502*e5cdbe87Smckusick argv = *argvp;
503*e5cdbe87Smckusick argc = *argcp;
504*e5cdbe87Smckusick
505*e5cdbe87Smckusick /* Return if no arguments or first argument has leading dash. */
506*e5cdbe87Smckusick ap = argv[1];
507*e5cdbe87Smckusick if (argc == 1 || *ap == '-')
508*e5cdbe87Smckusick return;
509*e5cdbe87Smckusick
510*e5cdbe87Smckusick /* Allocate space for new arguments. */
511*e5cdbe87Smckusick if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
512*e5cdbe87Smckusick (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
513*e5cdbe87Smckusick err(1, NULL);
514*e5cdbe87Smckusick
515*e5cdbe87Smckusick *nargv++ = *argv;
516*e5cdbe87Smckusick argv += 2;
517*e5cdbe87Smckusick
518*e5cdbe87Smckusick for (flags = 0; *ap; ++ap) {
519*e5cdbe87Smckusick switch (*ap) {
520*e5cdbe87Smckusick case 'B':
521*e5cdbe87Smckusick case 'b':
522*e5cdbe87Smckusick case 'd':
523*e5cdbe87Smckusick case 'f':
524*e5cdbe87Smckusick case 'h':
525*e5cdbe87Smckusick case 's':
526*e5cdbe87Smckusick case 'T':
527*e5cdbe87Smckusick if (*argv == NULL) {
528*e5cdbe87Smckusick warnx("option requires an argument -- %c", *ap);
529*e5cdbe87Smckusick usage();
5303c70383eSmckusick }
531*e5cdbe87Smckusick if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
532*e5cdbe87Smckusick err(1, NULL);
533*e5cdbe87Smckusick nargv[0][0] = '-';
534*e5cdbe87Smckusick nargv[0][1] = *ap;
535*e5cdbe87Smckusick (void)strcpy(&nargv[0][2], *argv);
536*e5cdbe87Smckusick ++argv;
537*e5cdbe87Smckusick ++nargv;
538*e5cdbe87Smckusick break;
539*e5cdbe87Smckusick default:
540*e5cdbe87Smckusick if (!flags) {
541*e5cdbe87Smckusick *p++ = '-';
542*e5cdbe87Smckusick flags = 1;
543*e5cdbe87Smckusick }
544*e5cdbe87Smckusick *p++ = *ap;
545*e5cdbe87Smckusick break;
546*e5cdbe87Smckusick }
547*e5cdbe87Smckusick }
548*e5cdbe87Smckusick
549*e5cdbe87Smckusick /* Terminate flags. */
550*e5cdbe87Smckusick if (flags) {
551*e5cdbe87Smckusick *p = '\0';
552*e5cdbe87Smckusick *nargv++ = flagsp;
553*e5cdbe87Smckusick }
554*e5cdbe87Smckusick
555*e5cdbe87Smckusick /* Copy remaining arguments. */
556*e5cdbe87Smckusick while (*nargv++ = *argv++);
557*e5cdbe87Smckusick
558*e5cdbe87Smckusick /* Update argument count. */
559*e5cdbe87Smckusick *argcp = nargv - *argvp - 1;
560*e5cdbe87Smckusick }
561