18fae3551SRodney W. Grimes /*- 28fae3551SRodney W. Grimes * Copyright (c) 1980, 1991, 1993, 1994 38fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 48fae3551SRodney W. Grimes * 58fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 68fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 78fae3551SRodney W. Grimes * are met: 88fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 98fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 108fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 118fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 128fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 138fae3551SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 148fae3551SRodney W. Grimes * must display the following acknowledgement: 158fae3551SRodney W. Grimes * This product includes software developed by the University of 168fae3551SRodney W. Grimes * California, Berkeley and its contributors. 178fae3551SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 188fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 198fae3551SRodney W. Grimes * without specific prior written permission. 208fae3551SRodney W. Grimes * 218fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 228fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 238fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 248fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 258fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 268fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 278fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 288fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 298fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 308fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 318fae3551SRodney W. Grimes * SUCH DAMAGE. 328fae3551SRodney W. Grimes */ 338fae3551SRodney W. Grimes 348fae3551SRodney W. Grimes #ifndef lint 357580ffbbSPhilippe Charnier static const char copyright[] = 368fae3551SRodney W. Grimes "@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 378fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 388fae3551SRodney W. Grimes #endif /* not lint */ 398fae3551SRodney W. Grimes 408fae3551SRodney W. Grimes #ifndef lint 417580ffbbSPhilippe Charnier #if 0 42a37c38b8SPeter Wemm static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/1/95"; 437580ffbbSPhilippe Charnier #endif 447580ffbbSPhilippe Charnier static const char rcsid[] = 457f3dea24SPeter Wemm "$FreeBSD$"; 468fae3551SRodney W. Grimes #endif /* not lint */ 478fae3551SRodney W. Grimes 488fae3551SRodney W. Grimes #include <sys/param.h> 4904285c06SJoerg Wunsch #include <sys/stat.h> 508fae3551SRodney W. Grimes #include <sys/time.h> 51194a6667SKirk McKusick #include <sys/mount.h> 5275766e17SPoul-Henning Kamp #include <sys/disklabel.h> 538fae3551SRodney W. Grimes 548fae3551SRodney W. Grimes #include <ufs/ufs/dinode.h> 55194a6667SKirk McKusick #include <ufs/ufs/ufsmount.h> 56a37c38b8SPeter Wemm #include <ufs/ffs/fs.h> 578fae3551SRodney W. Grimes 588fae3551SRodney W. Grimes #include <protocols/dumprestore.h> 598fae3551SRodney W. Grimes 608fae3551SRodney W. Grimes #include <ctype.h> 61a37c38b8SPeter Wemm #include <err.h> 62194a6667SKirk McKusick #include <errno.h> 638fae3551SRodney W. Grimes #include <fcntl.h> 648fae3551SRodney W. Grimes #include <fstab.h> 65617dbd3cSIan Dowse #include <inttypes.h> 6689fdc4e1SMike Barcroft #include <limits.h> 678fae3551SRodney W. Grimes #include <signal.h> 688fae3551SRodney W. Grimes #include <stdio.h> 698fae3551SRodney W. Grimes #include <stdlib.h> 708fae3551SRodney W. Grimes #include <string.h> 71617dbd3cSIan Dowse #include <timeconv.h> 728fae3551SRodney W. Grimes #include <unistd.h> 738fae3551SRodney W. Grimes 748fae3551SRodney W. Grimes #include "dump.h" 758fae3551SRodney W. Grimes #include "pathnames.h" 768fae3551SRodney W. Grimes 778fae3551SRodney W. Grimes int notify = 0; /* notify operator flag */ 78194a6667SKirk McKusick int snapdump = 0; /* dumping live filesystem, so use snapshot */ 798fae3551SRodney W. Grimes int blockswritten = 0; /* number of blocks written on current tape */ 808fae3551SRodney W. Grimes int tapeno = 0; /* current tape number */ 81019420a5SJoerg Wunsch int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */ 828fae3551SRodney W. Grimes int ntrec = NTREC; /* # tape blocks in each tape record */ 838fae3551SRodney W. Grimes int cartridge = 0; /* Assume non-cartridge tape */ 845941e412SMatthew Dillon int cachesize = 0; /* block cache size (in bytes), defaults to 0 */ 858fae3551SRodney W. Grimes long dev_bsize = 1; /* recalculated below */ 868fae3551SRodney W. Grimes long blocksperfile; /* output blocks per file */ 878fae3551SRodney W. Grimes char *host = NULL; /* remote host (if any) */ 888fae3551SRodney W. Grimes 891c85e6a3SKirk McKusick /* 901c85e6a3SKirk McKusick * Possible superblock locations ordered from most to least likely. 911c85e6a3SKirk McKusick */ 921c85e6a3SKirk McKusick static int sblock_try[] = SBLOCKSEARCH; 931c85e6a3SKirk McKusick 94194a6667SKirk McKusick static char *getmntpt(char *, int *); 952db673abSWarner Losh static long numarg(const char *, long, long); 962db673abSWarner Losh static void obsolete(int *, char **[]); 972db673abSWarner Losh static void usage(void) __dead2; 988fae3551SRodney W. Grimes 998fae3551SRodney W. Grimes int 1002db673abSWarner Losh main(int argc, char *argv[]) 1018fae3551SRodney W. Grimes { 102a50e99d1SIan Dowse struct stat sb; 103d2334e27SIan Dowse ino_t ino; 104d2334e27SIan Dowse int dirty; 1051c85e6a3SKirk McKusick union dinode *dp; 106d2334e27SIan Dowse struct fstab *dt; 107194a6667SKirk McKusick char *map, *mntpt; 108194a6667SKirk McKusick int ch, mode, mntflags; 1098fae3551SRodney W. Grimes int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; 1109ac0768dSIan Dowse int just_estimate = 0; 1118fae3551SRodney W. Grimes ino_t maxino; 1125b3817c6SMatthew Dillon char *tmsg; 1138fae3551SRodney W. Grimes 1141c85e6a3SKirk McKusick spcl.c_date = _time_to_time64(time(NULL)); 1158fae3551SRodney W. Grimes 1168fae3551SRodney W. Grimes tsize = 0; /* Default later, based on 'c' option for cart tapes */ 117f5dcc2f1SWarner Losh if ((tape = getenv("TAPE")) == NULL) 1188fae3551SRodney W. Grimes tape = _PATH_DEFTAPE; 1198fae3551SRodney W. Grimes dumpdates = _PATH_DUMPDATES; 1208fae3551SRodney W. Grimes temp = _PATH_DTMP; 1218fae3551SRodney W. Grimes if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) 1228fae3551SRodney W. Grimes quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); 1238fae3551SRodney W. Grimes level = '0'; 124a37c38b8SPeter Wemm 125a37c38b8SPeter Wemm if (argc < 2) 126a37c38b8SPeter Wemm usage(); 127a37c38b8SPeter Wemm 128a37c38b8SPeter Wemm obsolete(&argc, &argv); 12944b81f0fSRuslan Ermilov while ((ch = getopt(argc, argv, 13044b81f0fSRuslan Ermilov "0123456789aB:b:C:cD:d:f:h:LnSs:T:uWw")) != -1) 131a37c38b8SPeter Wemm switch (ch) { 132a37c38b8SPeter Wemm /* dump level */ 133a37c38b8SPeter Wemm case '0': case '1': case '2': case '3': case '4': 134a37c38b8SPeter Wemm case '5': case '6': case '7': case '8': case '9': 135a37c38b8SPeter Wemm level = ch; 1368fae3551SRodney W. Grimes break; 1378fae3551SRodney W. Grimes 138a37c38b8SPeter Wemm case 'a': /* `auto-size', Write to EOM. */ 139a37c38b8SPeter Wemm unlimited = 1; 1408fae3551SRodney W. Grimes break; 1418fae3551SRodney W. Grimes 142a37c38b8SPeter Wemm case 'B': /* blocks per output file */ 143a37c38b8SPeter Wemm blocksperfile = numarg("number of blocks per file", 144a37c38b8SPeter Wemm 1L, 0L); 1458fae3551SRodney W. Grimes break; 1468fae3551SRodney W. Grimes 1478fae3551SRodney W. Grimes case 'b': /* blocks per tape write */ 148a37c38b8SPeter Wemm ntrec = numarg("number of blocks per write", 149a37c38b8SPeter Wemm 1L, 1000L); 1508fae3551SRodney W. Grimes break; 1518fae3551SRodney W. Grimes 1521f6a4631SRuslan Ermilov case 'C': 1531f6a4631SRuslan Ermilov cachesize = numarg("cachesize", 0, 0) * 1024 * 1024; 1541f6a4631SRuslan Ermilov break; 1551f6a4631SRuslan Ermilov 1568fae3551SRodney W. Grimes case 'c': /* Tape is cart. not 9-track */ 1578fae3551SRodney W. Grimes cartridge = 1; 1588fae3551SRodney W. Grimes break; 1598fae3551SRodney W. Grimes 1601f6a4631SRuslan Ermilov case 'D': 1611f6a4631SRuslan Ermilov dumpdates = optarg; 1621f6a4631SRuslan Ermilov break; 1631f6a4631SRuslan Ermilov 164a37c38b8SPeter Wemm case 'd': /* density, in bits per inch */ 165a37c38b8SPeter Wemm density = numarg("density", 10L, 327670L) / 10; 166a37c38b8SPeter Wemm if (density >= 625 && !bflag) 167a37c38b8SPeter Wemm ntrec = HIGHDENSITYTREC; 168af00957eSJoerg Wunsch break; 169af00957eSJoerg Wunsch 170a37c38b8SPeter Wemm case 'f': /* output file */ 171a37c38b8SPeter Wemm tape = optarg; 1728fae3551SRodney W. Grimes break; 1738fae3551SRodney W. Grimes 174a37c38b8SPeter Wemm case 'h': 175a37c38b8SPeter Wemm honorlevel = numarg("honor level", 0L, 10L); 1768fae3551SRodney W. Grimes break; 1778fae3551SRodney W. Grimes 178194a6667SKirk McKusick case 'L': 179194a6667SKirk McKusick snapdump = 1; 180194a6667SKirk McKusick break; 181194a6667SKirk McKusick 1828fae3551SRodney W. Grimes case 'n': /* notify operators */ 1838fae3551SRodney W. Grimes notify = 1; 1848fae3551SRodney W. Grimes break; 1858fae3551SRodney W. Grimes 1869ac0768dSIan Dowse case 'S': /* exit after estimating # of tapes */ 1879ac0768dSIan Dowse just_estimate = 1; 1889ac0768dSIan Dowse break; 1899ac0768dSIan Dowse 1901f6a4631SRuslan Ermilov case 's': /* tape size, feet */ 1911f6a4631SRuslan Ermilov tsize = numarg("tape size", 1L, 0L) * 12 * 10; 1921f6a4631SRuslan Ermilov break; 1931f6a4631SRuslan Ermilov 194a37c38b8SPeter Wemm case 'T': /* time of last dump */ 195a37c38b8SPeter Wemm spcl.c_ddate = unctime(optarg); 196a37c38b8SPeter Wemm if (spcl.c_ddate < 0) { 197a37c38b8SPeter Wemm (void)fprintf(stderr, "bad time \"%s\"\n", 198a37c38b8SPeter Wemm optarg); 199f69e804dSJoseph Koshy exit(X_STARTUP); 2008fae3551SRodney W. Grimes } 201a37c38b8SPeter Wemm Tflag = 1; 202a37c38b8SPeter Wemm lastlevel = '?'; 203a37c38b8SPeter Wemm break; 204a37c38b8SPeter Wemm 205a37c38b8SPeter Wemm case 'u': /* update /etc/dumpdates */ 206a37c38b8SPeter Wemm uflag = 1; 207a37c38b8SPeter Wemm break; 208a37c38b8SPeter Wemm 209a37c38b8SPeter Wemm case 'W': /* what to do */ 210a37c38b8SPeter Wemm case 'w': 211a37c38b8SPeter Wemm lastdump(ch); 212f69e804dSJoseph Koshy exit(X_FINOK); /* do nothing else */ 213a37c38b8SPeter Wemm 214a37c38b8SPeter Wemm default: 215a37c38b8SPeter Wemm usage(); 2168fae3551SRodney W. Grimes } 217a37c38b8SPeter Wemm argc -= optind; 218a37c38b8SPeter Wemm argv += optind; 219a37c38b8SPeter Wemm 2208fae3551SRodney W. Grimes if (argc < 1) { 2218fae3551SRodney W. Grimes (void)fprintf(stderr, "Must specify disk or file system\n"); 222f69e804dSJoseph Koshy exit(X_STARTUP); 2238fae3551SRodney W. Grimes } 2248fae3551SRodney W. Grimes disk = *argv++; 2258fae3551SRodney W. Grimes argc--; 2268fae3551SRodney W. Grimes if (argc >= 1) { 2278fae3551SRodney W. Grimes (void)fprintf(stderr, "Unknown arguments to dump:"); 2288fae3551SRodney W. Grimes while (argc--) 2298fae3551SRodney W. Grimes (void)fprintf(stderr, " %s", *argv++); 2308fae3551SRodney W. Grimes (void)fprintf(stderr, "\n"); 231f69e804dSJoseph Koshy exit(X_STARTUP); 2328fae3551SRodney W. Grimes } 2338fae3551SRodney W. Grimes if (Tflag && uflag) { 2348fae3551SRodney W. Grimes (void)fprintf(stderr, 2358fae3551SRodney W. Grimes "You cannot use the T and u flags together.\n"); 236f69e804dSJoseph Koshy exit(X_STARTUP); 2378fae3551SRodney W. Grimes } 2388fae3551SRodney W. Grimes if (strcmp(tape, "-") == 0) { 2398fae3551SRodney W. Grimes pipeout++; 2408fae3551SRodney W. Grimes tape = "standard output"; 2418fae3551SRodney W. Grimes } 2428fae3551SRodney W. Grimes 2438fae3551SRodney W. Grimes if (blocksperfile) 2448fae3551SRodney W. Grimes blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ 245af00957eSJoerg Wunsch else if (!unlimited) { 2468fae3551SRodney W. Grimes /* 2478fae3551SRodney W. Grimes * Determine how to default tape size and density 2488fae3551SRodney W. Grimes * 2498fae3551SRodney W. Grimes * density tape size 2508fae3551SRodney W. Grimes * 9-track 1600 bpi (160 bytes/.1") 2300 ft. 2518fae3551SRodney W. Grimes * 9-track 6250 bpi (625 bytes/.1") 2300 ft. 2528fae3551SRodney W. Grimes * cartridge 8000 bpi (100 bytes/.1") 1700 ft. 2538fae3551SRodney W. Grimes * (450*4 - slop) 254019420a5SJoerg Wunsch * hilit19 hits again: " 2558fae3551SRodney W. Grimes */ 2568fae3551SRodney W. Grimes if (density == 0) 2578fae3551SRodney W. Grimes density = cartridge ? 100 : 160; 2588fae3551SRodney W. Grimes if (tsize == 0) 2598fae3551SRodney W. Grimes tsize = cartridge ? 1700L*120L : 2300L*120L; 2608fae3551SRodney W. Grimes } 2618fae3551SRodney W. Grimes 262a37c38b8SPeter Wemm if (strchr(tape, ':')) { 2638fae3551SRodney W. Grimes host = tape; 264a37c38b8SPeter Wemm tape = strchr(host, ':'); 2658fae3551SRodney W. Grimes *tape++ = '\0'; 2668fae3551SRodney W. Grimes #ifdef RDUMP 2679e0dc595SPeter Wemm if (index(tape, '\n')) { 268f5dcc2f1SWarner Losh (void)fprintf(stderr, "invalid characters in tape\n"); 269f69e804dSJoseph Koshy exit(X_STARTUP); 270f5dcc2f1SWarner Losh } 2718fae3551SRodney W. Grimes if (rmthost(host) == 0) 272f69e804dSJoseph Koshy exit(X_STARTUP); 2738fae3551SRodney W. Grimes #else 2748fae3551SRodney W. Grimes (void)fprintf(stderr, "remote dump not enabled\n"); 275f69e804dSJoseph Koshy exit(X_STARTUP); 2768fae3551SRodney W. Grimes #endif 2778fae3551SRodney W. Grimes } 2788fae3551SRodney W. Grimes (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ 2798fae3551SRodney W. Grimes 2808fae3551SRodney W. Grimes if (signal(SIGHUP, SIG_IGN) != SIG_IGN) 2818fae3551SRodney W. Grimes signal(SIGHUP, sig); 2828fae3551SRodney W. Grimes if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) 2838fae3551SRodney W. Grimes signal(SIGTRAP, sig); 2848fae3551SRodney W. Grimes if (signal(SIGFPE, SIG_IGN) != SIG_IGN) 2858fae3551SRodney W. Grimes signal(SIGFPE, sig); 2868fae3551SRodney W. Grimes if (signal(SIGBUS, SIG_IGN) != SIG_IGN) 2878fae3551SRodney W. Grimes signal(SIGBUS, sig); 2888fae3551SRodney W. Grimes if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) 2898fae3551SRodney W. Grimes signal(SIGSEGV, sig); 2908fae3551SRodney W. Grimes if (signal(SIGTERM, SIG_IGN) != SIG_IGN) 2918fae3551SRodney W. Grimes signal(SIGTERM, sig); 2928fae3551SRodney W. Grimes if (signal(SIGINT, interrupt) == SIG_IGN) 2938fae3551SRodney W. Grimes signal(SIGINT, SIG_IGN); 2948fae3551SRodney W. Grimes 295a3165d16SMatthew N. Dodd dump_getfstab(); /* /etc/fstab snarfed */ 2968fae3551SRodney W. Grimes /* 2978fae3551SRodney W. Grimes * disk can be either the full special file name, 2988fae3551SRodney W. Grimes * the suffix of the special file name, 2998fae3551SRodney W. Grimes * the special name missing the leading '/', 3008fae3551SRodney W. Grimes * the file system name with or without the leading '/'. 3018fae3551SRodney W. Grimes */ 3028fae3551SRodney W. Grimes dt = fstabsearch(disk); 3038fae3551SRodney W. Grimes if (dt != NULL) { 3048fae3551SRodney W. Grimes disk = rawname(dt->fs_spec); 3058fae3551SRodney W. Grimes (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); 3068fae3551SRodney W. Grimes (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); 3078fae3551SRodney W. Grimes } else { 3088fae3551SRodney W. Grimes (void)strncpy(spcl.c_dev, disk, NAMELEN); 3098fae3551SRodney W. Grimes (void)strncpy(spcl.c_filesys, "an unlisted file system", 3108fae3551SRodney W. Grimes NAMELEN); 3118fae3551SRodney W. Grimes } 312f5dcc2f1SWarner Losh spcl.c_dev[NAMELEN-1]='\0'; 313f5dcc2f1SWarner Losh spcl.c_filesys[NAMELEN-1]='\0'; 314194a6667SKirk McKusick 315194a6667SKirk McKusick if ((mntpt = getmntpt(disk, &mntflags)) != 0) { 316194a6667SKirk McKusick if (snapdump == 0) { 317194a6667SKirk McKusick msg("WARNING: %s\n", 318194a6667SKirk McKusick "should use -L when dumping live filesystems!"); 319194a6667SKirk McKusick } else { 320194a6667SKirk McKusick struct ufs_args args; 321194a6667SKirk McKusick char snapname[BUFSIZ]; 322194a6667SKirk McKusick 323194a6667SKirk McKusick snprintf(snapname, sizeof snapname, "%s/.dump_snapshot", 324194a6667SKirk McKusick mntpt); 325194a6667SKirk McKusick args.fspec = snapname; 326194a6667SKirk McKusick while (mount("ffs", mntpt, 327194a6667SKirk McKusick mntflags | MNT_UPDATE | MNT_SNAPSHOT, 328194a6667SKirk McKusick &args) < 0) { 329194a6667SKirk McKusick if (errno == EEXIST && unlink(snapname) == 0) 330194a6667SKirk McKusick continue; 331194a6667SKirk McKusick errx(X_STARTUP, "Cannot create %s: %s\n", 332194a6667SKirk McKusick snapname, strerror(errno)); 333194a6667SKirk McKusick } 334194a6667SKirk McKusick if ((diskfd = open(snapname, O_RDONLY)) < 0) { 335194a6667SKirk McKusick unlink(snapname); 336194a6667SKirk McKusick errx(X_STARTUP, "Cannot open %s: %s\n", 337194a6667SKirk McKusick snapname, strerror(errno)); 338194a6667SKirk McKusick } 339194a6667SKirk McKusick unlink(snapname); 340194a6667SKirk McKusick if (fstat(diskfd, &sb) != 0) 341194a6667SKirk McKusick err(X_STARTUP, "%s: stat", snapname); 342194a6667SKirk McKusick spcl.c_date = _time_to_time64(sb.st_mtime); 343194a6667SKirk McKusick } 344194a6667SKirk McKusick } else if (snapdump != 0) { 345194a6667SKirk McKusick msg("WARNING: Cannot use -L on an unmounted filesystem.\n"); 346194a6667SKirk McKusick snapdump = 0; 347194a6667SKirk McKusick } 348194a6667SKirk McKusick if (snapdump == 0) { 349194a6667SKirk McKusick if ((diskfd = open(disk, O_RDONLY)) < 0) 350194a6667SKirk McKusick err(X_STARTUP, "Cannot open %s", disk); 351194a6667SKirk McKusick if (fstat(diskfd, &sb) != 0) 352194a6667SKirk McKusick err(X_STARTUP, "%s: stat", disk); 353194a6667SKirk McKusick if (S_ISDIR(sb.st_mode)) 354194a6667SKirk McKusick errx(X_STARTUP, "%s: unknown file system", disk); 355194a6667SKirk McKusick } 356194a6667SKirk McKusick 3578fae3551SRodney W. Grimes (void)strcpy(spcl.c_label, "none"); 3588fae3551SRodney W. Grimes (void)gethostname(spcl.c_host, NAMELEN); 3598fae3551SRodney W. Grimes spcl.c_level = level - '0'; 3608fae3551SRodney W. Grimes spcl.c_type = TS_TAPE; 3618fae3551SRodney W. Grimes 3625b3817c6SMatthew Dillon if (spcl.c_date == 0) { 3635b3817c6SMatthew Dillon tmsg = "the epoch\n"; 3645b3817c6SMatthew Dillon } else { 3651c85e6a3SKirk McKusick time_t t = _time64_to_time(spcl.c_date); 3665b3817c6SMatthew Dillon tmsg = ctime(&t); 3675b3817c6SMatthew Dillon } 3685b3817c6SMatthew Dillon msg("Date of this level %c dump: %s", level, tmsg); 369194a6667SKirk McKusick 370194a6667SKirk McKusick if (!Tflag) 371194a6667SKirk McKusick getdumptime(); /* /etc/dumpdates snarfed */ 3725b3817c6SMatthew Dillon if (spcl.c_ddate == 0) { 3735b3817c6SMatthew Dillon tmsg = "the epoch\n"; 3745b3817c6SMatthew Dillon } else { 3751c85e6a3SKirk McKusick time_t t = _time64_to_time(spcl.c_ddate); 3765b3817c6SMatthew Dillon tmsg = ctime(&t); 3775b3817c6SMatthew Dillon } 3785b3817c6SMatthew Dillon msg("Date of last level %c dump: %s", lastlevel, tmsg); 379194a6667SKirk McKusick 380194a6667SKirk McKusick msg("Dumping %s%s ", snapdump ? "snapshot of ": "", disk); 3818fae3551SRodney W. Grimes if (dt != NULL) 3828fae3551SRodney W. Grimes msgtail("(%s) ", dt->fs_file); 3838fae3551SRodney W. Grimes if (host) 3848fae3551SRodney W. Grimes msgtail("to %s on host %s\n", tape, host); 3858fae3551SRodney W. Grimes else 3868fae3551SRodney W. Grimes msgtail("to %s\n", tape); 3878fae3551SRodney W. Grimes 3888fae3551SRodney W. Grimes sync(); 3898fae3551SRodney W. Grimes sblock = (struct fs *)sblock_buf; 3901c85e6a3SKirk McKusick for (i = 0; sblock_try[i] != -1; i++) { 3911c85e6a3SKirk McKusick bread(sblock_try[i] >> dev_bshift, (char *) sblock, SBLOCKSIZE); 3921c85e6a3SKirk McKusick if ((sblock->fs_magic == FS_UFS1_MAGIC || 3931c85e6a3SKirk McKusick (sblock->fs_magic == FS_UFS2_MAGIC && 394ada981b2SKirk McKusick sblock->fs_sblockloc == sblock_try[i])) && 3951c85e6a3SKirk McKusick sblock->fs_bsize <= MAXBSIZE && 3961c85e6a3SKirk McKusick sblock->fs_bsize >= sizeof(struct fs)) 3971c85e6a3SKirk McKusick break; 3981c85e6a3SKirk McKusick } 3991c85e6a3SKirk McKusick if (sblock_try[i] == -1) 4001c85e6a3SKirk McKusick quit("Cannot find file system superblock\n"); 4018fae3551SRodney W. Grimes dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); 4028fae3551SRodney W. Grimes dev_bshift = ffs(dev_bsize) - 1; 4038fae3551SRodney W. Grimes if (dev_bsize != (1 << dev_bshift)) 404617dbd3cSIan Dowse quit("dev_bsize (%ld) is not a power of 2", dev_bsize); 4058fae3551SRodney W. Grimes tp_bshift = ffs(TP_BSIZE) - 1; 4068fae3551SRodney W. Grimes if (TP_BSIZE != (1 << tp_bshift)) 4078fae3551SRodney W. Grimes quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); 4088fae3551SRodney W. Grimes maxino = sblock->fs_ipg * sblock->fs_ncg; 40989fdc4e1SMike Barcroft mapsize = roundup(howmany(maxino, CHAR_BIT), TP_BSIZE); 4108fae3551SRodney W. Grimes usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 4118fae3551SRodney W. Grimes dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); 4128fae3551SRodney W. Grimes dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 4138fae3551SRodney W. Grimes tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 4148fae3551SRodney W. Grimes 4158fae3551SRodney W. Grimes nonodump = spcl.c_level < honorlevel; 4168fae3551SRodney W. Grimes 4172bb823d2SIan Dowse passno = 1; 4182bb823d2SIan Dowse setproctitle("%s: pass 1: regular files", disk); 4198fae3551SRodney W. Grimes msg("mapping (Pass I) [regular files]\n"); 4208fae3551SRodney W. Grimes anydirskipped = mapfiles(maxino, &tapesize); 4218fae3551SRodney W. Grimes 4222bb823d2SIan Dowse passno = 2; 4232bb823d2SIan Dowse setproctitle("%s: pass 2: directories", disk); 4248fae3551SRodney W. Grimes msg("mapping (Pass II) [directories]\n"); 4258fae3551SRodney W. Grimes while (anydirskipped) { 4268fae3551SRodney W. Grimes anydirskipped = mapdirs(maxino, &tapesize); 4278fae3551SRodney W. Grimes } 4288fae3551SRodney W. Grimes 429af00957eSJoerg Wunsch if (pipeout || unlimited) { 4308fae3551SRodney W. Grimes tapesize += 10; /* 10 trailer blocks */ 4318fae3551SRodney W. Grimes msg("estimated %ld tape blocks.\n", tapesize); 4328fae3551SRodney W. Grimes } else { 4338fae3551SRodney W. Grimes double fetapes; 4348fae3551SRodney W. Grimes 4358fae3551SRodney W. Grimes if (blocksperfile) 4368fae3551SRodney W. Grimes fetapes = (double) tapesize / blocksperfile; 4378fae3551SRodney W. Grimes else if (cartridge) { 4388fae3551SRodney W. Grimes /* Estimate number of tapes, assuming streaming stops at 4398fae3551SRodney W. Grimes the end of each block written, and not in mid-block. 4408fae3551SRodney W. Grimes Assume no erroneous blocks; this can be compensated 4418fae3551SRodney W. Grimes for with an artificially low tape size. */ 4428fae3551SRodney W. Grimes fetapes = 44371fbc63cSPaul Traina ( (double) tapesize /* blocks */ 4448fae3551SRodney W. Grimes * TP_BSIZE /* bytes/block */ 445019420a5SJoerg Wunsch * (1.0/density) /* 0.1" / byte " */ 4468fae3551SRodney W. Grimes + 44771fbc63cSPaul Traina (double) tapesize /* blocks */ 4488fae3551SRodney W. Grimes * (1.0/ntrec) /* streaming-stops per block */ 449019420a5SJoerg Wunsch * 15.48 /* 0.1" / streaming-stop " */ 450019420a5SJoerg Wunsch ) * (1.0 / tsize ); /* tape / 0.1" " */ 4518fae3551SRodney W. Grimes } else { 4528fae3551SRodney W. Grimes /* Estimate number of tapes, for old fashioned 9-track 4538fae3551SRodney W. Grimes tape */ 4548fae3551SRodney W. Grimes int tenthsperirg = (density == 625) ? 3 : 7; 4558fae3551SRodney W. Grimes fetapes = 45671fbc63cSPaul Traina ( (double) tapesize /* blocks */ 4578fae3551SRodney W. Grimes * TP_BSIZE /* bytes / block */ 458019420a5SJoerg Wunsch * (1.0/density) /* 0.1" / byte " */ 4598fae3551SRodney W. Grimes + 46071fbc63cSPaul Traina (double) tapesize /* blocks */ 4618fae3551SRodney W. Grimes * (1.0/ntrec) /* IRG's / block */ 462019420a5SJoerg Wunsch * tenthsperirg /* 0.1" / IRG " */ 463019420a5SJoerg Wunsch ) * (1.0 / tsize ); /* tape / 0.1" " */ 4648fae3551SRodney W. Grimes } 4658fae3551SRodney W. Grimes etapes = fetapes; /* truncating assignment */ 4668fae3551SRodney W. Grimes etapes++; 4678fae3551SRodney W. Grimes /* count the dumped inodes map on each additional tape */ 4688fae3551SRodney W. Grimes tapesize += (etapes - 1) * 4698fae3551SRodney W. Grimes (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 4708fae3551SRodney W. Grimes tapesize += etapes + 10; /* headers + 10 trailer blks */ 4718fae3551SRodney W. Grimes msg("estimated %ld tape blocks on %3.2f tape(s).\n", 4728fae3551SRodney W. Grimes tapesize, fetapes); 4738fae3551SRodney W. Grimes } 4748fae3551SRodney W. Grimes 4758fae3551SRodney W. Grimes /* 4769ac0768dSIan Dowse * If the user only wants an estimate of the number of 4779ac0768dSIan Dowse * tapes, exit now. 4789ac0768dSIan Dowse */ 4799ac0768dSIan Dowse if (just_estimate) 4809ac0768dSIan Dowse exit(0); 4819ac0768dSIan Dowse 4829ac0768dSIan Dowse /* 4838fae3551SRodney W. Grimes * Allocate tape buffer. 4848fae3551SRodney W. Grimes */ 4858fae3551SRodney W. Grimes if (!alloctape()) 4867580ffbbSPhilippe Charnier quit( 4877580ffbbSPhilippe Charnier "can't allocate tape buffers - try a smaller blocking factor.\n"); 4888fae3551SRodney W. Grimes 4898fae3551SRodney W. Grimes startnewtape(1); 4908fae3551SRodney W. Grimes (void)time((time_t *)&(tstart_writing)); 4918fae3551SRodney W. Grimes dumpmap(usedinomap, TS_CLRI, maxino - 1); 4928fae3551SRodney W. Grimes 4932bb823d2SIan Dowse passno = 3; 4942bb823d2SIan Dowse setproctitle("%s: pass 3: directories", disk); 4958fae3551SRodney W. Grimes msg("dumping (Pass III) [directories]\n"); 4968fae3551SRodney W. Grimes dirty = 0; /* XXX just to get gcc to shut up */ 4978fae3551SRodney W. Grimes for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { 49889fdc4e1SMike Barcroft if (((ino - 1) % CHAR_BIT) == 0) /* map is offset by 1 */ 4998fae3551SRodney W. Grimes dirty = *map++; 5008fae3551SRodney W. Grimes else 5018fae3551SRodney W. Grimes dirty >>= 1; 5028fae3551SRodney W. Grimes if ((dirty & 1) == 0) 5038fae3551SRodney W. Grimes continue; 5048fae3551SRodney W. Grimes /* 5058fae3551SRodney W. Grimes * Skip directory inodes deleted and maybe reallocated 5068fae3551SRodney W. Grimes */ 5071c85e6a3SKirk McKusick dp = getino(ino, &mode); 5081c85e6a3SKirk McKusick if (mode != IFDIR) 5098fae3551SRodney W. Grimes continue; 5108fae3551SRodney W. Grimes (void)dumpino(dp, ino); 5118fae3551SRodney W. Grimes } 5128fae3551SRodney W. Grimes 5132bb823d2SIan Dowse passno = 4; 5142bb823d2SIan Dowse setproctitle("%s: pass 4: regular files", disk); 5158fae3551SRodney W. Grimes msg("dumping (Pass IV) [regular files]\n"); 5168fae3551SRodney W. Grimes for (map = dumpinomap, ino = 1; ino < maxino; ino++) { 51789fdc4e1SMike Barcroft if (((ino - 1) % CHAR_BIT) == 0) /* map is offset by 1 */ 5188fae3551SRodney W. Grimes dirty = *map++; 5198fae3551SRodney W. Grimes else 5208fae3551SRodney W. Grimes dirty >>= 1; 5218fae3551SRodney W. Grimes if ((dirty & 1) == 0) 5228fae3551SRodney W. Grimes continue; 5238fae3551SRodney W. Grimes /* 5248fae3551SRodney W. Grimes * Skip inodes deleted and reallocated as directories. 5258fae3551SRodney W. Grimes */ 5261c85e6a3SKirk McKusick dp = getino(ino, &mode); 5278fae3551SRodney W. Grimes if (mode == IFDIR) 5288fae3551SRodney W. Grimes continue; 5298fae3551SRodney W. Grimes (void)dumpino(dp, ino); 5308fae3551SRodney W. Grimes } 5318fae3551SRodney W. Grimes 532019420a5SJoerg Wunsch (void)time((time_t *)&(tend_writing)); 5338fae3551SRodney W. Grimes spcl.c_type = TS_END; 5348fae3551SRodney W. Grimes for (i = 0; i < ntrec; i++) 5358fae3551SRodney W. Grimes writeheader(maxino - 1); 5368fae3551SRodney W. Grimes if (pipeout) 537617dbd3cSIan Dowse msg("DUMP: %jd tape blocks\n", (intmax_t)spcl.c_tapea); 5388fae3551SRodney W. Grimes else 539617dbd3cSIan Dowse msg("DUMP: %jd tape blocks on %d volume%s\n", 540617dbd3cSIan Dowse (intmax_t)spcl.c_tapea, spcl.c_volume, 5418878be20SJean-Marc Zucconi (spcl.c_volume == 1) ? "" : "s"); 542019420a5SJoerg Wunsch 543019420a5SJoerg Wunsch /* report dump performance, avoid division through zero */ 544019420a5SJoerg Wunsch if (tend_writing - tstart_writing == 0) 545019420a5SJoerg Wunsch msg("finished in less than a second\n"); 546019420a5SJoerg Wunsch else 547617dbd3cSIan Dowse msg("finished in %d seconds, throughput %jd KBytes/sec\n", 548617dbd3cSIan Dowse tend_writing - tstart_writing, (intmax_t)(spcl.c_tapea / 549617dbd3cSIan Dowse (tend_writing - tstart_writing))); 550019420a5SJoerg Wunsch 5518fae3551SRodney W. Grimes putdumptime(); 5528fae3551SRodney W. Grimes trewind(); 553bfa0b298SPoul-Henning Kamp broadcast("DUMP IS DONE!\a\a\n"); 5548fae3551SRodney W. Grimes msg("DUMP IS DONE\n"); 5558fae3551SRodney W. Grimes Exit(X_FINOK); 5568fae3551SRodney W. Grimes /* NOTREACHED */ 5578fae3551SRodney W. Grimes } 5588fae3551SRodney W. Grimes 559a37c38b8SPeter Wemm static void 5602db673abSWarner Losh usage(void) 561a37c38b8SPeter Wemm { 562a1e5f53bSPhilippe Charnier fprintf(stderr, 56344b81f0fSRuslan Ermilov "usage: dump [-0123456789acLnSu] [-B records] [-b blocksize] [-C cachesize]\n" 5641f6a4631SRuslan Ermilov " [-D dumpdates] [-d density] [-f file] [-h level] [-s feet]\n" 5651f6a4631SRuslan Ermilov " [-T date] filesystem\n" 5664fb133adSBruce Evans " dump -W | -w\n"); 567f69e804dSJoseph Koshy exit(X_STARTUP); 568a37c38b8SPeter Wemm } 569a37c38b8SPeter Wemm 5708fae3551SRodney W. Grimes /* 571194a6667SKirk McKusick * Check to see if a disk is currently mounted. 572194a6667SKirk McKusick */ 573194a6667SKirk McKusick static char * 574194a6667SKirk McKusick getmntpt(char *name, int *mntflagsp) 575194a6667SKirk McKusick { 576194a6667SKirk McKusick long mntsize, i; 577194a6667SKirk McKusick struct statfs *mntbuf; 578194a6667SKirk McKusick 579194a6667SKirk McKusick mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 580194a6667SKirk McKusick for (i = 0; i < mntsize; i++) { 581194a6667SKirk McKusick if (!strcmp(mntbuf[i].f_mntfromname, name)) { 582194a6667SKirk McKusick *mntflagsp = mntbuf[i].f_flags; 583194a6667SKirk McKusick return (mntbuf[i].f_mntonname); 584194a6667SKirk McKusick } 585194a6667SKirk McKusick } 586194a6667SKirk McKusick return (0); 587194a6667SKirk McKusick } 588194a6667SKirk McKusick 589194a6667SKirk McKusick /* 5908fae3551SRodney W. Grimes * Pick up a numeric argument. It must be nonnegative and in the given 5918fae3551SRodney W. Grimes * range (except that a vmax of 0 means unlimited). 5928fae3551SRodney W. Grimes */ 5938fae3551SRodney W. Grimes static long 5942db673abSWarner Losh numarg(const char *meaning, long vmin, long vmax) 5958fae3551SRodney W. Grimes { 596a37c38b8SPeter Wemm char *p; 5978fae3551SRodney W. Grimes long val; 5988fae3551SRodney W. Grimes 599a37c38b8SPeter Wemm val = strtol(optarg, &p, 10); 600a37c38b8SPeter Wemm if (*p) 601a37c38b8SPeter Wemm errx(1, "illegal %s -- %s", meaning, optarg); 6028fae3551SRodney W. Grimes if (val < vmin || (vmax && val > vmax)) 603a37c38b8SPeter Wemm errx(1, "%s must be between %ld and %ld", meaning, vmin, vmax); 6048fae3551SRodney W. Grimes return (val); 6058fae3551SRodney W. Grimes } 6068fae3551SRodney W. Grimes 6078fae3551SRodney W. Grimes void 6082db673abSWarner Losh sig(int signo) 6098fae3551SRodney W. Grimes { 6108fae3551SRodney W. Grimes switch(signo) { 6118fae3551SRodney W. Grimes case SIGALRM: 6128fae3551SRodney W. Grimes case SIGBUS: 6138fae3551SRodney W. Grimes case SIGFPE: 6148fae3551SRodney W. Grimes case SIGHUP: 6158fae3551SRodney W. Grimes case SIGTERM: 6168fae3551SRodney W. Grimes case SIGTRAP: 6178fae3551SRodney W. Grimes if (pipeout) 6188fae3551SRodney W. Grimes quit("Signal on pipe: cannot recover\n"); 6198fae3551SRodney W. Grimes msg("Rewriting attempted as response to unknown signal.\n"); 6208fae3551SRodney W. Grimes (void)fflush(stderr); 6218fae3551SRodney W. Grimes (void)fflush(stdout); 6228fae3551SRodney W. Grimes close_rewind(); 6238fae3551SRodney W. Grimes exit(X_REWRITE); 6248fae3551SRodney W. Grimes /* NOTREACHED */ 6258fae3551SRodney W. Grimes case SIGSEGV: 6268fae3551SRodney W. Grimes msg("SIGSEGV: ABORTING!\n"); 6278fae3551SRodney W. Grimes (void)signal(SIGSEGV, SIG_DFL); 6288fae3551SRodney W. Grimes (void)kill(0, SIGSEGV); 6298fae3551SRodney W. Grimes /* NOTREACHED */ 6308fae3551SRodney W. Grimes } 6318fae3551SRodney W. Grimes } 6328fae3551SRodney W. Grimes 6338fae3551SRodney W. Grimes char * 6342db673abSWarner Losh rawname(char *cp) 6358fae3551SRodney W. Grimes { 6368fae3551SRodney W. Grimes static char rawbuf[MAXPATHLEN]; 63704285c06SJoerg Wunsch char *dp; 63804285c06SJoerg Wunsch struct stat sb; 63904285c06SJoerg Wunsch 64004285c06SJoerg Wunsch if (stat(cp, &sb) == 0) { 64104285c06SJoerg Wunsch /* 64204285c06SJoerg Wunsch * If the name already refers to a raw device, return 64304285c06SJoerg Wunsch * it immediately without tampering. 64404285c06SJoerg Wunsch */ 64504285c06SJoerg Wunsch if ((sb.st_mode & S_IFMT) == S_IFCHR) 64604285c06SJoerg Wunsch return (cp); 64704285c06SJoerg Wunsch } 64804285c06SJoerg Wunsch 64904285c06SJoerg Wunsch dp = strrchr(cp, '/'); 6508fae3551SRodney W. Grimes 6518fae3551SRodney W. Grimes if (dp == NULL) 6528fae3551SRodney W. Grimes return (NULL); 6538fae3551SRodney W. Grimes *dp = '\0'; 6542db673abSWarner Losh (void)strlcpy(rawbuf, cp, MAXPATHLEN - 1); 6558fae3551SRodney W. Grimes *dp = '/'; 6562db673abSWarner Losh (void)strlcat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf)); 6572db673abSWarner Losh (void)strlcat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf)); 6588fae3551SRodney W. Grimes return (rawbuf); 6598fae3551SRodney W. Grimes } 6608fae3551SRodney W. Grimes 661a37c38b8SPeter Wemm /* 662a37c38b8SPeter Wemm * obsolete -- 663a37c38b8SPeter Wemm * Change set of key letters and ordered arguments into something 664a37c38b8SPeter Wemm * getopt(3) will like. 665a37c38b8SPeter Wemm */ 666a37c38b8SPeter Wemm static void 6672db673abSWarner Losh obsolete(int *argcp, char **argvp[]) 6688fae3551SRodney W. Grimes { 669a37c38b8SPeter Wemm int argc, flags; 670a37c38b8SPeter Wemm char *ap, **argv, *flagsp, **nargv, *p; 6718fae3551SRodney W. Grimes 672a37c38b8SPeter Wemm /* Setup. */ 673a37c38b8SPeter Wemm argv = *argvp; 674a37c38b8SPeter Wemm argc = *argcp; 675a37c38b8SPeter Wemm 676a37c38b8SPeter Wemm /* Return if no arguments or first argument has leading dash. */ 677a37c38b8SPeter Wemm ap = argv[1]; 678a37c38b8SPeter Wemm if (argc == 1 || *ap == '-') 679a37c38b8SPeter Wemm return; 680a37c38b8SPeter Wemm 681a37c38b8SPeter Wemm /* Allocate space for new arguments. */ 682a37c38b8SPeter Wemm if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || 683a37c38b8SPeter Wemm (p = flagsp = malloc(strlen(ap) + 2)) == NULL) 684a37c38b8SPeter Wemm err(1, NULL); 685a37c38b8SPeter Wemm 686a37c38b8SPeter Wemm *nargv++ = *argv; 687a37c38b8SPeter Wemm argv += 2; 688a37c38b8SPeter Wemm 689a37c38b8SPeter Wemm for (flags = 0; *ap; ++ap) { 690a37c38b8SPeter Wemm switch (*ap) { 691a37c38b8SPeter Wemm case 'B': 692a37c38b8SPeter Wemm case 'b': 693a37c38b8SPeter Wemm case 'd': 694a37c38b8SPeter Wemm case 'f': 695cedae1f4SMatthew Dillon case 'D': 696ea8123f9SMatthew Dillon case 'C': 697a37c38b8SPeter Wemm case 'h': 698a37c38b8SPeter Wemm case 's': 699a37c38b8SPeter Wemm case 'T': 700a37c38b8SPeter Wemm if (*argv == NULL) { 701a37c38b8SPeter Wemm warnx("option requires an argument -- %c", *ap); 702a37c38b8SPeter Wemm usage(); 7038fae3551SRodney W. Grimes } 704a37c38b8SPeter Wemm if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) 705a37c38b8SPeter Wemm err(1, NULL); 706a37c38b8SPeter Wemm nargv[0][0] = '-'; 707a37c38b8SPeter Wemm nargv[0][1] = *ap; 708a37c38b8SPeter Wemm (void)strcpy(&nargv[0][2], *argv); 709a37c38b8SPeter Wemm ++argv; 710a37c38b8SPeter Wemm ++nargv; 711a37c38b8SPeter Wemm break; 712a37c38b8SPeter Wemm default: 713a37c38b8SPeter Wemm if (!flags) { 714a37c38b8SPeter Wemm *p++ = '-'; 715a37c38b8SPeter Wemm flags = 1; 716a37c38b8SPeter Wemm } 717a37c38b8SPeter Wemm *p++ = *ap; 718a37c38b8SPeter Wemm break; 719a37c38b8SPeter Wemm } 720a37c38b8SPeter Wemm } 721a37c38b8SPeter Wemm 722a37c38b8SPeter Wemm /* Terminate flags. */ 723a37c38b8SPeter Wemm if (flags) { 724a37c38b8SPeter Wemm *p = '\0'; 725a37c38b8SPeter Wemm *nargv++ = flagsp; 726a37c38b8SPeter Wemm } 727a37c38b8SPeter Wemm 728a37c38b8SPeter Wemm /* Copy remaining arguments. */ 7297580ffbbSPhilippe Charnier while ((*nargv++ = *argv++)); 730a37c38b8SPeter Wemm 731a37c38b8SPeter Wemm /* Update argument count. */ 732a37c38b8SPeter Wemm *argcp = nargv - *argvp - 1; 733a37c38b8SPeter Wemm } 734