main.c revision 1.25.6.8
1 /* $NetBSD: main.c,v 1.25.6.8 2002/03/28 22:40:03 he Exp $ */ 2 3 /*- 4 * Copyright (c) 1980, 1991, 1993, 1994 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 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/1/95"; 45 #else 46 __RCSID("$NetBSD: main.c,v 1.25.6.8 2002/03/28 22:40:03 he Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <sys/stat.h> 53 #include <sys/mount.h> 54 55 #include <ufs/ufs/dinode.h> 56 #include <ufs/ffs/fs.h> 57 #include <ufs/ffs/ffs_extern.h> 58 59 #include <protocols/dumprestore.h> 60 61 #include <ctype.h> 62 #include <err.h> 63 #include <errno.h> 64 #include <fcntl.h> 65 #include <fstab.h> 66 #include <signal.h> 67 #include <stdio.h> 68 #include <stdlib.h> 69 #include <string.h> 70 #include <time.h> 71 #include <unistd.h> 72 73 #include "dump.h" 74 #include "pathnames.h" 75 76 gid_t egid; /* Retain tty privs for notification */ 77 int notify = 0; /* notify operator flag */ 78 int blockswritten = 0; /* number of blocks written on current tape */ 79 int tapeno = 0; /* current tape number */ 80 int density = 0; /* density in bytes/0.1" */ 81 int ntrec = NTREC; /* # tape blocks in each tape record */ 82 int cartridge = 0; /* Assume non-cartridge tape */ 83 long dev_bsize = 1; /* recalculated below */ 84 long blocksperfile = 0; /* output blocks per file */ 85 char *host = NULL; /* remote host (if any) */ 86 int readcache = -1; /* read cache size (in readblksize blks) */ 87 int readblksize = 32 * 1024; /* read block size */ 88 89 int main __P((int, char *[])); 90 static long numarg __P((char *, long, long)); 91 static void obsolete __P((int *, char **[])); 92 static void usage __P((void)); 93 94 int 95 main(argc, argv) 96 int argc; 97 char *argv[]; 98 { 99 ino_t ino; 100 int dirty; 101 struct dinode *dp; 102 struct fstab *dt; 103 struct statfs *mntinfo, fsbuf; 104 char *map; 105 int ch; 106 int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; 107 ino_t maxino; 108 time_t tnow, date; 109 int dirc; 110 char *mountpoint; 111 int just_estimate = 0; 112 char labelstr[LBLSIZE]; 113 114 spcl.c_date = 0; 115 (void)time(&tnow); 116 spcl.c_date = tnow; 117 118 /* Save setgid bit for use later */ 119 egid = getegid(); 120 setegid(getgid()); 121 122 tsize = 0; /* Default later, based on 'c' option for cart tapes */ 123 if ((tape = getenv("TAPE")) == NULL) 124 tape = _PATH_DEFTAPE; 125 dumpdates = _PATH_DUMPDATES; 126 temp = _PATH_DTMP; 127 strcpy(labelstr, "none"); /* XXX safe strcpy. */ 128 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) 129 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); 130 level = '0'; 131 132 if (argc < 2) 133 usage(); 134 135 obsolete(&argc, &argv); 136 while ((ch = getopt(argc, argv, 137 "0123456789aB:b:cd:ef:h:k:l:L:nr:s:ST:uWw")) != -1) 138 switch (ch) { 139 /* dump level */ 140 case '0': case '1': case '2': case '3': case '4': 141 case '5': case '6': case '7': case '8': case '9': 142 level = ch; 143 break; 144 145 case 'a': /* `auto-size', Write to EOM. */ 146 unlimited = 1; 147 break; 148 149 case 'B': /* blocks per output file */ 150 blocksperfile = numarg("blocks per file", 1L, 0L); 151 break; 152 153 case 'b': /* blocks per tape write */ 154 ntrec = numarg("blocks per write", 1L, 1000L); 155 bflag = 1; 156 break; 157 158 case 'c': /* Tape is cart. not 9-track */ 159 cartridge = 1; 160 break; 161 162 case 'd': /* density, in bits per inch */ 163 density = numarg("density", 10L, 327670L) / 10; 164 if (density >= 625 && !bflag) 165 ntrec = HIGHDENSITYTREC; 166 break; 167 168 case 'e': /* eject full tapes */ 169 eflag = 1; 170 break; 171 172 case 'f': /* output file */ 173 tape = optarg; 174 break; 175 176 case 'h': 177 honorlevel = numarg("honor level", 0L, 10L); 178 break; 179 180 case 'k': 181 readblksize = numarg("read block size", 0, 64) * 1024; 182 break; 183 184 case 'l': /* autoload after eject full tapes */ 185 eflag = 1; 186 lflag = numarg("timeout (in seconds)", 1, 0); 187 break; 188 189 case 'L': 190 /* 191 * Note that although there are LBLSIZE characters, 192 * the last must be '\0', so the limit on strlen() 193 * is really LBLSIZE-1. 194 */ 195 strncpy(labelstr, optarg, LBLSIZE); 196 labelstr[LBLSIZE-1] = '\0'; 197 if (strlen(optarg) > LBLSIZE-1) { 198 msg( 199 "WARNING Label `%s' is larger than limit of %d characters.\n", 200 optarg, LBLSIZE-1); 201 msg("WARNING: Using truncated label `%s'.\n", 202 labelstr); 203 } 204 break; 205 case 'n': /* notify operators */ 206 notify = 1; 207 break; 208 209 case 'r': /* read cache size */ 210 readcache = numarg("read cache size", 0, 512); 211 break; 212 213 case 's': /* tape size, feet */ 214 tsize = numarg("tape size", 1L, 0L) * 12 * 10; 215 break; 216 217 case 'S': /* exit after estimating # of tapes */ 218 just_estimate = 1; 219 break; 220 221 case 'T': /* time of last dump */ 222 spcl.c_ddate = unctime(optarg); 223 if (spcl.c_ddate < 0) { 224 (void)fprintf(stderr, "bad time \"%s\"\n", 225 optarg); 226 exit(X_STARTUP); 227 } 228 Tflag = 1; 229 lastlevel = '?'; 230 break; 231 232 case 'u': /* update /etc/dumpdates */ 233 uflag = 1; 234 break; 235 236 case 'W': /* what to do */ 237 case 'w': 238 lastdump(ch); 239 exit(X_FINOK); /* do nothing else */ 240 241 default: 242 usage(); 243 } 244 argc -= optind; 245 argv += optind; 246 247 if (argc < 1) { 248 (void)fprintf(stderr, "Must specify disk or filesystem\n"); 249 exit(X_ABORT); 250 } 251 252 253 /* 254 * determine if disk is a subdirectory, and setup appropriately 255 */ 256 getfstab(); /* /etc/fstab snarfed */ 257 disk = NULL; 258 mountpoint = NULL; 259 dirc = 0; 260 for (i = 0; i < argc; i++) { 261 struct stat sb; 262 263 if (lstat(argv[i], &sb) == -1) 264 quit("Cannot stat %s: %s\n", argv[i], strerror(errno)); 265 if (S_ISCHR(sb.st_mode) || S_ISBLK(sb.st_mode)) { 266 disk = argv[i]; 267 multicheck: 268 if (dirc != 0) 269 quit( 270 "Can't dump a mountpoint and a filelist\n"); 271 break; 272 } 273 if ((dt = fstabsearch(argv[i])) != NULL) { 274 disk = dt->fs_spec; 275 if ((mountpoint = strdup(dt->fs_file)) == NULL) { 276 msg("Cannot malloc mountpoint\n"); 277 exit(X_ABORT); 278 } 279 goto multicheck; 280 } 281 if (statfs(argv[i], &fsbuf) == -1) 282 quit("Cannot statfs %s: %s\n", argv[i], 283 strerror(errno)); 284 disk = fsbuf.f_mntfromname; 285 if (strcmp(argv[i], fsbuf.f_mntonname) == 0) 286 goto multicheck; 287 if (mountpoint == NULL) { 288 if ((mountpoint = strdup(fsbuf.f_mntonname)) == NULL) { 289 msg("Cannot malloc mountpoint\n"); 290 exit(X_ABORT); 291 } 292 if (uflag) { 293 msg("Ignoring u flag for subdir dump\n"); 294 uflag = 0; 295 } 296 if (level > '0') { 297 msg("Subdir dump is done at level 0\n"); 298 level = '0'; 299 } 300 msg("Dumping sub files/directories from %s\n", 301 mountpoint); 302 } else { 303 if (strcmp(mountpoint, fsbuf.f_mntonname) != 0) 304 quit("%s is not on %s\n", argv[i], mountpoint); 305 } 306 msg("Dumping file/directory %s\n", argv[i]); 307 dirc++; 308 } 309 if (mountpoint) 310 free(mountpoint); 311 312 if (dirc == 0) { 313 argv++; 314 if (argc != 1) { 315 (void)fprintf(stderr, "Excess arguments to dump:"); 316 while (--argc) 317 (void)fprintf(stderr, " %s", *argv++); 318 (void)fprintf(stderr, "\n"); 319 exit(X_STARTUP); 320 } 321 } 322 if (Tflag && uflag) { 323 (void)fprintf(stderr, 324 "You cannot use the T and u flags together.\n"); 325 exit(X_STARTUP); 326 } 327 if (strcmp(tape, "-") == 0) { 328 pipeout++; 329 tape = "standard output"; 330 } 331 332 if (blocksperfile) 333 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ 334 else if (!unlimited) { 335 /* 336 * Determine how to default tape size and density 337 * 338 * density tape size 339 * 9-track 1600 bpi (160 bytes/.1") 2300 ft. 340 * 9-track 6250 bpi (625 bytes/.1") 2300 ft. 341 * cartridge 8000 bpi (100 bytes/.1") 1700 ft. 342 * (450*4 - slop) 343 */ 344 if (density == 0) 345 density = cartridge ? 100 : 160; 346 if (tsize == 0) 347 tsize = cartridge ? 1700L*120L : 2300L*120L; 348 } 349 350 if (strchr(tape, ':')) { 351 host = tape; 352 tape = strchr(host, ':'); 353 *tape++ = '\0'; 354 #ifdef RDUMP 355 if (rmthost(host) == 0) 356 exit(X_STARTUP); 357 #else 358 (void)fprintf(stderr, "remote dump not enabled\n"); 359 exit(X_STARTUP); 360 #endif 361 } 362 363 if (signal(SIGHUP, SIG_IGN) != SIG_IGN) 364 signal(SIGHUP, sig); 365 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) 366 signal(SIGTRAP, sig); 367 if (signal(SIGFPE, SIG_IGN) != SIG_IGN) 368 signal(SIGFPE, sig); 369 if (signal(SIGBUS, SIG_IGN) != SIG_IGN) 370 signal(SIGBUS, sig); 371 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) 372 signal(SIGSEGV, sig); 373 if (signal(SIGTERM, SIG_IGN) != SIG_IGN) 374 signal(SIGTERM, sig); 375 if (signal(SIGINT, interrupt) == SIG_IGN) 376 signal(SIGINT, SIG_IGN); 377 378 set_operators(); /* /etc/group snarfed */ 379 380 /* 381 * disk can be either the full special file name, or 382 * the file system name. 383 */ 384 mountpoint = NULL; 385 if ((dt = fstabsearch(disk)) != NULL) { 386 disk = rawname(dt->fs_spec); 387 mountpoint = dt->fs_file; 388 msg("Found %s on %s in %s\n", disk, mountpoint, _PATH_FSTAB); 389 } else if ((mntinfo = mntinfosearch(disk)) != NULL) { 390 disk = rawname(mntinfo->f_mntfromname); 391 mountpoint = mntinfo->f_mntonname; 392 msg("Found %s on %s in mount table\n", disk, mountpoint); 393 } 394 if (mountpoint != NULL) { 395 if (dirc != 0) 396 (void)snprintf(spcl.c_filesys, NAMELEN, 397 "a subset of %s", mountpoint); 398 else 399 (void)strncpy(spcl.c_filesys, mountpoint, NAMELEN); 400 } else { 401 (void)strncpy(spcl.c_filesys, "an unlisted file system", 402 NAMELEN); 403 } 404 (void)strncpy(spcl.c_dev, disk, NAMELEN); 405 (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1); 406 (void)gethostname(spcl.c_host, NAMELEN); 407 spcl.c_host[sizeof(spcl.c_host) - 1] = '\0'; 408 409 if ((diskfd = open(disk, O_RDONLY)) < 0) { 410 msg("Cannot open %s\n", disk); 411 exit(X_STARTUP); 412 } 413 sync(); 414 415 needswap = fs_read_sblock(sblock_buf); 416 417 spcl.c_level = iswap32(level - '0'); 418 spcl.c_type = iswap32(TS_TAPE); 419 spcl.c_date = iswap32(spcl.c_date); 420 spcl.c_ddate = iswap32(spcl.c_ddate); 421 if (!Tflag) 422 getdumptime(); /* /etc/dumpdates snarfed */ 423 424 date = iswap32(spcl.c_date); 425 msg("Date of this level %c dump: %s", level, 426 spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); 427 date = iswap32(spcl.c_ddate); 428 msg("Date of last level %c dump: %s", lastlevel, 429 spcl.c_ddate == 0 ? "the epoch\n" : ctime(&date)); 430 msg("Dumping "); 431 if (dirc != 0) 432 msgtail("a subset of "); 433 msgtail("%s (%s) ", disk, spcl.c_filesys); 434 if (host) 435 msgtail("to %s on host %s\n", tape, host); 436 else 437 msgtail("to %s\n", tape); 438 msg("Label: %s\n", labelstr); 439 440 ufsib = fs_parametrize(); 441 442 dev_bshift = ffs(dev_bsize) - 1; 443 if (dev_bsize != (1 << dev_bshift)) 444 quit("dev_bsize (%ld) is not a power of 2", dev_bsize); 445 tp_bshift = ffs(TP_BSIZE) - 1; 446 if (TP_BSIZE != (1 << tp_bshift)) 447 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); 448 maxino = fs_maxino(); 449 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); 450 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 451 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); 452 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 453 tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 454 455 nonodump = iswap32(spcl.c_level) < honorlevel; 456 457 initcache(readcache, readblksize); 458 459 (void)signal(SIGINFO, statussig); 460 461 msg("mapping (Pass I) [regular files]\n"); 462 anydirskipped = mapfiles(maxino, &tapesize, mountpoint, 463 (dirc ? argv : NULL)); 464 465 msg("mapping (Pass II) [directories]\n"); 466 while (anydirskipped) { 467 anydirskipped = mapdirs(maxino, &tapesize); 468 } 469 470 if (pipeout || unlimited) { 471 tapesize += 10; /* 10 trailer blocks */ 472 msg("estimated %ld tape blocks.\n", tapesize); 473 } else { 474 double fetapes; 475 476 if (blocksperfile) 477 fetapes = (double) tapesize / blocksperfile; 478 else if (cartridge) { 479 /* Estimate number of tapes, assuming streaming stops at 480 the end of each block written, and not in mid-block. 481 Assume no erroneous blocks; this can be compensated 482 for with an artificially low tape size. */ 483 fetapes = 484 ( (double) tapesize /* blocks */ 485 * TP_BSIZE /* bytes/block */ 486 * (1.0/density) /* 0.1" / byte */ 487 + 488 (double) tapesize /* blocks */ 489 * (1.0/ntrec) /* streaming-stops per block */ 490 * 15.48 /* 0.1" / streaming-stop */ 491 ) * (1.0 / tsize ); /* tape / 0.1" */ 492 } else { 493 /* Estimate number of tapes, for old fashioned 9-track 494 tape */ 495 int tenthsperirg = (density == 625) ? 3 : 7; 496 fetapes = 497 ( tapesize /* blocks */ 498 * TP_BSIZE /* bytes / block */ 499 * (1.0/density) /* 0.1" / byte */ 500 + 501 tapesize /* blocks */ 502 * (1.0/ntrec) /* IRG's / block */ 503 * tenthsperirg /* 0.1" / IRG */ 504 ) * (1.0 / tsize ); /* tape / 0.1" */ 505 } 506 etapes = fetapes; /* truncating assignment */ 507 etapes++; 508 /* count the dumped inodes map on each additional tape */ 509 tapesize += (etapes - 1) * 510 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 511 tapesize += etapes + 10; /* headers + 10 trailer blks */ 512 msg("estimated %ld tape blocks on %3.2f tape(s).\n", 513 tapesize, fetapes); 514 } 515 /* 516 * If the user only wants an estimate of the number of 517 * tapes, exit now. 518 */ 519 if (just_estimate) 520 exit(X_FINOK); 521 522 /* 523 * Allocate tape buffer. 524 */ 525 if (!alloctape()) 526 quit("can't allocate tape buffers - try a smaller blocking factor.\n"); 527 528 startnewtape(1); 529 (void)time((time_t *)&(tstart_writing)); 530 xferrate = 0; 531 dumpmap(usedinomap, TS_CLRI, maxino - 1); 532 533 msg("dumping (Pass III) [directories]\n"); 534 dirty = 0; /* XXX just to get gcc to shut up */ 535 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { 536 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ 537 dirty = *map++; 538 else 539 dirty >>= 1; 540 if ((dirty & 1) == 0) 541 continue; 542 /* 543 * Skip directory inodes deleted and maybe reallocated 544 */ 545 dp = getino(ino); 546 if ((dp->di_mode & IFMT) != IFDIR) 547 continue; 548 (void)dumpino(dp, ino); 549 } 550 551 msg("dumping (Pass IV) [regular files]\n"); 552 for (map = dumpinomap, ino = 1; ino < maxino; ino++) { 553 int mode; 554 555 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ 556 dirty = *map++; 557 else 558 dirty >>= 1; 559 if ((dirty & 1) == 0) 560 continue; 561 /* 562 * Skip inodes deleted and reallocated as directories. 563 */ 564 dp = getino(ino); 565 mode = dp->di_mode & IFMT; 566 if (mode == IFDIR) 567 continue; 568 (void)dumpino(dp, ino); 569 } 570 571 spcl.c_type = iswap32(TS_END); 572 for (i = 0; i < ntrec; i++) 573 writeheader(maxino - 1); 574 if (pipeout) 575 msg("%d tape blocks\n",iswap32(spcl.c_tapea)); 576 else 577 msg("%d tape blocks on %d volume%s\n", 578 iswap32(spcl.c_tapea), iswap32(spcl.c_volume), 579 (iswap32(spcl.c_volume) == 1) ? "" : "s"); 580 tnow = do_stats(); 581 date = iswap32(spcl.c_date); 582 msg("Date of this level %c dump: %s", level, 583 spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); 584 msg("Date this dump completed: %s", ctime(&tnow)); 585 msg("Average transfer rate: %d KB/s\n", xferrate / tapeno); 586 putdumptime(); 587 trewind(0); 588 broadcast("DUMP IS DONE!\a\a\n"); 589 msg("DUMP IS DONE\n"); 590 Exit(X_FINOK); 591 /* NOTREACHED */ 592 exit(X_FINOK); /* XXX: to satisfy gcc */ 593 } 594 595 static void 596 usage() 597 { 598 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 599 "usage: dump [-0123456789acnu] [-B records] [-b blocksize] [-d density]", 600 " [-f file] [-h level] [-k read block size] [-L label]", 601 " [-l timeout] [-r read cache size] [-s feet] [-T date] filesystem", 602 " dump [-W | -w]"); 603 exit(X_STARTUP); 604 } 605 606 /* 607 * Pick up a numeric argument. It must be nonnegative and in the given 608 * range (except that a vmax of 0 means unlimited). 609 */ 610 static long 611 numarg(meaning, vmin, vmax) 612 char *meaning; 613 long vmin, vmax; 614 { 615 char *p; 616 long val; 617 618 val = strtol(optarg, &p, 10); 619 if (*p) 620 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg); 621 if (val < vmin || (vmax && val > vmax)) 622 errx(X_STARTUP, "%s must be between %ld and %ld", 623 meaning, vmin, vmax); 624 return (val); 625 } 626 627 void 628 sig(signo) 629 int signo; 630 { 631 switch(signo) { 632 case SIGALRM: 633 case SIGBUS: 634 case SIGFPE: 635 case SIGHUP: 636 case SIGTERM: 637 case SIGTRAP: 638 if (pipeout) 639 quit("Signal on pipe: cannot recover\n"); 640 msg("Rewriting attempted as response to unknown signal.\n"); 641 (void)fflush(stderr); 642 (void)fflush(stdout); 643 close_rewind(); 644 exit(X_REWRITE); 645 /* NOTREACHED */ 646 case SIGSEGV: 647 msg("SIGSEGV: ABORTING!\n"); 648 (void)signal(SIGSEGV, SIG_DFL); 649 (void)kill(0, SIGSEGV); 650 /* NOTREACHED */ 651 } 652 } 653 654 char * 655 rawname(cp) 656 char *cp; 657 { 658 static char rawbuf[MAXPATHLEN]; 659 char *dp = strrchr(cp, '/'); 660 661 if (dp == NULL) 662 return (NULL); 663 *dp = '\0'; 664 (void)snprintf(rawbuf, sizeof rawbuf, "%s/r%s", cp, dp + 1); 665 *dp = '/'; 666 return (rawbuf); 667 } 668 669 /* 670 * obsolete -- 671 * Change set of key letters and ordered arguments into something 672 * getopt(3) will like. 673 */ 674 static void 675 obsolete(argcp, argvp) 676 int *argcp; 677 char **argvp[]; 678 { 679 int argc, flags; 680 char *ap, **argv, *flagsp, **nargv, *p; 681 682 /* Setup. */ 683 argv = *argvp; 684 argc = *argcp; 685 686 /* Return if no arguments or first argument has leading dash. */ 687 ap = argv[1]; 688 if (argc == 1 || *ap == '-') 689 return; 690 691 /* Allocate space for new arguments. */ 692 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || 693 (p = flagsp = malloc(strlen(ap) + 2)) == NULL) 694 err(1, "malloc"); 695 696 *nargv++ = *argv; 697 argv += 2; 698 699 for (flags = 0; *ap; ++ap) { 700 switch (*ap) { 701 case 'B': 702 case 'b': 703 case 'd': 704 case 'f': 705 case 'h': 706 case 's': 707 case 'T': 708 if (*argv == NULL) { 709 warnx("option requires an argument -- %c", *ap); 710 usage(); 711 } 712 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) 713 err(1, "malloc"); 714 nargv[0][0] = '-'; 715 nargv[0][1] = *ap; 716 (void)strcpy(&nargv[0][2], *argv); /* XXX safe strcpy */ 717 ++argv; 718 ++nargv; 719 break; 720 default: 721 if (!flags) { 722 *p++ = '-'; 723 flags = 1; 724 } 725 *p++ = *ap; 726 break; 727 } 728 } 729 730 /* Terminate flags. */ 731 if (flags) { 732 *p = '\0'; 733 *nargv++ = flagsp; 734 } 735 736 /* Copy remaining arguments. */ 737 while ((*nargv++ = *argv++) != NULL) 738 ; 739 740 /* Update argument count. */ 741 *argcp = nargv - *argvp - 1; 742 } 743
Indexes created Wed Oct 15 07:09:58 GMT 2025