1 /* $NetBSD: utilities.c,v 1.34 2002/09/28 20:11:06 dbj Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1986, 1993 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 #if 0 39 static char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 40 #else 41 __RCSID("$NetBSD: utilities.c,v 1.34 2002/09/28 20:11:06 dbj Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/time.h> 47 48 #include <ufs/ufs/dinode.h> 49 #include <ufs/ufs/dir.h> 50 #include <ufs/ffs/fs.h> 51 #include <ufs/ffs/ffs_extern.h> 52 #include <ufs/ufs/ufs_bswap.h> 53 54 #include <ctype.h> 55 #include <err.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 #include "fsutil.h" 62 #include "fsck.h" 63 #include "extern.h" 64 65 long diskreads, totalreads; /* Disk cache statistics */ 66 67 static void rwerror __P((char *, ufs_daddr_t)); 68 69 extern int returntosingle; 70 71 int 72 ftypeok(dp) 73 struct dinode *dp; 74 { 75 switch (iswap16(dp->di_mode) & IFMT) { 76 77 case IFDIR: 78 case IFREG: 79 case IFBLK: 80 case IFCHR: 81 case IFLNK: 82 case IFSOCK: 83 case IFIFO: 84 return (1); 85 86 default: 87 if (debug) 88 printf("bad file type 0%o\n", iswap16(dp->di_mode)); 89 return (0); 90 } 91 } 92 93 int 94 reply(question) 95 char *question; 96 { 97 int persevere; 98 char c; 99 100 if (preen) 101 pfatal("INTERNAL ERROR: GOT TO reply()"); 102 persevere = !strcmp(question, "CONTINUE"); 103 printf("\n"); 104 if (!persevere && (nflag || fswritefd < 0)) { 105 printf("%s? no\n\n", question); 106 resolved = 0; 107 return (0); 108 } 109 if (yflag || (persevere && nflag)) { 110 printf("%s? yes\n\n", question); 111 return (1); 112 } 113 do { 114 printf("%s? [yn] ", question); 115 (void) fflush(stdout); 116 c = getc(stdin); 117 while (c != '\n' && getc(stdin) != '\n') { 118 if (feof(stdin)) { 119 resolved = 0; 120 return (0); 121 } 122 } 123 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 124 printf("\n"); 125 if (c == 'y' || c == 'Y') 126 return (1); 127 resolved = 0; 128 return (0); 129 } 130 131 /* 132 * Malloc buffers and set up cache. 133 */ 134 void 135 bufinit() 136 { 137 struct bufarea *bp; 138 long bufcnt, i; 139 char *bufp; 140 141 pbp = pdirbp = (struct bufarea *)0; 142 bufp = malloc((unsigned int)sblock->fs_bsize); 143 if (bufp == 0) 144 errx(EEXIT, "cannot allocate buffer pool"); 145 cgblk.b_un.b_buf = bufp; 146 initbarea(&cgblk); 147 bufp = malloc((unsigned int)APPLEUFS_LABEL_SIZE); 148 if (bufp == 0) 149 errx(EEXIT, "cannot allocate buffer pool"); 150 appleufsblk.b_un.b_buf = bufp; 151 initbarea(&appleufsblk); 152 bufhead.b_next = bufhead.b_prev = &bufhead; 153 bufcnt = MAXBUFSPACE / sblock->fs_bsize; 154 if (bufcnt < MINBUFS) 155 bufcnt = MINBUFS; 156 for (i = 0; i < bufcnt; i++) { 157 bp = (struct bufarea *)malloc(sizeof(struct bufarea)); 158 bufp = malloc((unsigned int)sblock->fs_bsize); 159 if (bp == NULL || bufp == NULL) { 160 if (i >= MINBUFS) 161 break; 162 errx(EEXIT, "cannot allocate buffer pool"); 163 } 164 bp->b_un.b_buf = bufp; 165 bp->b_prev = &bufhead; 166 bp->b_next = bufhead.b_next; 167 bufhead.b_next->b_prev = bp; 168 bufhead.b_next = bp; 169 initbarea(bp); 170 } 171 bufhead.b_size = i; /* save number of buffers */ 172 } 173 174 /* 175 * Manage a cache of directory blocks. 176 */ 177 struct bufarea * 178 getdatablk(blkno, size) 179 ufs_daddr_t blkno; 180 long size; 181 { 182 struct bufarea *bp; 183 184 for (bp = bufhead.b_next; bp != &bufhead; bp = bp->b_next) 185 if (bp->b_bno == fsbtodb(sblock, blkno)) 186 goto foundit; 187 for (bp = bufhead.b_prev; bp != &bufhead; bp = bp->b_prev) 188 if ((bp->b_flags & B_INUSE) == 0) 189 break; 190 if (bp == &bufhead) 191 errx(EEXIT, "deadlocked buffer pool"); 192 getblk(bp, blkno, size); 193 /* fall through */ 194 foundit: 195 totalreads++; 196 bp->b_prev->b_next = bp->b_next; 197 bp->b_next->b_prev = bp->b_prev; 198 bp->b_prev = &bufhead; 199 bp->b_next = bufhead.b_next; 200 bufhead.b_next->b_prev = bp; 201 bufhead.b_next = bp; 202 bp->b_flags |= B_INUSE; 203 return (bp); 204 } 205 206 void 207 getblk(bp, blk, size) 208 struct bufarea *bp; 209 ufs_daddr_t blk; 210 long size; 211 { 212 ufs_daddr_t dblk; 213 214 dblk = fsbtodb(sblock, blk); 215 if (bp->b_bno != dblk) { 216 flush(fswritefd, bp); 217 diskreads++; 218 bp->b_errs = bread(fsreadfd, bp->b_un.b_buf, dblk, size); 219 bp->b_bno = dblk; 220 bp->b_size = size; 221 } 222 } 223 224 void 225 flush(fd, bp) 226 int fd; 227 struct bufarea *bp; 228 { 229 int i, j; 230 struct csum *ccsp; 231 232 if (!bp->b_dirty) 233 return; 234 if (bp->b_errs != 0) 235 pfatal("WRITING %sZERO'ED BLOCK %d TO DISK\n", 236 (bp->b_errs == bp->b_size / dev_bsize) ? "" : "PARTIALLY ", 237 bp->b_bno); 238 bp->b_dirty = 0; 239 bp->b_errs = 0; 240 bwrite(fd, bp->b_un.b_buf, bp->b_bno, (long)bp->b_size); 241 if (bp != &sblk) 242 return; 243 for (i = 0, j = 0; i < sblock->fs_cssize; i += sblock->fs_bsize, j++) { 244 int size = sblock->fs_cssize - i < sblock->fs_bsize ? 245 sblock->fs_cssize - i : sblock->fs_bsize; 246 ccsp = (struct csum *)((char *)sblock->fs_csp + i); 247 if (needswap) 248 ffs_csum_swap(ccsp, ccsp, size); 249 bwrite(fswritefd, (char *)ccsp, 250 fsbtodb(sblock, sblock->fs_csaddr + j * sblock->fs_frag), 251 size); 252 if (needswap) 253 ffs_csum_swap(ccsp, ccsp, size); 254 } 255 } 256 257 static void 258 rwerror(mesg, blk) 259 char *mesg; 260 ufs_daddr_t blk; 261 { 262 263 if (preen == 0) 264 printf("\n"); 265 pfatal("CANNOT %s: BLK %d", mesg, blk); 266 if (reply("CONTINUE") == 0) 267 exit(EEXIT); 268 } 269 270 void 271 ckfini() 272 { 273 struct bufarea *bp, *nbp; 274 int ofsmodified, cnt = 0; 275 276 if (fswritefd < 0) { 277 (void)close(fsreadfd); 278 return; 279 } 280 flush(fswritefd, &sblk); 281 if (havesb && sblk.b_bno != SBOFF / dev_bsize && 282 !preen && reply("UPDATE STANDARD SUPERBLOCK")) { 283 sblk.b_bno = SBOFF / dev_bsize; 284 sbdirty(); 285 flush(fswritefd, &sblk); 286 } 287 flush(fswritefd, &appleufsblk); 288 free(appleufsblk.b_un.b_buf); 289 flush(fswritefd, &cgblk); 290 free(cgblk.b_un.b_buf); 291 for (bp = bufhead.b_prev; bp && bp != &bufhead; bp = nbp) { 292 cnt++; 293 flush(fswritefd, bp); 294 nbp = bp->b_prev; 295 free(bp->b_un.b_buf); 296 free((char *)bp); 297 } 298 if (bufhead.b_size != cnt) 299 errx(EEXIT, "Panic: lost %d buffers", bufhead.b_size - cnt); 300 pbp = pdirbp = (struct bufarea *)0; 301 if (markclean && (sblock->fs_clean & FS_ISCLEAN) == 0) { 302 /* 303 * Mark the file system as clean, and sync the superblock. 304 */ 305 if (preen) 306 pwarn("MARKING FILE SYSTEM CLEAN\n"); 307 else if (!reply("MARK FILE SYSTEM CLEAN")) 308 markclean = 0; 309 if (markclean) { 310 sblock->fs_clean = FS_ISCLEAN; 311 sbdirty(); 312 ofsmodified = fsmodified; 313 flush(fswritefd, &sblk); 314 #if LITE2BORKEN 315 fsmodified = ofsmodified; 316 #endif 317 if (!preen) 318 printf( 319 "\n***** FILE SYSTEM MARKED CLEAN *****\n"); 320 } 321 } 322 if (debug) 323 printf("cache missed %ld of %ld (%d%%)\n", diskreads, 324 totalreads, (int)(diskreads * 100 / totalreads)); 325 (void)close(fsreadfd); 326 (void)close(fswritefd); 327 } 328 329 int 330 bread(fd, buf, blk, size) 331 int fd; 332 char *buf; 333 ufs_daddr_t blk; 334 long size; 335 { 336 char *cp; 337 int i, errs; 338 off_t offset; 339 340 offset = blk; 341 offset *= dev_bsize; 342 if (lseek(fd, offset, 0) < 0) 343 rwerror("SEEK", blk); 344 else if (read(fd, buf, (int)size) == size) 345 return (0); 346 rwerror("READ", blk); 347 if (lseek(fd, offset, 0) < 0) 348 rwerror("SEEK", blk); 349 errs = 0; 350 memset(buf, 0, (size_t)size); 351 printf("THE FOLLOWING DISK SECTORS COULD NOT BE READ:"); 352 for (cp = buf, i = 0; i < size; i += secsize, cp += secsize) { 353 if (read(fd, cp, (int)secsize) != secsize) { 354 (void)lseek(fd, offset + i + secsize, 0); 355 if (secsize != dev_bsize && dev_bsize != 1) 356 printf(" %ld (%ld),", 357 (blk * dev_bsize + i) / secsize, 358 blk + i / dev_bsize); 359 else 360 printf(" %ld,", blk + i / dev_bsize); 361 errs++; 362 } 363 } 364 printf("\n"); 365 return (errs); 366 } 367 368 void 369 bwrite(fd, buf, blk, size) 370 int fd; 371 char *buf; 372 ufs_daddr_t blk; 373 long size; 374 { 375 int i; 376 char *cp; 377 off_t offset; 378 379 if (fd < 0) 380 return; 381 offset = blk; 382 offset *= dev_bsize; 383 if (lseek(fd, offset, 0) < 0) 384 rwerror("SEEK", blk); 385 else if (write(fd, buf, (int)size) == size) { 386 fsmodified = 1; 387 return; 388 } 389 rwerror("WRITE", blk); 390 if (lseek(fd, offset, 0) < 0) 391 rwerror("SEEK", blk); 392 printf("THE FOLLOWING SECTORS COULD NOT BE WRITTEN:"); 393 for (cp = buf, i = 0; i < size; i += dev_bsize, cp += dev_bsize) 394 if (write(fd, cp, (int)dev_bsize) != dev_bsize) { 395 (void)lseek(fd, offset + i + dev_bsize, 0); 396 printf(" %ld,", blk + i / dev_bsize); 397 } 398 printf("\n"); 399 return; 400 } 401 402 /* 403 * allocate a data block with the specified number of fragments 404 */ 405 ufs_daddr_t 406 allocblk(frags) 407 long frags; 408 { 409 int i, j, k, cg, baseblk; 410 struct cg *cgp = cgrp; 411 412 if (frags <= 0 || frags > sblock->fs_frag) 413 return (0); 414 for (i = 0; i < maxfsblock - sblock->fs_frag; i += sblock->fs_frag) { 415 for (j = 0; j <= sblock->fs_frag - frags; j++) { 416 if (testbmap(i + j)) 417 continue; 418 for (k = 1; k < frags; k++) 419 if (testbmap(i + j + k)) 420 break; 421 if (k < frags) { 422 j += k; 423 continue; 424 } 425 cg = dtog(sblock, i + j); 426 getblk(&cgblk, cgtod(sblock, cg), sblock->fs_cgsize); 427 memcpy(cgp, cgblk.b_un.b_cg, sblock->fs_cgsize); 428 if ((doswap && !needswap) || (!doswap && needswap)) 429 swap_cg(cgblk.b_un.b_cg, cgp); 430 if (!cg_chkmagic(cgp, 0)) 431 pfatal("CG %d: ALLOCBLK: BAD MAGIC NUMBER\n", 432 cg); 433 baseblk = dtogd(sblock, i + j); 434 for (k = 0; k < frags; k++) { 435 setbmap(i + j + k); 436 clrbit(cg_blksfree(cgp, 0), baseblk + k); 437 } 438 n_blks += frags; 439 if (frags == sblock->fs_frag) 440 cgp->cg_cs.cs_nbfree--; 441 else 442 cgp->cg_cs.cs_nffree -= frags; 443 cgdirty(); 444 return (i + j); 445 } 446 } 447 return (0); 448 } 449 450 /* 451 * Free a previously allocated block 452 */ 453 void 454 freeblk(blkno, frags) 455 ufs_daddr_t blkno; 456 long frags; 457 { 458 struct inodesc idesc; 459 460 idesc.id_blkno = blkno; 461 idesc.id_numfrags = frags; 462 (void)pass4check(&idesc); 463 } 464 465 /* 466 * Find a pathname 467 */ 468 void 469 getpathname(namebuf, curdir, ino) 470 char *namebuf; 471 ino_t curdir, ino; 472 { 473 int len; 474 char *cp; 475 struct inodesc idesc; 476 static int busy = 0; 477 478 if (curdir == ino && ino == ROOTINO) { 479 (void)strcpy(namebuf, "/"); 480 return; 481 } 482 if (busy || 483 (statemap[curdir] != DSTATE && statemap[curdir] != DFOUND)) { 484 (void)strcpy(namebuf, "?"); 485 return; 486 } 487 busy = 1; 488 memset(&idesc, 0, sizeof(struct inodesc)); 489 idesc.id_type = DATA; 490 idesc.id_fix = IGNORE; 491 cp = &namebuf[MAXPATHLEN - 1]; 492 *cp = '\0'; 493 if (curdir != ino) { 494 idesc.id_parent = curdir; 495 goto namelookup; 496 } 497 while (ino != ROOTINO) { 498 idesc.id_number = ino; 499 idesc.id_func = findino; 500 idesc.id_name = ".."; 501 if ((ckinode(ginode(ino), &idesc) & FOUND) == 0) 502 break; 503 namelookup: 504 idesc.id_number = idesc.id_parent; 505 idesc.id_parent = ino; 506 idesc.id_func = findname; 507 idesc.id_name = namebuf; 508 if ((ckinode(ginode(idesc.id_number), &idesc)&FOUND) == 0) 509 break; 510 len = strlen(namebuf); 511 cp -= len; 512 memmove(cp, namebuf, (size_t)len); 513 *--cp = '/'; 514 if (cp < &namebuf[MAXNAMLEN]) 515 break; 516 ino = idesc.id_number; 517 } 518 busy = 0; 519 if (ino != ROOTINO) 520 *--cp = '?'; 521 memmove(namebuf, cp, (size_t)(&namebuf[MAXPATHLEN] - cp)); 522 } 523 524 void 525 catch(sig) 526 int sig; 527 { 528 if (!doinglevel2) { 529 markclean = 0; 530 ckfini(); 531 } 532 exit(12); 533 } 534 535 /* 536 * When preening, allow a single quit to signal 537 * a special exit after filesystem checks complete 538 * so that reboot sequence may be interrupted. 539 */ 540 void 541 catchquit(sig) 542 int sig; 543 { 544 printf("returning to single-user after file system check\n"); 545 returntosingle = 1; 546 (void)signal(SIGQUIT, SIG_DFL); 547 } 548 549 /* 550 * Ignore a single quit signal; wait and flush just in case. 551 * Used by child processes in preen. 552 */ 553 void 554 voidquit(sig) 555 int sig; 556 { 557 558 sleep(1); 559 (void)signal(SIGQUIT, SIG_IGN); 560 (void)signal(SIGQUIT, SIG_DFL); 561 } 562 563 /* 564 * determine whether an inode should be fixed. 565 */ 566 int 567 dofix(idesc, msg) 568 struct inodesc *idesc; 569 char *msg; 570 { 571 572 switch (idesc->id_fix) { 573 574 case DONTKNOW: 575 if (idesc->id_type == DATA) 576 direrror(idesc->id_number, msg); 577 else 578 pwarn("%s", msg); 579 if (preen) { 580 printf(" (SALVAGED)\n"); 581 idesc->id_fix = FIX; 582 return (ALTERED); 583 } 584 if (reply("SALVAGE") == 0) { 585 idesc->id_fix = NOFIX; 586 return (0); 587 } 588 idesc->id_fix = FIX; 589 return (ALTERED); 590 591 case FIX: 592 return (ALTERED); 593 594 case NOFIX: 595 case IGNORE: 596 return (0); 597 598 default: 599 errx(EEXIT, "UNKNOWN INODESC FIX MODE %d", idesc->id_fix); 600 } 601 /* NOTREACHED */ 602 return (0); 603 } 604 605 void 606 copyback_cg(blk) 607 struct bufarea *blk; 608 { 609 610 memcpy(blk->b_un.b_cg, cgrp, sblock->fs_cgsize); 611 if (needswap) 612 swap_cg(cgrp, blk->b_un.b_cg); 613 } 614 615 void 616 swap_cg(o, n) 617 struct cg *o, *n; 618 { 619 int i; 620 u_int32_t *n32, *o32; 621 u_int16_t *n16, *o16; 622 623 n->cg_firstfield = bswap32(o->cg_firstfield); 624 n->cg_magic = bswap32(o->cg_magic); 625 n->cg_time = bswap32(o->cg_time); 626 n->cg_cgx = bswap32(o->cg_cgx); 627 n->cg_ncyl = bswap16(o->cg_ncyl); 628 n->cg_niblk = bswap16(o->cg_niblk); 629 n->cg_ndblk = bswap32(o->cg_ndblk); 630 n->cg_cs.cs_ndir = bswap32(o->cg_cs.cs_ndir); 631 n->cg_cs.cs_nbfree = bswap32(o->cg_cs.cs_nbfree); 632 n->cg_cs.cs_nifree = bswap32(o->cg_cs.cs_nifree); 633 n->cg_cs.cs_nffree = bswap32(o->cg_cs.cs_nffree); 634 n->cg_rotor = bswap32(o->cg_rotor); 635 n->cg_frotor = bswap32(o->cg_frotor); 636 n->cg_irotor = bswap32(o->cg_irotor); 637 n->cg_btotoff = bswap32(o->cg_btotoff); 638 n->cg_boff = bswap32(o->cg_boff); 639 n->cg_iusedoff = bswap32(o->cg_iusedoff); 640 n->cg_freeoff = bswap32(o->cg_freeoff); 641 n->cg_nextfreeoff = bswap32(o->cg_nextfreeoff); 642 n->cg_clustersumoff = bswap32(o->cg_clustersumoff); 643 n->cg_clusteroff = bswap32(o->cg_clusteroff); 644 n->cg_nclusterblks = bswap32(o->cg_nclusterblks); 645 for (i=0; i < MAXFRAG; i++) 646 n->cg_frsum[i] = bswap32(o->cg_frsum[i]); 647 648 if (sblock->fs_postblformat == FS_42POSTBLFMT) { /* old format */ 649 struct ocg *on, *oo; 650 int j; 651 on = (struct ocg *)n; 652 oo = (struct ocg *)o; 653 for(i = 0; i < 8; i++) { 654 on->cg_frsum[i] = bswap32(oo->cg_frsum[i]); 655 } 656 for(i = 0; i < 32; i++) { 657 on->cg_btot[i] = bswap32(oo->cg_btot[i]); 658 for (j = 0; j < 8; j++) 659 on->cg_b[i][j] = bswap16(oo->cg_b[i][j]); 660 } 661 memmove(on->cg_iused, oo->cg_iused, 256); 662 on->cg_magic = bswap32(oo->cg_magic); 663 } else { /* new format */ 664 if (n->cg_magic == CG_MAGIC) { 665 n32 = (u_int32_t*)((u_int8_t*)n + n->cg_btotoff); 666 o32 = (u_int32_t*)((u_int8_t*)o + n->cg_btotoff); 667 n16 = (u_int16_t*)((u_int8_t*)n + n->cg_boff); 668 o16 = (u_int16_t*)((u_int8_t*)o + n->cg_boff); 669 } else { 670 n32 = (u_int32_t*)((u_int8_t*)n + o->cg_btotoff); 671 o32 = (u_int32_t*)((u_int8_t*)o + o->cg_btotoff); 672 n16 = (u_int16_t*)((u_int8_t*)n + o->cg_boff); 673 o16 = (u_int16_t*)((u_int8_t*)o + o->cg_boff); 674 } 675 for (i=0; i < sblock->fs_cpg; i++) 676 n32[i] = bswap32(o32[i]); 677 678 for (i=0; i < sblock->fs_cpg * sblock->fs_nrpos; i++) 679 n16[i] = bswap16(o16[i]); 680 681 if (n->cg_magic == CG_MAGIC) { 682 n32 = (u_int32_t*)((u_int8_t*)n + n->cg_clustersumoff); 683 o32 = (u_int32_t*)((u_int8_t*)o + n->cg_clustersumoff); 684 } else { 685 n32 = (u_int32_t*)((u_int8_t*)n + o->cg_clustersumoff); 686 o32 = (u_int32_t*)((u_int8_t*)o + o->cg_clustersumoff); 687 } 688 for (i = 1; i < sblock->fs_contigsumsize + 1; i++) 689 n32[i] = bswap32(o32[i]); 690 } 691 } 692 693 void 694 infohandler(int sig) 695 { 696 got_siginfo = 1; 697 } 698 699