1 /* $OpenBSD: pass1b.c,v 1.8 2011/03/12 17:50:47 deraadt Exp $ */ 2 /* $NetBSD: pass1b.c,v 1.2 1997/09/14 14:27:26 lukem Exp $ */ 3 4 /* 5 * Copyright (c) 1997 Manuel Bouyer. 6 * Copyright (c) 1980, 1986, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/time.h> 36 #include <ufs/ext2fs/ext2fs_dinode.h> 37 #include <ufs/ext2fs/ext2fs.h> 38 39 #include <string.h> 40 #include "fsck.h" 41 #include "extern.h" 42 43 static int pass1bcheck(struct inodesc *); 44 static struct dups *duphead; 45 46 void 47 pass1b(void) 48 { 49 int c, i; 50 struct ext2fs_dinode *dp; 51 struct inodesc idesc; 52 ino_t inumber; 53 54 memset(&idesc, 0, sizeof(struct inodesc)); 55 idesc.id_type = ADDR; 56 idesc.id_func = pass1bcheck; 57 duphead = duplist; 58 inumber = 0; 59 for (c = 0; c < sblock.e2fs_ncg; c++) { 60 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 61 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 62 continue; 63 dp = ginode(inumber); 64 if (dp == NULL) 65 continue; 66 idesc.id_number = inumber; 67 if (statemap[inumber] != USTATE && 68 (ckinode(dp, &idesc) & STOP)) 69 return; 70 } 71 } 72 } 73 74 static int 75 pass1bcheck(struct inodesc *idesc) 76 { 77 struct dups *dlp; 78 int nfrags, res = KEEPON; 79 daddr32_t blkno = idesc->id_blkno; 80 81 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 82 if (chkrange(blkno, 1)) 83 res = SKIP; 84 for (dlp = duphead; dlp; dlp = dlp->next) { 85 if (dlp->dup == blkno) { 86 blkerror(idesc->id_number, "DUP", blkno); 87 dlp->dup = duphead->dup; 88 duphead->dup = blkno; 89 duphead = duphead->next; 90 } 91 if (dlp == muldup) 92 break; 93 } 94 if (muldup == 0 || duphead == muldup->next) 95 return (STOP); 96 } 97 return (res); 98 } 99