1 /* $OpenBSD: pass1b.c,v 1.9 2015/01/16 06:39:57 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/time.h> 35 #include <ufs/ext2fs/ext2fs_dinode.h> 36 #include <ufs/ext2fs/ext2fs.h> 37 38 #include <string.h> 39 #include "fsck.h" 40 #include "extern.h" 41 42 static int pass1bcheck(struct inodesc *); 43 static struct dups *duphead; 44 45 void 46 pass1b(void) 47 { 48 int c, i; 49 struct ext2fs_dinode *dp; 50 struct inodesc idesc; 51 ino_t inumber; 52 53 memset(&idesc, 0, sizeof(struct inodesc)); 54 idesc.id_type = ADDR; 55 idesc.id_func = pass1bcheck; 56 duphead = duplist; 57 inumber = 0; 58 for (c = 0; c < sblock.e2fs_ncg; c++) { 59 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 60 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 61 continue; 62 dp = ginode(inumber); 63 if (dp == NULL) 64 continue; 65 idesc.id_number = inumber; 66 if (statemap[inumber] != USTATE && 67 (ckinode(dp, &idesc) & STOP)) 68 return; 69 } 70 } 71 } 72 73 static int 74 pass1bcheck(struct inodesc *idesc) 75 { 76 struct dups *dlp; 77 int nfrags, res = KEEPON; 78 daddr32_t blkno = idesc->id_blkno; 79 80 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 81 if (chkrange(blkno, 1)) 82 res = SKIP; 83 for (dlp = duphead; dlp; dlp = dlp->next) { 84 if (dlp->dup == blkno) { 85 blkerror(idesc->id_number, "DUP", blkno); 86 dlp->dup = duphead->dup; 87 duphead->dup = blkno; 88 duphead = duphead->next; 89 } 90 if (dlp == muldup) 91 break; 92 } 93 if (muldup == 0 || duphead == muldup->next) 94 return (STOP); 95 } 96 return (res); 97 } 98