1 /* $OpenBSD: pass1b.c,v 1.3 1997/06/14 04:16:55 downsj Exp $ */ 2 /* $NetBSD: pass1b.c,v 1.1 1997/06/11 11:21:53 bouyer 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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 41 #else 42 #if 0 43 static char rcsid[] = "$NetBSD: pass1b.c,v 1.1 1997/06/11 11:21:53 bouyer Exp $"; 44 #else 45 static char rcsid[] = "$OpenBSD: pass1b.c,v 1.3 1997/06/14 04:16:55 downsj Exp $"; 46 #endif 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <ufs/ext2fs/ext2fs_dinode.h> 53 #include <ufs/ext2fs/ext2fs.h> 54 55 #include <string.h> 56 #include "fsck.h" 57 #include "extern.h" 58 59 static int pass1bcheck __P((struct inodesc *)); 60 static struct dups *duphead; 61 62 void 63 pass1b() 64 { 65 register int c, i; 66 register struct ext2fs_dinode *dp; 67 struct inodesc idesc; 68 ino_t inumber; 69 70 memset(&idesc, 0, sizeof(struct inodesc)); 71 idesc.id_type = ADDR; 72 idesc.id_func = pass1bcheck; 73 duphead = duplist; 74 inumber = 0; 75 for (c = 0; c < sblock.e2fs_ncg; c++) { 76 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 77 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 78 continue; 79 dp = ginode(inumber); 80 if (dp == NULL) 81 continue; 82 idesc.id_number = inumber; 83 if (statemap[inumber] != USTATE && 84 (ckinode(dp, &idesc) & STOP)) 85 return; 86 } 87 } 88 } 89 90 static int 91 pass1bcheck(idesc) 92 register struct inodesc *idesc; 93 { 94 register struct dups *dlp; 95 int nfrags, res = KEEPON; 96 daddr_t blkno = idesc->id_blkno; 97 98 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 99 if (chkrange(blkno, 1)) 100 res = SKIP; 101 for (dlp = duphead; dlp; dlp = dlp->next) { 102 if (dlp->dup == blkno) { 103 blkerror(idesc->id_number, "DUP", blkno); 104 dlp->dup = duphead->dup; 105 duphead->dup = blkno; 106 duphead = duphead->next; 107 } 108 if (dlp == muldup) 109 break; 110 } 111 if (muldup == 0 || duphead == muldup->next) 112 return (STOP); 113 } 114 return (res); 115 } 116