Initial import of Manuel's fsck_ext2fs, unmodified.

1 files changed, 111 insertions, 0 deletions

diff --git a/sbin/fsck_ext2fs/pass1b.c b/sbin/fsck_ext2fs/pass1b.c
new file mode 100644
index 00000000000..e583ca0b2e2
--- /dev/null
+++ b/sbin/fsck_ext2fs/pass1b.c
@@ -0,0 +1,111 @@
+/*	$NetBSD: pass1b.c,v 1.10 1996/09/23 16:18:37 christos Exp $	*/
+
+/* Modified for EXT2FS on NetBSD by Manuel Bouyer, April 1997 */
+
+/*
+ * Copyright (c) 1980, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)pass1b.c	8.1 (Berkeley) 6/5/93";
+#else
+static char rcsid[] = "$NetBSD: pass1b.c,v 1.10 1996/09/23 16:18:37 christos Exp $";
+#endif
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <ufs/ext2fs/ext2fs_dinode.h>
+#include <ufs/ext2fs/ext2fs.h>
+
+#include <string.h>
+#include "fsck.h"
+#include "extern.h"
+
+static int	pass1bcheck __P((struct inodesc *));
+static  struct dups *duphead;
+
+void
+pass1b()
+{
+	register int c, i;
+	register struct ext2fs_dinode *dp;
+	struct inodesc idesc;
+	ino_t inumber;
+
+	memset(&idesc, 0, sizeof(struct inodesc));
+	idesc.id_type = ADDR;
+	idesc.id_func = pass1bcheck;
+	duphead = duplist;
+	inumber = 0;
+	for (c = 0; c < sblock.e2fs_ncg; c++) {
+		for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) {
+			if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO))
+				continue;
+			dp = ginode(inumber);
+			if (dp == NULL)
+				continue;
+			idesc.id_number = inumber;
+			if (statemap[inumber] != USTATE &&
+			    (ckinode(dp, &idesc) & STOP))
+				return;
+		}
+	}
+}
+
+static int
+pass1bcheck(idesc)
+	register struct inodesc *idesc;
+{
+	register struct dups *dlp;
+	int nfrags, res = KEEPON;
+	daddr_t blkno = idesc->id_blkno;
+
+	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
+		if (chkrange(blkno, 1))
+			res = SKIP;
+		for (dlp = duphead; dlp; dlp = dlp->next) {
+			if (dlp->dup == blkno) {
+				blkerror(idesc->id_number, "DUP", blkno);
+				dlp->dup = duphead->dup;
+				duphead->dup = blkno;
+				duphead = duphead->next;
+			}
+			if (dlp == muldup)
+				break;
+		}
+		if (muldup == 0 || duphead == muldup->next)
+			return (STOP);
+	}
+	return (res);
+}