[src/trunk]: src/sbin/fsck_lfs Enable lfs64 in fsck_lfs.

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f36edfc1cc87
branches:  trunk
changeset: 341031:f36edfc1cc87
user:      dholland <dholland%NetBSD.org@localhost>
date:      Thu Oct 15 06:24:55 2015 +0000

description:
Enable lfs64 in fsck_lfs.
(and in everything else that uses this code)

diffstat:

 sbin/fsck_lfs/lfs.c |  23 +++++++++++++++++++----
 1 files changed, 19 insertions(+), 4 deletions(-)

diffs (42 lines):

diff -r b76753c9f212 -r f36edfc1cc87 sbin/fsck_lfs/lfs.c
--- a/sbin/fsck_lfs/lfs.c       Thu Oct 15 06:24:46 2015 +0000
+++ b/sbin/fsck_lfs/lfs.c       Thu Oct 15 06:24:55 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs.c,v 1.68 2015/10/10 22:34:09 dholland Exp $ */
+/* $NetBSD: lfs.c,v 1.69 2015/10/15 06:24:55 dholland Exp $ */
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -437,14 +437,29 @@
        /* we can read the magic out of either the 32-bit or 64-bit dlfs */
        magic = fs->lfs_dlfs_u.u_32.dlfs_magic;
 
-       if (magic != LFS_MAGIC) {
+       switch (magic) {
+           case LFS_MAGIC:
+               fs->lfs_is64 = false;
+               fs->lfs_dobyteswap = false;
+               break;
+           case LFS_MAGIC_SWAPPED:
+               fs->lfs_is64 = false;
+               fs->lfs_dobyteswap = true;
+               break;
+           case LFS64_MAGIC:
+               fs->lfs_is64 = true;
+               fs->lfs_dobyteswap = false;
+               break;
+           case LFS64_MAGIC_SWAPPED:
+               fs->lfs_is64 = true;
+               fs->lfs_dobyteswap = true;
+               break;
+           default:
                printf("Superblock magic number (0x%lx) does not match "
                       "expected 0x%lx\n", (unsigned long) magic,
                       (unsigned long) LFS_MAGIC);
                return 1;
        }
-       fs->lfs_is64 = 0; /* XXX notyet */
-       fs->lfs_dobyteswap = 0; /* XXX notyet */
 
        /* checksum */
        checksum = lfs_sb_cksum(fs);