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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-05-21 00:18:20 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-05-21 00:18:20 +0200
commit58ced38ac46976c1b0dfa91c513c8ccd170b4e26 (patch)
tree6a4d206050b8ddb2831f335de0e1bb96f8bae554 /mkfs
parenta2f477d76f8961f250b93f9aee91a5abf2e7c296 (diff)
fix: inode number difference in dirent is actually signed
For now, it is enough to reduce the comparison value, since the inode numbers are increasing. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'mkfs')
-rw-r--r--mkfs/meta.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mkfs/meta.c b/mkfs/meta.c
index a0ea071..4ef570d 100644
--- a/mkfs/meta.c
+++ b/mkfs/meta.c
@@ -97,7 +97,9 @@ static int write_dir(meta_writer_t *dm, dir_info_t *dir, dir_index_t **index)
for (d = c; d != NULL; d = d->next) {
if ((d->inode_ref >> 16) != (c->inode_ref >> 16))
break;
- if ((d->inode_num - c->inode_num) > 0xFFFF)
+
+ /* XXX: difference is actually signed */
+ if ((d->inode_num - c->inode_num) > 0x7FFF)
break;
size += sizeof(ent) + strlen(c->name);