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authorSergey Poznyakoff <gray@gnu.org>2018-08-19 09:50:22 +0300
committerSergey Poznyakoff <gray@gnu.org>2018-08-19 09:56:14 +0300
commit64ef7e827406f91d31bffdcad9f4b8aaad1f874c (patch)
tree8eb3da77ef771507f07b68172e7af8cd3d8bd36c
parent4e23fa7b90b56408d480ba8c7556b190757ea2c7 (diff)
downloadgdbm-64ef7e827406f91d31bffdcad9f4b8aaad1f874c.tar.gz
gdbm-64ef7e827406f91d31bffdcad9f4b8aaad1f874c.tar.bz2
Fix directory entry validation.
Bug reported by Miroslav Lichvar and Marek Skalický * src/bucket.c (gdbm_dir_entry_valid_p): Fix lower limit for the allowed bucket address. Initial allocation of second block for the directory can be eventually returned to the available list when the directory is expanded during bucket splitting.
-rw-r--r--src/bucket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bucket.c b/src/bucket.c
index 0597965..3d267e2 100644
--- a/src/bucket.c
+++ b/src/bucket.c
@@ -55,5 +55,5 @@ gdbm_dir_entry_valid_p (GDBM_FILE dbf, int dir_index)
return dir_index >= 0
&& dir_index < GDBM_DIR_COUNT (dbf)
- && dbf->dir[dir_index] >= 2*dbf->header->block_size;
+ && dbf->dir[dir_index] >= dbf->header->block_size;
}

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