From 2150d16e776ade7f2ed1c8279a5b3ec78118f774 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Tue, 3 Apr 2012 12:24:27 -0700
Subject: [PATCH] ITS#7219 fix for odd-aligned keys in mdb_update_key()
---
libraries/libmdb/mdb.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index 7129d0a1bc..6952d884e3 100644
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -5054,11 +5054,11 @@ mdb_cursor_dbi(MDB_cursor *mc)
static int
mdb_update_key(MDB_page *mp, indx_t indx, MDB_val *key)
{
- indx_t ptr, i, numkeys;
- int delta;
- size_t len;
MDB_node *node;
char *base;
+ size_t len;
+ int delta;
+ indx_t ptr, i, numkeys;
DKBUF;
node = NODEPTR(mp, indx);
@@ -5078,6 +5078,7 @@ mdb_update_key(MDB_page *mp, indx_t indx, MDB_val *key)
#endif
delta = key->mv_size - node->mn_ksize;
+ delta += (delta & 1);
if (delta) {
if (delta > 0 && SIZELEFT(mp) < delta) {
DPRINTF("OUCH! Not enough room, delta = %d", delta);
--
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