From b9976d5426c1b55b0104908b69707d0f4300fb11 Mon Sep 17 00:00:00 2001
From: "sspitzer%mozilla.org" <sspitzer%mozilla.org>
Date: Tue, 28 Aug 2007 04:43:10 +0000
Subject: [PATCH] fix for bug #393952:  crash when I try to VACUUM
 (StorageUnicodeFunctions::likeFunction() should handle null aArgv[0] and
 aArgv[1])

r=sdwilsh
---
 storage/src/mozStorageUnicodeFunctions.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/storage/src/mozStorageUnicodeFunctions.cpp b/storage/src/mozStorageUnicodeFunctions.cpp
index d6dd55a042d..bfc172b2c47 100644
--- a/storage/src/mozStorageUnicodeFunctions.cpp
+++ b/storage/src/mozStorageUnicodeFunctions.cpp
@@ -188,6 +188,9 @@ StorageUnicodeFunctions::likeFunction(sqlite3_context *p,
     return;
   }
 
+  if (!sqlite3_value_text16(aArgv[0]) || !sqlite3_value_text16(aArgv[1]))
+    return;
+
   nsDependentString A(static_cast<const PRUnichar *>(sqlite3_value_text16(aArgv[1])));
   nsDependentString B(static_cast<const PRUnichar *>(sqlite3_value_text16(aArgv[0])));
   NS_ASSERTION(!B.IsEmpty(), "LIKE string must not be null!");