From 894a77abdfd60bc610d72a6b7451cfefbf6e1b2e Mon Sep 17 00:00:00 2001
From: Igor Canadi <icanadi@fb.com>
Date: Thu, 7 Aug 2014 15:06:52 -0700
Subject: [PATCH] Fix leak in c_test

---
 db/c_test.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/db/c_test.c b/db/c_test.c
index c7e342fb35..a6ba6fb139 100644
--- a/db/c_test.c
+++ b/db/c_test.c
@@ -262,7 +262,9 @@ static void CompactionFilterV2Filter(
 }
 
 // Custom compaction filter factory V2.
-static void CompactionFilterFactoryV2Destroy(void* arg) { }
+static void CompactionFilterFactoryV2Destroy(void* arg) {
+  rocksdb_slicetransform_destroy((rocksdb_slicetransform_t*)arg);
+}
 static const char* CompactionFilterFactoryV2Name(void* arg) {
   return "TestCompactionFilterFactoryV2";
 }
@@ -585,7 +587,7 @@ int main(int argc, char** argv) {
     rocksdb_slicetransform_t* prefix_extractor;
     prefix_extractor = rocksdb_slicetransform_create_fixed_prefix(3);
     factory = rocksdb_compactionfilterfactoryv2_create(
-        NULL, prefix_extractor, CompactionFilterFactoryV2Destroy,
+        prefix_extractor, prefix_extractor, CompactionFilterFactoryV2Destroy,
         CompactionFilterFactoryV2Create, CompactionFilterFactoryV2Name);
     // Create new database
     rocksdb_close(db);