From 9a76b0a0089c6c75df069a64cdb49e668013199e Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Tue, 24 Mar 2015 13:29:55 +0300
Subject: [PATCH] liblmdb: fix warnings in lmdb-tools.

Change-Id: I1a1de4bcb9ce9b27f9278f74535e6e83de25bad0
---
 Makefile   | 2 +-
 mdb_copy.c | 2 +-
 mdb_stat.c | 4 ++++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index d84c8707..01e07f21 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@
 # read mdb.c before changing any of them.
 #
 CC	= gcc
-W	= -W -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized
+W	= -Wall -Werror -Wno-unused-parameter
 THREADS = -pthread
 XCFLAGS ?= $(CFLAGS)
 OPT	= -O2 -g
diff --git a/mdb_copy.c b/mdb_copy.c
index dea591f5..81271504 100644
--- a/mdb_copy.c
+++ b/mdb_copy.c
@@ -30,7 +30,7 @@ sighandle(int sig)
 int main(int argc,char * argv[])
 {
 	int rc;
-	MDB_env *env;
+	MDB_env *env = NULL;
 	const char *progname = argv[0], *act;
 	unsigned flags = MDB_RDONLY;
 	unsigned cpflags = 0;
diff --git a/mdb_stat.c b/mdb_stat.c
index f7be3d15..dbf3c8c3 100644
--- a/mdb_stat.c
+++ b/mdb_stat.c
@@ -134,6 +134,10 @@ int main(int argc, char *argv[])
 			mei.me_tail_txnid, mei.me_tail_txnid - mei.me_last_txnid);
 		printf("  Max readers: %u\n", mei.me_maxreaders);
 		printf("  Number of readers used: %u\n", mei.me_numreaders);
+	} else {
+		/* LY: zap warnings from gcc */
+		memset(&mst, 0, sizeof(mst));
+		memset(&mei, 0, sizeof(mei));
 	}
 
 	if (rdrinfo) {