From f5f59b3750039fbc772e3c4fb44457f418260ac4 Mon Sep 17 00:00:00 2001
From: John Shahid <jvshahid@gmail.com>
Date: Tue, 1 Apr 2014 11:31:42 -0400
Subject: [PATCH] add a func to get the version of the loaded leveldb

---
 README.md       |  2 +-
 leveldb_test.go |  4 ++++
 version.go      | 15 +++++++++++++++
 3 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 version.go

diff --git a/README.md b/README.md
index bb66825..3ea196b 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ You'll need the shared library build of
 [LevelDB](http://code.google.com/p/leveldb/) installed on your machine. The
 current LevelDB will build it by default.
 
-The minimum version of LevelDB required is currently 1.6. If you require the
+The minimum version of LevelDB required is currently 1.7. If you require the
 use of an older version of LevelDB, see the [fork of levigo for LevelDB
 1.4](https://github.com/jmhodges/levigo_leveldb_1.4). Prefer putting in the
 work to be up to date as LevelDB moves very quickly.
diff --git a/leveldb_test.go b/leveldb_test.go
index 523a5c5..0d6930b 100644
--- a/leveldb_test.go
+++ b/leveldb_test.go
@@ -16,6 +16,10 @@ func init() {
 
 // This testcase is a port of leveldb's c_test.c.
 func TestC(t *testing.T) {
+	if GetLevelDBMajorVersion() <= 0 {
+		t.Errorf("Major version cannot be less than zero")
+	}
+
 	dbname := tempDir(t)
 	defer deleteDBDirectory(t, dbname)
 	env := NewDefaultEnv()
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..cda7b69
--- /dev/null
+++ b/version.go
@@ -0,0 +1,15 @@
+package levigo
+
+/*
+#cgo LDFLAGS: -lleveldb
+#include "leveldb/c.h"
+*/
+import "C"
+
+func GetLevelDBMajorVersion() int {
+	return int(C.leveldb_major_version())
+}
+
+func GetLevelDBMinorVersion() int {
+	return int(C.leveldb_minor_version())
+}