test: Initialize possibly uninitialized buffer

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>

diff --git a/src/test/librados/io.cc b/src/test/librados/io.cc
index a69bcbb6f4960005773c7fb38bd3496af54432df..d3d25aa4794d495b46db98f6e3d38fc2d823de1d 100644 (file)
--- a/src/test/librados/io.cc
+++ b/src/test/librados/io.cc
@@ -27,7 +27,7 @@ TEST_F(LibRadosIo, SimpleWrite) {
 }
 
 TEST_F(LibRadosIo, TooBig) {
-  char buf[1];
+  char buf[1] = { 0 };
   ASSERT_EQ(-E2BIG, rados_write(ioctx, "A", buf, UINT_MAX, 0));
   ASSERT_EQ(-E2BIG, rados_append(ioctx, "A", buf, UINT_MAX));
   ASSERT_EQ(-E2BIG, rados_write_full(ioctx, "A", buf, UINT_MAX));