From 6cd8facf493b1ddc493d3a1d59da2b8a9f3a1da4 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Thu, 14 Jan 2016 12:30:59 -0500
Subject: [PATCH] Memset filename to zero first

---
 CLTool/src/compare.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CLTool/src/compare.cpp b/CLTool/src/compare.cpp
index 555364c..f5d9670 100644
--- a/CLTool/src/compare.cpp
+++ b/CLTool/src/compare.cpp
@@ -127,6 +127,7 @@ int main(int argc, char **argv) {
     FasTC::Image<> diff = img1.Diff(&img2, diff_multiplier);
 
     char fname_buf [5 + 16 + 4 + 1]; // "diff-" + hash + ".png" + null
+    memset(fname_buf, 0, sizeof(fname_buf));
     strncat(fname_buf, "diff-", 5);
     gen_random(fname_buf + 5, 16);
     strncat(fname_buf + 5 + 16, ".png", 4);