From 435a104f6e5f93b3c2465a63508af21efade891f Mon Sep 17 00:00:00 2001
From: Tom Deakin <tom.deakin@bristol.ac.uk>
Date: Tue, 12 Jan 2021 15:30:41 +0000
Subject: [PATCH] Check input array size is positive

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index 23a4699..fd64546 100644
--- a/main.cpp
+++ b/main.cpp
@@ -545,7 +545,7 @@ void parseArguments(int argc, char *argv[])
     else if (!std::string("--arraysize").compare(argv[i]) ||
              !std::string("-s").compare(argv[i]))
     {
-      if (++i >= argc || !parseInt(argv[i], &ARRAY_SIZE))
+      if (++i >= argc || !parseInt(argv[i], &ARRAY_SIZE) || ARRAY_SIZE <= 0)
       {
         std::cerr << "Invalid array size." << std::endl;
         exit(EXIT_FAILURE);