From 42b36ecdaa917f024b4b47b97cd5e68f33ebf142 Mon Sep 17 00:00:00 2001
From: Nestorfish <christophe.fish@gmail.com>
Date: Thu, 29 Sep 2016 21:11:58 +0200
Subject: [PATCH] Fix crash on unknown option

getopts requires the last element of longopts to be filled with zeros.
---
 mapper.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mapper.cpp b/mapper.cpp
index e842bd2..b638ba8 100644
--- a/mapper.cpp
+++ b/mapper.cpp
@@ -82,6 +82,7 @@ int main(int argc, char *argv[])
 		{"max-y", required_argument, 0, 'c'},
 		{"zoom", required_argument, 0, 'z'},
 		{"colors", required_argument, 0, 'C'},
+		{0, 0, 0, 0}
 	};
 
 	std::string input;