From b115a946684a0781652e128ab36fd65896963a20 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Fri, 12 Mar 2021 21:12:54 +0100
Subject: [PATCH] Added a sanity check to the --resolution flag to keep the
 values within reason.

---
 es-app/src/main.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/es-app/src/main.cpp b/es-app/src/main.cpp
index 2f25b1c20..cae13a622 100644
--- a/es-app/src/main.cpp
+++ b/es-app/src/main.cpp
@@ -183,6 +183,12 @@ bool parseArgs(int argc, char* argv[])
             }
             int width = atoi(argv[i + 1]);
             int height = atoi(argv[i + 2]);
+            if (width < 640 || height < 480 || width > 7680 || height > 4320 ||
+                    height < width / 4 || width < height / 2) {
+                std::cerr << "Error: Unsupported resolution "
+                        << width << "x" << height << " supplied.\n";
+                return false;
+            }
             Settings::getInstance()->setInt("WindowWidth", width);
             Settings::getInstance()->setInt("WindowHeight", height);
             i += 2;