From 2900999944e4be210ba6f00c7ed7bf3d32baabf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Janiszewski?= <janisozaur@gmail.com>
Date: Mon, 18 Jul 2016 19:35:26 +0200
Subject: [PATCH] Validate gSavePromptMode

---
 src/windows/save_prompt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/windows/save_prompt.c b/src/windows/save_prompt.c
index ef88877004..60d0de0191 100644
--- a/src/windows/save_prompt.c
+++ b/src/windows/save_prompt.c
@@ -120,6 +120,10 @@ void window_save_prompt_open()
 	rct_widget *widgets;
 	uint64 enabled_widgets;
 
+	if (gSavePromptMode >= countof(window_save_prompt_labels)) {
+		log_warning("Invalid save prompt mode %u", gSavePromptMode);
+		return;
+	}
 	prompt_mode = gSavePromptMode;
 	if (prompt_mode == PM_QUIT)
 		prompt_mode = PM_SAVE_BEFORE_QUIT;