From 493bb6245742fe98c6feb1bbe0bb27abe037ec0b Mon Sep 17 00:00:00 2001
From: Richard Jenkins <rwj@serenity.uk.net>
Date: Mon, 22 May 2017 13:14:00 +0100
Subject: [PATCH] Guard against null pointer in macos_str_decomp_to_precomp()

---
 src/openrct2/platform/macos.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/openrct2/platform/macos.m b/src/openrct2/platform/macos.m
index 07a5049d06..97c1e74a7e 100644
--- a/src/openrct2/platform/macos.m
+++ b/src/openrct2/platform/macos.m
@@ -137,6 +137,10 @@ utf8* macos_str_decomp_to_precomp(utf8 *input)
 {
 	@autoreleasepool
 	{
+		if (input == NULL) {
+			return NULL;
+		}
+
 		NSString *inputDecomp = [NSString stringWithUTF8String:input];
 		return strdup([inputDecomp.precomposedStringWithCanonicalMapping cStringUsingEncoding:NSUTF8StringEncoding]);
 	}