From 1514233aaa1bb7498a7a49b9b2b8a75c2f169812 Mon Sep 17 00:00:00 2001
From: Chris Dombroski <cdombroski@icanttype.org>
Date: Thu, 29 Jan 2015 13:33:12 -0500
Subject: [PATCH] Add missing null checks to Units.cpp

---
 library/modules/Units.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/library/modules/Units.cpp b/library/modules/Units.cpp
index 2cdcb9587..6314d8090 100644
--- a/library/modules/Units.cpp
+++ b/library/modules/Units.cpp
@@ -1047,11 +1047,13 @@ bool Units::isTamable(df::unit* unit)
 
 bool Units::isMale(df::unit* unit)
 {
+    CHECK_NULL_POINTER(unit);
     return unit->sex == 1;
 }
 
 bool Units::isFemale(df::unit* unit)
 {
+    CHECK_NULL_POINTER(unit);
     return unit->sex == 0;
 }