From 2aba4c335447d8613ce4a1eeb282de5805668d07 Mon Sep 17 00:00:00 2001
From: Darkvater <darkvater@openttd.org>
Date: Wed, 3 May 2006 21:34:07 +0000
Subject: [PATCH] (svn r4727) - Backport from trunk (r4688):   Fix: Ensure the
 map memory is cleared after it is allocated. This fixes   random deserts that
 sometimes occurred.

---
 map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/map.c b/map.c
index 81b23637f4..306ccb83b1 100644
--- a/map.c
+++ b/map.c
@@ -40,7 +40,7 @@ void AllocateMap(uint size_x, uint size_y)
 	_map_tile_mask = _map_size - 1;
 
 	free(_m);
-	_m = malloc(_map_size * sizeof(*_m));
+	_m = calloc(_map_size, sizeof(*_m));
 
 	// XXX TODO handle memory shortage more gracefully
 	if (_m == NULL) error("Failed to allocate memory for the map");