summaryrefslogtreecommitdiff
path: root/clear_cmd.c
diff options
context:
space:
mode:
authortron <tron@openttd.org>2006-01-30 17:18:45 +0000
committertron <tron@openttd.org>2006-01-30 17:18:45 +0000
commit5e1e90260016fc5ad7a62a824922f9766158bbf8 (patch)
treea71bfa3b7016eec2f35802faea7d5bb51c9b0130 /clear_cmd.c
parentc8dd64bdbc162753f55b06ad395c84d15bff6998 (diff)
downloadopenttd-5e1e90260016fc5ad7a62a824922f9766158bbf8.tar.xz
(svn r3490) -Fix: A bunch (10) of off-by-one errors when checking if a TileIndex points to a tile on the map
Diffstat (limited to 'clear_cmd.c')
-rw-r--r--clear_cmd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/clear_cmd.c b/clear_cmd.c
index 0f7e36577..52dd174f7 100644
--- a/clear_cmd.c
+++ b/clear_cmd.c
@@ -233,7 +233,7 @@ int32 CmdTerraformLand(int x, int y, uint32 flags, uint32 p1, uint32 p2)
tile = TileVirtXY(x, y);
/* Make an extra check for map-bounds cause we add tiles to the originating tile */
- if (tile + TileDiffXY(1, 1) > MapSize()) return CMD_ERROR;
+ if (tile + TileDiffXY(1, 1) >= MapSize()) return CMD_ERROR;
if (p1 & 1) {
if (!TerraformTileHeight(&ts, tile + TileDiffXY(1, 0),
@@ -332,7 +332,7 @@ int32 CmdLevelLand(int ex, int ey, uint32 flags, uint32 p1, uint32 p2)
TileIndex tile;
int32 ret, cost, money;
- if (p1 > MapSize()) return CMD_ERROR;
+ if (p1 >= MapSize()) return CMD_ERROR;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);