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| author | Bad-Command <Corey.Edmunds@gmail.com> | 2012-07-04 15:06:19 -0400 |
|---|---|---|
| committer | Perttu Ahola <celeron55@gmail.com> | 2012-07-21 16:13:51 +0300 |
| commit | cc10eec6c6fd6252450f7d3af098e3936e43d3d9 (patch) | |
| tree | 097f1e187b8d37c0abc0efee674c95ee6f7356e8 | |
| parent | 15bf9a7026db34bddc5f756361bd06a1e5cb9aff (diff) | |
| download | minetest-cc10eec6c6fd6252450f7d3af098e3936e43d3d9.tar.gz minetest-cc10eec6c6fd6252450f7d3af098e3936e43d3d9.tar.bz2 minetest-cc10eec6c6fd6252450f7d3af098e3936e43d3d9.zip | |
Fix signed overflow in getPointedThing
| -rw-r--r-- | src/game.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/game.cpp b/src/game.cpp index e2e6dd8c1..347dbf44b 100644 --- a/src/game.cpp +++ b/src/game.cpp @@ -367,6 +367,14 @@ PointedThing getPointedThing(Client *client, v3f player_position, s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1); s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1); + // Prevent signed number overflow + if(yend==32767) + yend=32766; + if(zend==32767) + zend=32766; + if(xend==32767) + xend=32766; + for(s16 y = ystart; y <= yend; y++) for(s16 z = zstart; z <= zend; z++) for(s16 x = xstart; x <= xend; x++) |