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| author | rubidium <rubidium@openttd.org> | 2007-07-09 20:08:25 +0000 |
|---|---|---|
| committer | rubidium <rubidium@openttd.org> | 2007-07-09 20:08:25 +0000 |
| commit | 09eb6623ab6d8750dc08111ecbd3e20fc1bfc06b (patch) | |
| tree | 12fc144dcff919b030af8acc977d785bd29ebf48 | |
| parent | b876be00646fabe692fbfd2f40b2e4e738fa8627 (diff) | |
| download | openttd-09eb6623ab6d8750dc08111ecbd3e20fc1bfc06b.tar.xz | |
(svn r10494) -Fix (r10490): possible null dereference in some exotic newgrfs.
| -rw-r--r-- | src/industry_cmd.cpp | 2 | ||||
| -rw-r--r-- | src/newgrf_industrytiles.cpp | 8 | ||||
| -rw-r--r-- | src/newgrf_industrytiles.h | 2 |
3 files changed, 8 insertions, 4 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index 9fa957d03..3bc22d45b 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -1191,7 +1191,7 @@ static bool CheckIfIndustryTilesAreFree(TileIndex tile, const IndustryTileTable if (HASBIT(its->callback_flags, CBM_INDT_SHAPE_CHECK)) { if (custom_shape_check != NULL) *custom_shape_check = true; - if (!PerformIndustryTileSlopeCheck(cur_tile, its, it->gfx)) return false; + if (!PerformIndustryTileSlopeCheck(cur_tile, its, type, it->gfx)) return false; } else { if (ind_behav & INDUSTRYBEH_BUILT_ONWATER) { /* As soon as the tile is not water, bail out. diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp index 75e61f6ba..77993eafa 100644 --- a/src/newgrf_industrytiles.cpp +++ b/src/newgrf_industrytiles.cpp @@ -229,9 +229,13 @@ bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const Indus } } -bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryGfx gfx) +bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx) { - uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, 0, gfx, NULL, tile); + Industry ind; + ind.xy = 0; + ind.type = type; + + uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, 0, gfx, &ind, tile); if (its->grf_prop.grffile->grf_version < 7) { return callback_res != 0; } diff --git a/src/newgrf_industrytiles.h b/src/newgrf_industrytiles.h index 9495aa202..16321217b 100644 --- a/src/newgrf_industrytiles.h +++ b/src/newgrf_industrytiles.h @@ -7,6 +7,6 @@ bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const IndustryTileSpec *inds); uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile); -bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryGfx gfx); +bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx); #endif /* NEWGRF_INDUSTRYTILES_H */ |