diff options
Diffstat (limited to 'engines')
| -rw-r--r-- | engines/gnap/gamesys.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/engines/gnap/gamesys.cpp b/engines/gnap/gamesys.cpp index d31854d06e..11ef6fd3d7 100644 --- a/engines/gnap/gamesys.cpp +++ b/engines/gnap/gamesys.cpp @@ -1116,7 +1116,10 @@ void GameSys::fatUpdateFrame() { if (_newSpriteDrawItemsCount > 0) { debugC(kDebugBasic, "_newSpriteDrawItemsCount: %d", _newSpriteDrawItemsCount); for (int k = 0; k < _newSpriteDrawItemsCount; ++k) { - if (_gfxItemsCount < 50) { + // The original was allowing a buffer overflow. + // In order to fit in memory, insertIndex + 1 + (_gfxItemsCount - InsertIndex) must be + // smaller than the size _gfxItems array (50). + if (_gfxItemsCount + 1 < 50) { int insertIndex; seqLocateGfx(-1, _newSpriteDrawItems[k]._id, &insertIndex); if (_gfxItemsCount != insertIndex) |