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author | Willem Jan Palenstijn | 2017-02-11 16:50:28 +0100 |
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committer | Willem Jan Palenstijn | 2017-02-11 16:50:28 +0100 |
commit | 2af9ab6f612214cd00aa16e83db3ca5e8b0c7f19 (patch) | |
tree | 02d74ecbae36f81a379bae0db68d50d4cc381dd3 /engines/drascula/graphics.cpp | |
parent | efb8774734094313d6ce7a924c2604645c7083fc (diff) | |
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DRASCULA: Add bound check asserts to copyRect
Bug #7110 showed a crash here. Even though that was likely a compiler
error, these extra checks shouldn't hurt.
Diffstat (limited to 'engines/drascula/graphics.cpp')
-rw-r--r-- | engines/drascula/graphics.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/engines/drascula/graphics.cpp b/engines/drascula/graphics.cpp index 09ff3c6429..dfe012a2ef 100644 --- a/engines/drascula/graphics.cpp +++ b/engines/drascula/graphics.cpp @@ -196,6 +196,11 @@ void DrasculaEngine::copyRect(int xorg, int yorg, int xdes, int ydes, int width, dest += xdes + ydes * 320; src += xorg + yorg * 320; + assert(xorg >= 0); + assert(yorg >= 0); + assert(xorg + width <= 320); + assert(yorg + height <= 200); + int ptr = 0; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { |