Fixed crash on uncompressed PNG files.

lvandeve / lodepng

PNG encoder and decoder in C and C++.

zlib License

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Fixed crash on uncompressed PNG files. #32

Closed JeckDev closed 8 years ago

JeckDev commented 8 years ago

When writing an uncompressed PNG, deflateDynamic erroneously indexed a newly allocated block of datasize length using the datapos offset. This would crash anytime datapos > 0.

lvandeve commented 8 years ago

Thanks for finding this!