Hi Tobias, > If tar is called with a specific decompressor, like "tar -xz", the > function first_decompress_program will return a fixed value. In this > case it would be "gzip". If the execution of gzip fails or gzip is > not found, next_decompress_program will be called.
In this case, next_decompress_program will return NULL immediately, without trying to use its argument. Regards, Sergey
