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d476144565
Some of the code assumed that chars were always signed while that is not the case on ARM hosts. Also, some of the code tried to use EOF (-1) in a way similar to what fgetc() does, however instead of storing the characters in an int variable a char was used. While this seemed to work it also meant that character 0xFF would be incorrectly seen as an end-of-file. Careful reading of fgetc() reveals that fgetc() stores character data in an int where valid characters are in the range of 0-255 and the EOF value is explicitly outside of that range (usually -1).