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Add "only-printable" Fuzzing Mode #215
The "only-printable" mode will only generate printable inputs for the fuzzed program. This might be useful for many applications such as expr(1). The changes to achieve this are:
The printable version of "mangle_Magic" is currently implemented as directly transferring the original data to printable outputs. Because I don't know the semantics of this function. If anyone has any suggestion for this, I'd like to improve it.