May 26, 2018

High-speed character set detection library

A high-speed character set detection library.

libguess employs discrete-finite automata to deduce the character set of the input buffer. The advantage of this is that all character sets can be checked in parallel, and quickly. Right now, libguess passes a byte to each DFA on the same pass, meaning that the winning character set can be deduced as efficiently as possible.

libguess is fully reentrant, using only local stack memory for DFA operations.

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