missing bits

// hansi: hextable from
// http://stackoverflow.com/questions/10324/how-can-i-convert-a-hexadecimal-number-to-base-10-efficiently-in-c
static const long HEX2DEC[] = {
    [0 ... 255] = -1, // bit aligned access into this table is considerably
    ['0'] = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, // faster for most modern processors,
    ['A'] = 10, 11, 12, 13, 14, 15,       // for the space conscious, reduce to
    ['a'] = 10, 11, 12, 13, 14, 15        // signed char.
};

// http://en.wikipedia.org/wiki/Percent-encoding#Types_of_URI_characters
static bool SAFE[256] = {
    [0 ... 255] = false,
    ['a'...'z'] = true,
    ['A'...'Z'] = true,
    ['0'...'9'] = true,
    ['.'] = true
};