Function nibble_to_hex_char

test/util.c:217–223

}

uint8_t nibble_to_hex_char(uint8_t nibble)
{
    char buf[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
                     '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

    return buf[nibble & 0xF];
}

/*
 * hex_string_to_octet_string converts a hexadecimal string