#!/usr/bin/python3
import ctypes

class PldHeader(ctypes.Structure):
    _fields_ = [
        ("numOffset", ctypes.c_int),
        ("offsets", ctypes.POINTER(ctypes.c_int))
    ]

class Devil1PLD_FN(ctypes.Structure):
    _fields_ = [
        ("getheader"   , ctypes.CFUNCTYPE(bool, ctypes.POINTER(PldHeader), ctypes.c_char_p)),
        ("sizeofsector", ctypes.CFUNCTYPE(int,  ctypes.POINTER(PldHeader), ctypes.c_int)),
        ("printheader" , ctypes.CFUNCTYPE(None, ctypes.POINTER(PldHeader)))
    ]

def main():
    sharedlib='./lib3ddevil1.so'
    libc = ctypes.cdll.LoadLibrary(sharedlib)
    if (not libc):
        print("Couldn't load %s" % sharedlib)
        return 1

    print("OK")
    fn = Devil1PLD_FN.in_dll(libc, "DEVIL1PLD")
    pldh = PldHeader()
    with open("pl01.pld", "rb") as f:
        data = f.read()
        p = PldHeader()
        fn.getheader(ctypes.byref(pldh), data)
        fn.printheader(ctypes.byref(pldh))

#---------------------------------------+

main()