On Sat, 26 Mar 2011 05:23:27 +0300, OJ wrote: > Hi I am opening a shared library which has defined the following > callback prototype: > extern void DebugMessage(int level, const char *message, ...); > > My implementation in Python looks like this: > DEBUGFUNC = ctypes.CFUNCTYPE(None, ctypes.c_int, > ctypes.POINTER(ctypes.c_char)) > def DebugMessage(lvl, msg): > print lvl, msg > return > debug_callback = DEBUGFUNC(DebugMessage) > > Which gives me the following when running my python script: > 0 <ctypes.LP_c_char object at 0x7f872d5148c0>
> How can I get something useful? 1. Use c_char_p instead of POINTER(c_char). 2. Use msg.value to obtain a Python string from the pointer. -- http://mail.python.org/mailman/listinfo/python-list