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Fix skipdata struct being destroyed (#1385)

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Семён Марьясин 2019-02-16 20:29:53 +03:00 committed by Nguyen Anh Quynh
parent 534194f3fc
commit 64880d2493
1 changed files with 7 additions and 5 deletions
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12
bindings/python/capstone/__init__.py
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@ -834,6 +834,9 @@ class Cs(object):
# default mnemonic for SKIPDATA # default mnemonic for SKIPDATA
self._skipdata_mnem = ".byte" self._skipdata_mnem = ".byte"
self._skipdata_cb = (None, None) self._skipdata_cb = (None, None)
# store reference to option object to avoid it being freed
# because C code uses it by reference
self._skipdata_opt = _cs_opt_skipdata()
self._skipdata = False self._skipdata = False
@ -908,12 +911,11 @@ class Cs(object):
@skipdata_setup.setter @skipdata_setup.setter
def skipdata_setup(self, opt): def skipdata_setup(self, opt):
_skipdata_opt = _cs_opt_skipdata()
_mnem, _cb, _ud = opt _mnem, _cb, _ud = opt
_skipdata_opt.mnemonic = _mnem.encode() self._skipdata_opt.mnemonic = _mnem.encode()
_skipdata_opt.callback = CS_SKIPDATA_CALLBACK(_cb or 0) self._skipdata_opt.callback = CS_SKIPDATA_CALLBACK(_cb or 0)
_skipdata_opt.user_data = ctypes.cast(_ud, ctypes.c_void_p) self._skipdata_opt.user_data = ctypes.cast(_ud, ctypes.c_void_p)
status = _cs.cs_option(self.csh, CS_OPT_SKIPDATA_SETUP, ctypes.cast(ctypes.byref(_skipdata_opt), ctypes.c_void_p)) status = _cs.cs_option(self.csh, CS_OPT_SKIPDATA_SETUP, ctypes.cast(ctypes.byref(self._skipdata_opt), ctypes.c_void_p))
if status != CS_ERR_OK: if status != CS_ERR_OK:
raise CsError(status) raise CsError(status)