def convert_from_object(self, cdata, w_ob):
if self.value_fits_ulong:
value = misc.as_unsigned_long(self.space, w_ob, strict=True)
if self.value_fits_long:
if value > self.vrangemax:
self._overflow(w_ob)
misc.write_raw_unsigned_data(cdata, value, self.size)
else:
self._convert_from_object_longlong(cdata, w_ob)
def cast(self, w_ob):
# cast to a pointer, to a funcptr, or to an array.
# Note that casting to an array is an extension to the C language,
# which seems to be necessary in order to sanely get a
# <cdata 'int[3]'> at some address.
if self.size < 0:
return W_CType.cast(self, w_ob)
space = self.space
if (isinstance(w_ob, cdataobj.W_CData)
and isinstance(w_ob.ctype, W_CTypePtrOrArray)):
value = w_ob.unsafe_escaping_ptr()
else:
value = misc.as_unsigned_long(space, w_ob, strict=False)
value = rffi.cast(rffi.CCHARP, value)
return cdataobj.W_CData(space, value, self)
def cast(self, w_ob):
# cast to a pointer, to a funcptr, or to an array.
# Note that casting to an array is an extension to the C language,
# which seems to be necessary in order to sanely get a
# <cdata 'int[3]'> at some address.
if self.size < 0:
return W_CType.cast(self, w_ob)
space = self.space
if (isinstance(w_ob, cdataobj.W_CData) and
isinstance(w_ob.ctype, W_CTypePtrOrArray)):
value = w_ob._cdata
else:
value = misc.as_unsigned_long(space, w_ob, strict=False)
value = rffi.cast(rffi.CCHARP, value)
return cdataobj.W_CData(space, value, self)
