On 07/25/2011 09:45 AM, Cole Robinson wrote: NULL refers to the pointer (4 or 8 bytes), NUL refers to the character (1 byte). Therefore, in the subject line: s/NULL/NUL/ > Otherwise things like volume upload are only useful with text data. > --- > python/libvirt-override.c | 5 +++-- > 1 files changed, 3 insertions(+), 2 deletions(-) I agree that this is a problem that needs to be fixed, > > diff --git a/python/libvirt-override.c b/python/libvirt-override.c > index 9d1dac2..70e0238 100644 > --- a/python/libvirt-override.c > +++ b/python/libvirt-override.c > @@ -4151,11 +4151,12 @@ libvirt_virStreamSend(PyObject *self ATTRIBUTE_UNUSED, > PyObject *pyobj_stream; > virStreamPtr stream; > char *data; > + int datalen; > int ret; > int nbytes; > > - if (!PyArg_ParseTuple(args, (char *) "Ozi:virStreamRecv", > -&pyobj_stream,&data,&nbytes)) { > + if (!PyArg_ParseTuple(args, (char *) "Oz#i:virStreamRecv", > +&pyobj_stream,&data,&datalen,&nbytes)) { and although I've never really written any python or C/python interaction code, this looks on the surface to do what you claim, so: ACK.