phil at riverbankcomputing.co.uk
Sat Mar 6 00:28:01 GMT 2004
On Friday 05 March 2004 20:14, Claus, Richard wrote:
> Does PyBuffer_FromMemory make a copy of the passed in buffer?
Looking at the Python source, no.
Looking at the Python source, yes.
> sipqtnetworkQSocket.cpp (generated from the .sip) appears to malloc,
> PyString_FromStringAndSize, free and then return the result. In my case,
> my buffer is small (32 bytes) so I tried creating it on the stack (in the
> sip code), called PyBuffer_FromMemory, returned the result and found junk
> in the result on the Python side. The solution I've used thus far has been
> to create the scratch buffer in Python, pass it in to the C++,
> PyBuffer_FromMemory it and return the result. Seems to work but is ugly.
> Is there a better way?
Depends what you are trying to achieve by using buffers.
> Are sipMalloc and sipFree doing something behind
> the scenes that's not obvious?
More information about the PyQt