New submission from Daniel Standage:
The ctypes documentation describes the '._as_parameter_' attribute, which
simplifies using Python objects to encapsulate C objects. If a ctypes object
with the '._as_parameter_' attribute defined is passed as a parameter to a C
function, the value of '._as_parameter_' is supplied to the C function instead
of a pointer to the Python project.
At least that's how it's advertised to work. And it does indeed work as
advertised on Linux, but on Mac OS X the mechanism doesn't appear to work
correctly. I have created a small dummy example demonstrating this at
https://github.com/standage/ctypes-demo.
--
components: ctypes
hgrepos: 281
messages: 231692
nosy: Daniel.Standage
priority: normal
severity: normal
status: open
title: Ctypes inconsistent between Linux and OS X
type: behavior
versions: Python 2.7
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