Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #12997

buffer() as argument to ctypes function which expects c_void_p?

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!newsgate.cistron.nl!newsgate.news.xs4all.nl!194.109.133.84.MISMATCH!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path <jack.bates@gmail.com>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.014
X-Spam-Evidence '*H*': 0.97; '*S*': 0.00; 'function,': 0.07; 'python': 0.08; 'subject:ctypes': 0.09; 'argument': 0.15; 'received:209.85.213.174': 0.16; 'received:mail- yx0-f174.google.com': 0.16; 'subject:() ': 0.16; 'subject:function': 0.16; 'pass': 0.29; 'message- id:@mail.gmail.com': 0.29; 'ctypes': 0.30; 'typeerror:': 0.30; 'subject:?': 0.31; 'to:addr:python-list': 0.33; 'received:google.com': 0.38; 'received:209.85': 0.38; 'getting': 0.39; 'to:addr:python.org': 0.39; 'expects': 0.84
DKIM-Signature v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=oUnWc0exPQ3iiEFmKrGN0u68oc8+44nyQGoUbvgQvNo=; b=e3TeIrc3yKgOJRXrLq5sQlUXLM5JpsoQjkjgLxnizFZ/dKgHznoR/Sdrrlpvlq7t5T EpxbKNZsR9jjRJP/CBSbuPaX+05O/Q7gcnz0rNvS7/XTx8VNawSI/KcQT6TSVZWFWi2y 7n5wltG3uL7ZddiVPoEsYqm4BYeh96rBuXKHs=
MIME-Version 1.0
Date Thu, 8 Sep 2011 20:18:54 -0700
Subject buffer() as argument to ctypes function which expects c_void_p?
From Jack Bates <jack.bates@gmail.com>
To python-list@python.org
Content-Type text/plain; charset=ISO-8859-1
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.12
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.894.1315538338.27778.python-list@python.org> (permalink)
Lines 4
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1315538338 news.xs4all.nl 2410 [2001:888:2000:d::a6]:46019
X-Complaints-To abuse@xs4all.nl
Xref x330-a1.tempe.blueboxinc.net comp.lang.python:12997

Show key headers only | View raw


How do you pass a Python buffer() value as an argument to a ctypes
function, which expects a c_void_p argument? I keep getting TypeError:

ctypes.ArgumentError: argument 2: <type 'exceptions.TypeError'>: wrong type

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread


Thread

buffer() as argument to ctypes function which expects c_void_p? Jack Bates <jack.bates@gmail.com> - 2011-09-08 20:18 -0700

csiph-web