Path: csiph.com!usenet.pasdenom.info!news.etla.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'from:addr:yahoo.co.uk': 0.04; 'subject:Python': 0.06; 'compiler': 0.07; 'lawrence': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:into': 0.09; 'language.': 0.14; '23,': 0.16; 'check.': 0.16; 'elsewhere.': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'subject:variable': 0.16; 'typedef': 0.16; 'value;': 0.16; 'language': 0.16; 'wrote:': 0.18; 'variable': 0.18; 'thanks.': 0.20; '>>>': 0.22; 'header:User- Agent:1': 0.23; 'exists': 0.24; 'url:moin': 0.24; '---': 0.24; 'header:X-Complaints-To:1': 0.27; 'header:In-Reply-To:1': 0.27; 'chris': 0.29; 'statement': 0.30; 'url:wiki': 0.31; 'struct': 0.31; 'url:python': 0.33; "can't": 0.35; 'google': 0.35; 'leads': 0.36; 'subject:?': 0.36; 'url:org': 0.36; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'read': 0.60; 'problems.': 0.60; 'subject:Can': 0.60; 'free': 0.61; 'viruses': 0.61; 'address': 0.63; 'email addr:gmail.com': 0.63; 'name': 0.63; 'protection': 0.63; 'our': 0.64; 'antivirus': 0.68; 'bothered': 0.68; 'resides': 0.84; 'received:89': 0.85 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: Can global variable be passed into Python function? Date: Mon, 24 Feb 2014 20:00:13 +0000 References: <27ac2248-0ca3-4ba6-9d25-eaad324bc5e9@googlegroups.com> <87sird7wuw.fsf@handshake.de> <8454E8CB-E6E3-452F-8E54-9A77BFF34EC2@gmail.com> <1m3gg9lbf2ln5m2kbki954t17mqni3b20k@4ax.com> <53095145$0$29985$c3e8da3$5496439d@news.astraweb.com> <877g8mcg1m.fsf@elektro.pacujo.net> <87ob1yay9m.fsf@elektro.pacujo.net> <08aa32de-cd51-4888-bd60-2c2b53d86ecc@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: host-89-240-173-196.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 In-Reply-To: <08aa32de-cd51-4888-bd60-2c2b53d86ecc@googlegroups.com> X-Antivirus: avast! (VPS 140224-0, 24/02/2014), Outbound message X-Antivirus-Status: Clean X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 58 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1393272308 news.xs4all.nl 2867 [2001:888:2000:d::a6]:36595 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:67002 On 24/02/2014 18:05, j.e.haque@gmail.com wrote: > On Sunday, February 23, 2014 5:01:25 AM UTC-6, Marko Rauhamaa wrote: >> Chris Angelico : >> >>> That's the exact line of thinking that leads to problems. You are not >> >>> placing a number at the address "xyz", you are pointing the name "xyz" >> >>> to the number 3. That number still exists elsewhere. >> >> >> >> And? >> >> >> >> In C, I can say: >> >> >> >> Number *o = malloc(sizeof *o); >> >> o->value = 3; >> >> >> >> Your statement is valid: the number 3 resides elsewhere than the >> >> variable o. > > typedef struct { > int value; > } Number; > > Number *o; > o = malloc(sizeof(*o)); > o->value=3; > printf("o<%p>, o->value<%p>\n", o, &o->value); > > o<0x9fe5008>, o->value<0x9fe5008> > > Is the compiler borked? > I can't be bothered to check. OTOH google groups is so please read and action this https://wiki.python.org/moin/GoogleGroupsPython, thanks. -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com