From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 108694 invoked by alias); 4 Mar 2016 19:16:24 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 108681 invoked by uid 89); 4 Mar 2016 19:16:23 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=showed X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 04 Mar 2016 19:16:23 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 2B83370AAD; Fri, 4 Mar 2016 19:16:22 +0000 (UTC) Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u24JGKEZ027319; Fri, 4 Mar 2016 14:16:21 -0500 Subject: Re: Printing a 2D array in a C program To: Jan Kratochvil References: <20160304144231.GA7767@host1.jankratochvil.net> <20160304174859.GA15741@host1.jankratochvil.net> <56D9D2D3.4020706@redhat.com> <20160304185904.GA17723@host1.jankratochvil.net> Cc: Neven Sajko , gdb@sourceware.org From: Pedro Alves Message-ID: <56D9DF04.5060004@redhat.com> Date: Fri, 04 Mar 2016 19:16:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <20160304185904.GA17723@host1.jankratochvil.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2016-03/txt/msg00013.txt.bz2 On 03/04/2016 06:59 PM, Jan Kratochvil wrote: > On Fri, 04 Mar 2016 19:24:19 +0100, Pedro Alves wrote: >> It's a C gotcha, but I don't think it's a bug. Essentially, a parameter >> declared as an array is really treated as a pointer parameter. > > I did not look it up but I expected the standard probably says something like > that, It's in the url/paste I showed. C99, 6.7.5.3, point 7. > For example DWARF could have the pointer > there at its type for sizeof and similar but additionally there could be some > new GNU attribute for printing the data. Yeah, might be a good idea. Thanks, Pedro Alves