From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1409 invoked by alias); 23 Jan 2011 18:23:51 -0000 Received: (qmail 1401 invoked by uid 22791); 23 Jan 2011 18:23:51 -0000 X-SWARE-Spam-Status: No, hits=1.7 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,FSL_RU_URL,RCVD_IN_DNSWL_NONE,SARE_FREE_WEBM_RuMail,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org Received: from smtp2.mail.ru (HELO smtp2.mail.ru) (94.100.176.130) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 23 Jan 2011 18:23:27 +0000 Received: from [93.100.134.215] (port=43054 helo=debian) by smtp2.mail.ru with psmtp id 1Ph4ax-0005kL-00 for gdb@sourceware.org; Sun, 23 Jan 2011 21:23:23 +0300 Date: Sun, 23 Jan 2011 18:23:00 -0000 From: Alexander Petukhov To: gdb@sourceware.org Subject: Re: set print null-stop Message-Id: <20110123210959.9933c6eb.al_petukhov@mail.ru> In-Reply-To: <20110123132005.GA3916@host1.dyn.jankratochvil.net> References: <1292149712.15669.ezmlm@sourceware.org> <20110122114056.6d60d06a.al_petukhov@mail.ru> <20110123132005.GA3916@host1.dyn.jankratochvil.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-IsSubscribed: yes 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 X-SW-Source: 2011-01/txt/msg00100.txt.bz2 well, sorry for inattention, 7.2 doesn't have this bug and I've found it in the tracker http://sourceware.org/bugzilla/show_bug.cgi?id=11049 Thanks for giving a right direction. By the way, after executing "set print null-stop" in MI mode -data-evaluate-expression also start to work well, though I understand it's not a good idea to mix MI and not-MI commands (gdb) -data-evaluate-expression str ^done,value="\"i=0\\000\\000\\000\"" (gdb) set print null-stop &"set print null-stop\n" ^done (gdb) -data-evaluate-expression str ^done,value="\"i=0\"" On Sun, 23 Jan 2011 14:20:05 +0100 Jan Kratochvil wrote: > On Sat, 22 Jan 2011 09:40:56 +0100, Alexander Petukhov wrote: > > Hello, maling list. > > Can't make "set print null-stop" work as written in manual. > > For example: > > > > char str[7]; > > sprintf(str, "i=%i", 0); > > > > (gdb) p str > > $1 = "i=0\000\017\377\267" > > (gdb) set print null-stop > > (gdb) p str > > $2 = "" > > > > Does this feature work or I'm doing something wrong? > > Works for me: > > echo 'char str[7]="i=0";main(){}'|gcc -x c - -g;./gdb -nx ./a.out > GNU gdb (GDB) 7.2.50.20110123-cvs > This GDB was configured as "x86_64-unknown-linux-gnu". > (gdb) p str > $1 = "i=0\000\000\000" > (gdb) set print null-stop > (gdb) p str > $2 = "i=0" > > > > Another question - is there a corresponding gdm/mi command? > > String AFAIK has to be read in MI char-by-char so it is irrelevant. > > -var-create a * str > ^done,name="a",numchild="7",value="[7]",type="char [7]",has_more="0" > -var-evaluate-expression a > ^done,value="[7]" > -var-create - * str[0] > ^done,name="var1",numchild="0",value="105 'i'",type="char",has_more="0" > -var-create - * str[1] > ^done,name="var2",numchild="0",value="61 '='",type="char",has_more="0" > > > Regards, > Jan > -- Best regards, Alexander Petukhov