From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30925 invoked by alias); 23 Jan 2011 13:20:27 -0000 Received: (qmail 30917 invoked by uid 22791); 23 Jan 2011 13:20:26 -0000 X-SWARE-Spam-Status: No, hits=-6.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 23 Jan 2011 13:20:12 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id p0NDKAf7010005 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 23 Jan 2011 08:20:10 -0500 Received: from host1.dyn.jankratochvil.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p0NDK7Vb030610 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 23 Jan 2011 08:20:09 -0500 Received: from host1.dyn.jankratochvil.net (localhost [127.0.0.1]) by host1.dyn.jankratochvil.net (8.14.4/8.14.4) with ESMTP id p0NDK7fP014588; Sun, 23 Jan 2011 14:20:07 +0100 Received: (from jkratoch@localhost) by host1.dyn.jankratochvil.net (8.14.4/8.14.4/Submit) id p0NDK5fH014581; Sun, 23 Jan 2011 14:20:05 +0100 Date: Sun, 23 Jan 2011 13:20:00 -0000 From: Jan Kratochvil To: Alexander Petukhov Cc: gdb@sourceware.org Subject: Re: set print null-stop Message-ID: <20110123132005.GA3916@host1.dyn.jankratochvil.net> References: <1292149712.15669.ezmlm@sourceware.org> <20110122114056.6d60d06a.al_petukhov@mail.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110122114056.6d60d06a.al_petukhov@mail.ru> User-Agent: Mutt/1.5.21 (2010-09-15) 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/msg00093.txt.bz2 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