X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Authentication-Warning: envy.delorie.com: dj set sender to dj AT delorie DOT com using -f From: DJ Delorie To: geda-user AT delorie DOT com Subject: Re: [geda-user] strncpy in pcb In-Reply-To: <20230202225152.3539085E50B5@turkos.aspodata.se> (geda-user AT delorie DOT com) Date: Thu, 02 Feb 2023 18:32:33 -0500 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk "karl AT aspodata DOT se [via geda-user AT delorie DOT com]" writes: > Well, add a dst[sizeof(dst)-1] = '\0' then. I'd rather fix it the right way than patch over the limitations of using the wrong function in the first place. >> strncpy can't be made to do that. Neither can strlcpy for that matter. >> strcpy_s can but it isn't generally available yet. > > should it handle overlapping strings ? None of those can. >> What we need is something like: >> >> pcb_strcpy (s, d, l) >> { >> i = strlen(s); >> if (i+1 <= l) >> memcpy (s, d, i+1) >> else >> abort() >> } > > I'm not found of abort(). "something like" not "exactly this"