Message-ID: <38887509.59DA02E2@cyberoptics.com> From: Eric Rudd Organization: CyberOptics X-Mailer: Mozilla 4.08 [en] (Win95; U) MIME-Version: 1.0 Newsgroups: comp.os.msdos.djgpp Subject: Re: qsort() bug? Or invalid usage??? References: <867gpd$k0u$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> <388758A7 DOT 1B64BDF9 AT cyberoptics DOT com> <388824A4 DOT 7E8CA268 AT is DOT elta DOT co DOT il> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 17 Date: Fri, 21 Jan 2000 09:02:34 -0600 NNTP-Posting-Host: 38.196.93.9 X-Trace: client 948466955 38.196.93.9 (Fri, 21 Jan 2000 10:02:35 EST) NNTP-Posting-Date: Fri, 21 Jan 2000 10:02:35 EST To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Eli Zaretskii wrote: > Eric Rudd wrote: > > > > Yes, and equal objects must return 0. The last time I checked, DJGPP's qsort > > implementation sometimes attempts to dereference beyond the ends of the array > > if the comparison function returns inconsistent results. > > When was that ``last time''? The implementation of `gsort' in the DJGPP > library was changed between v2.01 and v2.02. I see that indeed it has. At the time I was having problems, DJGPP used the BSD qsort algorithm. I am glad to see that K. B. Williams has provided new code, so there's hope that the problem has been solved. I will run a few tests on it to see how it performs.