From owner-sc22wg5@dkuug.dk Wed Aug 13 10:05:44 2003 Received: (from majordom@localhost) by dkuug.dk (8.12.8p1/8.9.2) id h7D85i9s063156 for sc22wg5-domo; Wed, 13 Aug 2003 10:05:44 +0200 (CEST) (envelope-from owner-sc22wg5@dkuug.dk) X-Authentication-Warning: ptah.dkuug.dk: majordom set sender to owner-sc22wg5@dkuug.dk using -f Received: from mailout01.sul.t-online.com (mailout01.sul.t-online.com [194.25.134.80]) by dkuug.dk (8.12.8p1/8.9.2) with ESMTP id h7D85bEc063149 for ; Wed, 13 Aug 2003 10:05:39 +0200 (CEST) (envelope-from michael.metcalf@t-online.de) Received: from fwd07.aul.t-online.de by mailout01.sul.t-online.com with smtp id 19mqd9-0000dC-03; Wed, 13 Aug 2003 10:05:15 +0200 Received: from metcalf (TlwBjTZTre0M1XwGtHu4P5TbH-cjVLs+j-9YyOmol7l-F83sqj8Vc0@[217.230.187.246]) by fwd07.sul.t-online.com with smtp id 19mqcy-0PbTLE0; Wed, 13 Aug 2003 10:05:04 +0200 Message-ID: <005001c36171$f8ad1fc0$2546fea9@metcalf> Reply-To: "Michael Metcalf" From: michael.metcalf@t-online.de (Michael Metcalf) To: "Fortran 90 List" , Subject: Fw: New ISO_VARYING_STRING implementation (without memory leaks) Date: Wed, 13 Aug 2003 10:07:42 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Seen: false X-ID: TlwBjTZTre0M1XwGtHu4P5TbH-cjVLs+j-9YyOmol7l-F83sqj8Vc0 Sender: owner-sc22wg5@dkuug.dk Precedence: bulk FYI. Mike Metcalf ----- Original Message ----- From: "Richard Townsend" Newsgroups: comp.lang.fortran Sent: 12 August 2003 22:37 Subject: New ISO_VARYING_STRING implementation (without memory leaks) > > Dear All, > > I've just finished implementing an ISO_VARYING_STRING module, conformant > to ISO/IEC 1539-2:1999, to enable the use of varying-length strings in > Fortran 95. Although there are already implementations of this module > available on the web (for instance, > ftp://ftp.nag.co.uk/sc22wg5/ISO_VARYING_STRING/Sample_Module/iso_vst.f95.gz), > these appear to have a problem with memory leaks. > > To avoid the possibility of leaks, my implementation of the module relies > upon ISO/IEC TR15581, the "official" extension to Fortran 95 which > permits allocatable derived-type components. While I'm no Fortran expert, > I'd be prepared to stake quite a bit of money that my implementation won't > leak memory on any non-broken compiler. Of course, the compiler will have > to support TR 15581; but nowadays most appear to do so, the Intel Fortran > compiler being a notable exception (hint hint, please sort that out, > Intel!) > > I'm releasing the module under the GPL, with the hope that some may find > it useful and/or correct my bugs and/or laugh at my coding style and/or > optimize it (its currently written for simplicity, not speed). If anyone > in this NG works for a compiler vendor, and wants to bundle it with their > product but can't due to the GPL, I'd be more than happy to release it > under a different licence -- just drop me an email. > > The source code for the module can be downloaded here: > > http://www.star.ucl.ac.uk/~rhdt/download/#iso > > (please feel free to put up mirror copies) > > cheers, > > Rich > > -- > +-----------------------------------+-------------------------------------+ > | Dr Richard Townsend | | > | Department of Physics & Astronomy | Do not send me HTML-formatted | > | University College London | messages; they go directly to | > | Gower Street | my spam folder, and will | > | London WC1E 6BT | not be read... | > | Work: +44 20 7419 3410 | | > | Mob.: +44 7703 439 009 | | > +-----------------------------------+-------------------------------------+ >