Re: [Help-glpk] glp_main frees environment

[glpk xypron]

Hello Nigel,

I have added 
http://en.wikibooks.org/w/index.php?title=GLPK/Terminal_output&stable=0#Memory_management
to the Wikibook.

Best regards

Xypron
-------- Original-Nachricht --------
> Datum: Sun, 06 Nov 2011 19:23:05 +0100

> Betreff: Re: [Help-glpk] glp_main frees environment

> Hello Nigel,
> 
> you assign memory to lp, but you do not release it before calling
> glpk_main.
> 
> glp_main calls glp_free_env in line 1321 of glpk-4.47/src/glpapi21.c
> glp_free_env checks if all blocks are released.
> 
> It might be preferable to move glp_free_env to glpsol.c
> 
> Please, remember glp_main is not a documented API function in glpk.pdf.
> 
> Best regards
> 
> Xypron
> 
> -------- Original-Nachricht --------
> > Datum: Sun, 06 Nov 2011 06:18:33 -0800
> > Betreff: [Help-glpk] (no subject)
> 
> > Andrew,
> > 
> > Should the following code cause glpk to loose its blocks?
> > 
> > #include <stdio.h>
> > #include <stdlib.h>
> > #include "glpk.h"
> > 
> > 
> > int main(void)
> > { 
> >     glp_prob *lp;
> >     char *com[2];
> >     
> >     lp = glp_create_prob();
> >     
> >     com[0] = "glpsol";
> >     com[1] = "--version";
> >     
> >     glp_main(2, (const char**)com);
> >     return 0;
> > }
> > 
> > The output is:
> > 
> > GLPSOL: GLPK LP/MIP Solver, v4.47
> > 
> > Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
> > 2009, 2010, 2011 Andrew Makhorin, Department for Applied Informatics,
> > Moscow Aviation Institute, Moscow, Russia. All rights reserved.
> > 
> > This program has ABSOLUTELY NO WARRANTY.
> > 
> > This program is free software; you may re-distribute it under the terms
> > of the GNU General Public License version 3 or later.
> > Error: 5 memory block(s) were lost
> > Error detected in file
> > ../../../../../msys/home/Nigel/glpk-4.47/src/glpapi21.c at line 1314
> > 
> > This application has requested the Runtime to terminate it in an unusual
> > way.
> > Please contact the application's support team for more information.
> > 
> > RUN FAILED (exit value 3, total time: 4s)
> > 
> > 
> > 
> > -- 
> >   Nigel Galloway
> >   address@hidden
> > 
> > -- 
> > http://www.fastmail.fm - One of many happy users:
> >   http://www.fastmail.fm/docs/quotes.html
> > 
> > 
> > _______________________________________________
> > Help-glpk mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/help-glpk
> 
> -- 
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