# HG changeset patch
# User Rik <rik@octave.org>
# Date 1457884019 25200
# Node ID de155ca994d44fc6601c24fd482d8654f24ef910
# Parent  74b07936fd05086f0046a3ab6b20c98dcdde2e4b
Ask glpk to free all resources used after solving problem.

* __glpk__.cc (glpk): Call glp_free_env () at end of routine to free
all resources.  Prevents memory leaks being reported.

diff -r 74b07936fd05 -r de155ca994d4 libinterp/dldfcn/__glpk__.cc
--- a/libinterp/dldfcn/__glpk__.cc	Sun Mar 13 07:34:27 2016 -0700
+++ b/libinterp/dldfcn/__glpk__.cc	Sun Mar 13 08:46:59 2016 -0700
@@ -285,6 +285,11 @@
     }
 
   glp_delete_prob (lp);
+  // Request that GLPK free all memory resources.
+  // This prevents reported memory leaks, but isn't strictly necessary.
+  // The memory blocks use are allocated once and don't grow with further
+  // calls to glpk so they would be reclaimed anyways when Octave exits. 
+  glp_free_env ();
 
   return errnum;
 }