From ea76585f7d3b3942ee7e4f3c3d33356b1f35fdb5 Mon Sep 17 00:00:00 2001
From: rideout <rideout@6a38eb6e-646e-4a02-a296-d141613ad6c4>
Date: Mon, 30 Dec 2002 18:42:56 +0000
Subject: Only free temporary arrays in Boundary_ApplyPhysicalBCs() if they
 have been allocated.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/Boundary/trunk@188 6a38eb6e-646e-4a02-a296-d141613ad6c4
---
 src/Boundary.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Boundary.c b/src/Boundary.c
index 0907d91..f000108 100644
--- a/src/Boundary.c
+++ b/src/Boundary.c
@@ -768,6 +768,7 @@ void Boundary_ApplyPhysicalBCs(CCTK_ARGUMENTS) {
   struct BCDATA *current_bcdata;
 
   max_num_vars = 0;
+  vars = NULL; /* so that it won't be freed if it was never malloced */
 
   /* Step through each requested physical boundary condition */
   for (current_bcdata = bcdata_list;
@@ -834,8 +835,11 @@ void Boundary_ApplyPhysicalBCs(CCTK_ARGUMENTS) {
   }
 
   /* Free data */
-  free(vars);
-  free(tables);
+  if (vars)
+  {
+    free(vars);
+    free(tables);
+  }
 }
 
  /*@@
-- 
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