From b1f8ce9bd98bb565efe6f9a0f99cac985500be60 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@20f44201-0f4f-0410-9130-e5fc2714a787>
Date: Wed, 23 Aug 2006 00:59:19 +0000
Subject: Handle the case of 0 interpolation points correctly.  malloc can
 return NULL in this case.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/RotatingSymmetry180/trunk@36 20f44201-0f4f-0410-9130-e5fc2714a787
---
 src/rotatingsymmetry180.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rotatingsymmetry180.c b/src/rotatingsymmetry180.c
index d28b40e..9cbde1d 100644
--- a/src/rotatingsymmetry180.c
+++ b/src/rotatingsymmetry180.c
@@ -575,6 +575,8 @@ void Rot180_ApplyBC (CCTK_ARGUMENTS)
   nvars = Boundary_SelectedGVs (cctkGH, 0, 0, 0, 0, 0, 0);
   assert (nvars>=0);
   
+  if (nvars==0) return;
+  
   indices = malloc (nvars * sizeof *indices);
   assert (indices);
   faces = malloc (nvars * sizeof *faces);
-- 
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