Don't malloc zero bytes when there are no GH extensions.

Tom


git-svn-id: http://svn.cactuscode.org/flesh/trunk@1649 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 10 insertions, 2 deletions

diff --git a/src/main/GHExtensions.c b/src/main/GHExtensions.c
index 69b72cd8..d58ec1fe 100644
--- a/src/main/GHExtensions.c
+++ b/src/main/GHExtensions.c
@@ -327,9 +327,17 @@ int CCTKi_SetupGHExtensions(tFleshConfig *config,
   if(CheckAllExtensionsSetup())
   {
     /* Create GHExtension array on the GH. */
-    GH->extensions = (void **)malloc(num_extensions*sizeof(void *));
 
-    if(GH->extensions)
+    if(num_extensions)
+    {
+      GH->extensions = (void **)malloc(num_extensions*sizeof(void *));
+    }
+    else
+    {
+      GH->extensions = NULL;
+    }
+    
+    if(GH->extensions || ! num_extensions)
     {
       for(handle = 0; handle < num_extensions; handle++)
       {