Check that variable indices are >= 0 and not > 0, otherwise

you can never apply boundary conditions to the variable with
the first index !


git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/Boundary/trunk@19 6a38eb6e-646e-4a02-a296-d141613ad6c4

1 files changed, 10 insertions, 3 deletions

diff --git a/src/FlatBoundary.c b/src/FlatBoundary.c
index 0b8bcb8..b1a4fb3 100644
--- a/src/FlatBoundary.c
+++ b/src/FlatBoundary.c
@@ -67,20 +67,27 @@ void ApplyFlatBC(cGH *GH, int *stencil_size, char *name) {
 
   /* Decide if we have a group or a variable, and get the index */
   /* type = 1 (group), type = 0 (var), type = -1 (neither) */
-
+ 
   num  = CCTK_GroupIndex(name);
 
   if (num < 0) 
   {
     num = CCTK_VarIndex(name);
-    if (num > 0)
+    if (num >= 0)
     {
       type = 1; /* Variable */
     }
     else
     {
       type = -1;
-      CCTK_WARN(0,"Name in ApplyFlatBC is neither a group nor a variable");
+      { 
+        char *message;
+        message = (char *)malloc( 1024*sizeof(char) );
+	sprintf(message,"Name (%s) in ApplyFlatBC is not a group or variable",
+		name);
+	CCTK_WARN(1,message);
+        free(message);
+      }
     }
   }
   else