Carpet: bugfix in QueryGroupStorageB()

check whether any grid variables are defined, return error code -3 if not

darcs-hash:20070607164805-3fd61-9ad2fde13dca493ba796db16d24037794828aa25.gz

1 files changed, 1 insertions, 0 deletions

diff --git a/Carpet/Carpet/src/Storage.cc b/Carpet/Carpet/src/Storage.cc
index 711374fe0..1e3856e0f 100644
--- a/Carpet/Carpet/src/Storage.cc
+++ b/Carpet/Carpet/src/Storage.cc
@@ -288,6 +288,7 @@ namespace Carpet {
     if (is_meta_mode() or is_global_mode()) {
       if (grouptype == CCTK_GF) return -2;
     }
+    if (groupdata.size() == 0) return -3;
     int const rl = grouptype == CCTK_GF ? reflevel : 0;
     // Return whether storage is allocated
     assert (groupdata.at(group).activetimelevels.at(mglevel).at(rl) != deadbeef);