BUG: Do not write out empty meta-data fields

blowekamp · Aug 15, 2012 · f44e632 · f44e632
1 parent 64b230b
commit f44e632
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Modules/ThirdParty/MetaIO/src/MetaIO/metaUtils.cxx b/Modules/ThirdParty/MetaIO/src/MetaIO/metaUtils.cxx
@@ -1370,6 +1370,13 @@ bool MET_Write(METAIO_STREAM::ostream &fp,
         }
       case MET_STRING:
         {
+        if ( (*fieldIter)->length == 0 )
+          {
+            METAIO_STREAM::cerr << "Warning:";
+            METAIO_STREAM::cerr << "The field " << (*fieldIter)->name
+                                << "has zero length. Refusing to write empty string value.";
+            METAIO_STREAM::cerr << METAIO_STREAM::endl;
+          }
         fp << (*fieldIter)->name << " " << MET_SeperatorChar << " ";
         if((*fieldIter)->dependsOn >= 0)
           {