Fixed return code of I/O methods.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/IOBasic/trunk@110 b589c3ab-70e8-4b4d-a09f-cba2dd200880

1 files changed, 26 insertions, 2 deletions

diff --git a/src/WriteInfo.c b/src/WriteInfo.c
index 37a986d..27bc3ce 100644
--- a/src/WriteInfo.c
+++ b/src/WriteInfo.c
@@ -31,8 +31,30 @@ CCTK_FILEVERSION(CactusBase_IOBasic_WriteInfo_c)
 
    @calls      CCTK_VarDataPtrI
                CCTK_Reduce
+
+   @var       GH
+   @vdesc     Pointer to CCTK grid hierarchy
+   @vtype     const cGH *
+   @vio       in
+   @endvar
+   @var       vindex
+   @vdesc     CCTK index of the variable to output
+   @vtype     int
+   @vio       in
+   @endvar
+   @var       alias
+   @vdesc     alias name to use for building the output filename
+   @vtype     const char *
+   @vio       in
+   @endvar
+
+   @returntype int
+   @returndesc
+                0 for success, or<BR>
+               -1 if variable has no storage assigned
+   @endreturndesc
 @@*/
-void IOBasic_WriteInfo (const cGH *GH, int vindex)
+int IOBasic_WriteInfo (const cGH *GH, int vindex)
 {
   int vtype;
   char *fullname;
@@ -67,7 +89,7 @@ void IOBasic_WriteInfo (const cGH *GH, int vindex)
       reduction->is_valid = 0;
       reduction = reduction->next;
     }
-    return;
+    return (-1);
   }
 
   /* CCTK scalars are printed by their value, cast into a C double */
@@ -175,4 +197,6 @@ void IOBasic_WriteInfo (const cGH *GH, int vindex)
       reduction = reduction->next;
     }
   }
+
+  return (0);
 }