Correctly use the new convertor. Now we have 2 generic predefined convertors. One is for

the external32 conversions (as specified in the MPI standard) the other one is the local
convertor that can be used for MPI_Pack and MPI_Unpack functions.

This commit was SVN r6375.

ompi/mpi/c/pack.c

@@ -61,8 +61,10 @@ int MPI_Pack(void *inbuf, int incount, MPI_Datatype datatype,
         }
     }
 
+    OBJ_CONSTRUCT( &local_convertor, ompi_convertor_t );
     /* the resulting convertor will be set to the position ZERO */
-    ompi_convertor_copy_and_prepare_for_send( NULL, datatype, incount, inbuf, &local_convertor );
+    ompi_convertor_copy_and_prepare_for_send( ompi_mpi_local_convertor, datatype, 
+                                              incount, inbuf, &local_convertor );
 
     /* Check for truncation */
     ompi_convertor_get_packed_size( &local_convertor, &size );

ompi/mpi/c/pack_size.c

@@ -53,8 +53,9 @@ int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm,
         }
     }
 
+    OBJ_CONSTRUCT( &local_convertor, ompi_convertor_t );
     /* the resulting convertor will be set to the position ZERO */
-    ompi_convertor_copy_and_prepare_for_send( NULL, datatype, incount, NULL, &local_convertor );
+    ompi_convertor_copy_and_prepare_for_send( ompi_mpi_local_convertor, datatype, incount, NULL, &local_convertor );
 
     ret = ompi_convertor_get_packed_size( &local_convertor, &length );
     *size = (int)length;

ompi/mpi/c/unpack.c

@@ -65,8 +65,9 @@ int MPI_Unpack(void *inbuf, int insize, int *position,
         }
     }
 
+    OBJ_CONSTRUCT( &local_convertor, ompi_convertor_t );
     /* the resulting convertor will be set the the position ZERO */
-    ompi_convertor_copy_and_prepare_for_recv( NULL, datatype, outcount, outbuf, &local_convertor );
+    ompi_convertor_copy_and_prepare_for_recv( ompi_mpi_local_convertor, datatype, outcount, outbuf, &local_convertor );
 
     /* Check for truncation */
     ompi_convertor_get_packed_size( &local_convertor, &size );