- /* Get the size */
- data.flags ^= DB_DBT_PARTIAL;
- data.ulen = 0;
- rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
- if ( rc != DB_BUFFER_SMALL ) goto finish;
-
- /* Allocate a block and retrieve the data */
- off = eh.data - eh.bv.bv_val;
- eh.bv.bv_len = eh.nvals * sizeof( struct berval ) + data.size;
- eh.bv.bv_val = ch_malloc( eh.bv.bv_len );
- eh.data = eh.bv.bv_val + eh.nvals * sizeof( struct berval );
- data.data = eh.data;
- data.ulen = data.size;
-
- /* skip past already parsed nattr/nvals */
- eh.data += off;
-
- rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ if ( eh.nvals ) {
+ /* Get the size */
+ data.flags ^= DB_DBT_PARTIAL;
+ data.ulen = 0;
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ if ( rc != DB_BUFFER_SMALL ) goto finish;
+
+ /* Allocate a block and retrieve the data */
+ off = eh.data - eh.bv.bv_val;
+ eh.bv.bv_len = eh.nvals * sizeof( struct berval ) + data.size;
+ eh.bv.bv_val = ch_malloc( eh.bv.bv_len );
+ eh.data = eh.bv.bv_val + eh.nvals * sizeof( struct berval );
+ data.data = eh.data;
+ data.ulen = data.size;
+
+ /* skip past already parsed nattr/nvals */
+ eh.data += off;
+
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ }