format: Create a new "struct fmt_affix" for prefix and suffix strings.

[pspp-builds.git] / src / data / casegrouper.c

diff --git a/src/data/casegrouper.c b/src/data/casegrouper.c
index 9e7ab157e1921057ba8aed5a720658df74677067..dee1488e9e297145f22782518dd16887315c389e 100644 (file)
--- a/src/data/casegrouper.c
+++ b/src/data/casegrouper.c
@@ -91,8 +91,8 @@ casegrouper_get_next_group (struct casegrouper *grouper,
 
       writer = autopaging_writer_create (
         casereader_get_proto (grouper->reader));
-      case_ref (group_case);
-      casewriter_write (writer, group_case);
+
+      casewriter_write (writer, case_ref (group_case));
 
       while ((tmp = casereader_peek (grouper->reader, 0)) != NULL
              && grouper->same_group (group_case, tmp, grouper->aux))
@@ -100,6 +100,7 @@ casegrouper_get_next_group (struct casegrouper *grouper,
           case_unref (casereader_read (grouper->reader));
           casewriter_write (writer, tmp);
         }
+      case_unref (tmp);
       case_unref (group_case);
 
       *reader = casewriter_make_reader (writer);