Change how checking for missing values works.

[pspp] / src / data / mdd-writer.c

diff --git a/src/data/mdd-writer.c b/src/data/mdd-writer.c
index 3fd651eb01afb2aafbdadf1754e9a1edc8a9f0f7..b025e693b4625c572ac08beda09d691206ade99c 100644 (file)
--- a/src/data/mdd-writer.c
+++ b/src/data/mdd-writer.c
@@ -405,10 +405,9 @@ write_variable_section (xmlTextWriter *writer, const struct variable *var, int i
 
              XXX only checking "user" here because not sure of correct other
              cases. */
-          if (var_is_value_missing (var, value, MV_USER))
-            write_attr (writer, "missing", "user");
-          else if (var_is_value_missing (var, value, MV_SYSTEM))
-            write_attr (writer, "missing", "system");
+          enum mv_class miss = var_is_value_missing (var, value);
+          if (miss)
+            write_attr (writer, "missing", miss == MV_USER ? "user" : "system");
 
           /* <properties/> */
           xmlTextWriterStartElement (writer, _xml ("properties"));