AUTORECODE: Do not create value labels when they would be empty.

[pspp] / src / language / stats / autorecode.c

diff --git a/src/language/stats/autorecode.c b/src/language/stats/autorecode.c
index e5ab8070d7499c7fa6ba2fe2afc86ae19cec67e1..66afb13afaba92e5df8791048292b279539c98ce 100644 (file)
--- a/src/language/stats/autorecode.c
+++ b/src/language/stats/autorecode.c
@@ -324,9 +324,12 @@ cmd_autorecode (struct lexer *lexer, struct dataset *ds)
           while (len > 0 && recoded_value[len - 1] == ' ')
             recoded_value[--len] = '\0';
 
-         /* Add value label. */
-         union value to_val = { .f = items[j]->to };
-         var_add_value_label (spec->dst, &to_val, recoded_value);
+         /* Add value label, if it would be nonempty. */
+         if (len)
+           {
+             union value to_val = { .f = items[j]->to };
+             var_add_value_label (spec->dst, &to_val, recoded_value);
+           }
          free (recoded_value);
        }