X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fmeans.c;h=888a6a75836707f71564816ab6a15da2b8db8835;hb=4c5964204338f984c093f7905ce491ad8923e910;hp=c048161ca1bfda424298884664d45e2edc8e8639;hpb=e0bcf133ab9091a2fa5227d2767651d8ec58caef;p=pspp

diff --git a/src/language/stats/means.c b/src/language/stats/means.c
index c048161ca1..888a6a7583 100644
--- a/src/language/stats/means.c
+++ b/src/language/stats/means.c
@@ -827,6 +827,22 @@ struct per_cat_data
   bool warn;
 };
 
+
+static void 
+destroy_n (const void *aux1 UNUSED, void *aux2, void *user_data)
+{
+  struct mtable *table = aux2;
+  int v;
+  struct per_cat_data *per_cat_data = user_data;
+  struct per_var_data *pvd = per_cat_data->pvd;
+
+  for (v = 0; v < table->n_dep_vars; ++v)
+    {
+      struct per_var_data *pp = &pvd[v];
+      moments1_destroy (pp->mom);
+    }
+}
+
 static void *
 create_n (const void *aux1, void *aux2)
 {
@@ -939,6 +955,7 @@ run_means (struct means *cmd, struct casereader *input,
   payload.create = create_n;
   payload.update = update_n;
   payload.calculate = calculate_n;
+  payload.destroy = destroy_n;
   
   for (t = 0; t < cmd->n_tables; ++t)
   {
@@ -950,7 +967,7 @@ run_means (struct means *cmd, struct casereader *input,
     categoricals_set_payload (table->cats, &payload, cmd, table);
   }
 
-  for (reader = casereader_clone (input);
+  for (reader = input;
        (c = casereader_read (reader)) != NULL; case_unref (c))
     {
       for (t = 0; t < cmd->n_tables; ++t)