X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fdata-io%2Ftrim.c;h=4616b431d22cb1303810e8679899514d0589f5bb;hb=af8622f11c920a03269ad489617d86bfd568b287;hp=2ef085e796c08d2e94ca905f94d0ec2b75fd73b5;hpb=3ce390ce7cbbcf38b7e6d5ddd6426deaf73135ba;p=pspp

diff --git a/src/language/data-io/trim.c b/src/language/data-io/trim.c
index 2ef085e796..4616b431d2 100644
--- a/src/language/data-io/trim.c
+++ b/src/language/data-io/trim.c
@@ -276,7 +276,7 @@ parse_dict_drop (struct lexer *lexer, struct dictionary *dict)
   dict_delete_vars (dict, v, nv);
   free (v);
 
-  if (dict_get_var_cnt (dict) == 0)
+  if (dict_get_n_vars (dict) == 0)
     {
       msg (SE, _("Cannot DROP all variables from dictionary."));
       return false;
@@ -302,10 +302,16 @@ parse_dict_keep (struct lexer *lexer, struct dictionary *dict)
   dict_reorder_vars (dict, v, nv);
 
   /* Delete the remaining variables. */
-  v = xnrealloc (v, dict_get_var_cnt (dict) - nv, sizeof *v);
-  for (i = nv; i < dict_get_var_cnt (dict); i++)
+  if (dict_get_n_vars (dict) == nv)
+    {
+      free (v);
+      return true;
+    }
+
+  v = xnrealloc (v, dict_get_n_vars (dict) - nv, sizeof *v);
+  for (i = nv; i < dict_get_n_vars (dict); i++)
     v[i - nv] = dict_get_var (dict, i);
-  dict_delete_vars (dict, v, dict_get_var_cnt (dict) - nv);
+  dict_delete_vars (dict, v, dict_get_n_vars (dict) - nv);
   free (v);
 
   return true;