X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fdata-io%2Ftrim.c;h=b9983ef49ef34c2cee318089ac62a2e85158d78c;hb=0fc606c52d7cec253af9b7463b15baabfbc9a33a;hp=2ef085e796c08d2e94ca905f94d0ec2b75fd73b5;hpb=3ce390ce7cbbcf38b7e6d5ddd6426deaf73135ba;p=pspp

diff --git a/src/language/data-io/trim.c b/src/language/data-io/trim.c
index 2ef085e796..b9983ef49e 100644
--- a/src/language/data-io/trim.c
+++ b/src/language/data-io/trim.c
@@ -302,6 +302,12 @@ parse_dict_keep (struct lexer *lexer, struct dictionary *dict)
   dict_reorder_vars (dict, v, nv);
 
   /* Delete the remaining variables. */
+  if (dict_get_var_cnt (dict) == nv)
+    {
+      free (v);
+      return true;
+    }
+
   v = xnrealloc (v, dict_get_var_cnt (dict) - nv, sizeof *v);
   for (i = nv; i < dict_get_var_cnt (dict); i++)
     v[i - nv] = dict_get_var (dict, i);