+static const struct pivot_table_look *
+default_look (const struct pivot_table_look *new)
+{
+ static struct pivot_table_look *look;
+ if (new)
+ {
+ pivot_table_look_unref (look);
+ look = pivot_table_look_ref (new);
+ }
+ else if (!look)
+ {
+ char *error = pivot_table_look_read ("default.stt", &look);
+ if (error)
+ look = pivot_table_look_ref (pivot_table_look_builtin_default ());
+ }
+ return look;
+}
+
+const struct pivot_table_look *
+pivot_table_look_get_default (void)
+{
+ return default_look (NULL);
+}
+
+void
+pivot_table_look_set_default (const struct pivot_table_look *look)
+{
+ default_look (look);
+}
+
+char * WARN_UNUSED_RESULT
+pivot_table_look_read (const char *name, struct pivot_table_look **lookp)
+{
+ *lookp = NULL;
+
+ /* Construct search path. */
+ const char *path[4];
+ size_t n = 0;
+ path[n++] = ".";
+ const char *home = getenv ("HOME");
+ if (home != NULL)
+ path[n++] = xasprintf ("%s/.pspp/looks", home);
+ char *allocated;
+ path[n++] = relocate2 (PKGDATADIR "/looks", &allocated);
+ path[n++] = NULL;
+
+ /* Search path. */
+ char *file = fn_search_path (name, (char **) path);
+ if (!file)
+ {
+ char *name2 = xasprintf ("%s.stt", name);
+ file = fn_search_path (name2, (char **) path);
+ free (name2);
+ }
+ free (allocated);
+ if (!file)
+ return xasprintf ("%s: not found", name);
+
+ /* Read file. */
+ char *error = spv_table_look_read (file, lookp);
+ free (file);
+ return error;
+}
+