+notmuch_status_t
+notmuch_config_get_bool (notmuch_database_t *notmuch, notmuch_config_key_t key, notmuch_bool_t *val)
+{
+ const char *key_string, *val_string;
+
+ key_string = _notmuch_config_key_to_string (key);
+ if (! key_string) {
+ return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
+ }
+
+ val_string = _notmuch_string_map_get (notmuch->config, key_string);
+ if (! val_string) {
+ *val = FALSE;
+ return NOTMUCH_STATUS_SUCCESS;
+ }
+
+ if (strcase_equal (val_string, "false") || strcase_equal (val_string, "no"))
+ *val = FALSE;
+ else if (strcase_equal (val_string, "true") || strcase_equal (val_string, "yes"))
+ *val = TRUE;
+ else
+ return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+