degesch: add config_item_string_from_cstr()

common.c

@@ -1137,6 +1137,17 @@ config_item_string (const struct str *s)
 	return self;
 }
 
+static struct config_item_ *
+config_item_string_from_cstr (const char *s)
+{
+	struct str tmp;
+	str_init (&tmp);
+	str_append (&tmp, s);
+	struct config_item_ *self = config_item_string (&tmp);
+	str_free (&tmp);
+	return self;
+}
+
 static struct config_item_ *
 config_item_string_array (const struct str *s)
 {