1 files changed, 29 insertions, 0 deletions
diff --git a/src/lisp/ao_lisp_error.c b/src/lisp/ao_lisp_error.c
new file mode 100644
index 00000000..ea8111d9
--- /dev/null
+++ b/src/lisp/ao_lisp_error.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright © 2016 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include "ao_lisp.h"
+#include <stdarg.h>
+
+ao_poly
+ao_lisp_error(int error, char *format, ...)
+{
+	va_list	args;
+
+	ao_lisp_exception |= error;
+	va_start(args, format);
+	vprintf(format, args);
+	va_end(args);
+	printf("\n");
+	return AO_LISP_NIL;
+}