--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwlib/lw_error.c	Wed Jan 19 22:27:17 2011 -0700
@@ -0,0 +1,46 @@
+/*
+lw_error.c
+
+Copyright © 2010 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS 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 3 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.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define ___lw_error_c_seen___
+#include "lw_error.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+static void (*lw_error_func)(const char *fmt, ...) = NULL;
+
+void lw_error(const char *fmt, ...)
+{
+	va_list args;
+	va_start(args, fmt);
+	if (lw_error_func)
+		(*lw_error_func)(fmt, args);
+	else
+		vfprintf(stderr, fmt, args);
+	va_end(args);
+	exit(1);
+}
+
+void lw_error_setfunc(void (*f)(const char *fmt, ...))
+{
+	lw_error_func = f;
+}