#include <stdio.h>

#include <stdarg.h>

extern struct test {

	int failed;

	const char *name;

} test__;

#define error(...) error__(__FILE__, __LINE__, __VA_ARGS__)

static void error__(const char *n, int l, const char *s, ...) {

	va_list ap;

	test__.failed = 1;

	fprintf(stderr, "- ERROR %s at %s:%d: ", test__.name, n, l);

	va_start(ap, s);

	vfprintf(stderr, s, ap);

	va_end(ap);

}