#include <stdio.h>

#include <stdarg.h>

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

/* TODO: not thread-safe nor fork-safe */

static int test_status;

static int test_error(const char *n, int l, const char *s, ...)

{

	va_list ap;

	if (test_status == 0)

		printf("FAIL\n");

	test_status = 1;

	printf(" ERROR %s:%d: ", n, l);

	va_start(ap, s);

	vprintf(s, ap);

	va_end(ap);

	return -1;

}