NetBSD/tests/h_macros.h

/* $NetBSD: h_macros.h,v 1.2 2009/04/14 10:19:38 pooka Exp $ */

/*-
 * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#if defined(_H_MACROS_H_)
#   error "h_macros.h can only be included once."
#else
#   define _H_MACROS_H_
#endif

#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#include <atf-c.h>

#define REQUIRE_LIBC(x, v) \
	ATF_REQUIRE_MSG((x) != (v), "%s: %s", #x, strerror(errno))

#define CHECK_LIBC(x, v) \
	ATF_CHECK_MSG((x) != (v), "%s: %s", #x, strerror(errno))

#define RL(x) REQUIRE_LIBC(x, -1)

static __inline void
atf_tc_fail_errno(const char *fmt, ...)
{
	va_list ap;
	char buf[1024];
	int sverrno = errno;

	va_start(ap, fmt);
	vsnprintf(buf, sizeof(buf), fmt, ap);
	va_end(ap);

	strlcat(buf, ": ", sizeof(buf));
	strlcat(buf, strerror(sverrno), sizeof(buf));

	atf_tc_fail(buf);
}