/*	$OpenBSD: bug.h,v 1.2 2021/07/07 02:38:36 jsg Exp $	*/
/*
 * Copyright (c) 2013, 2014, 2015 Mark Kettenis
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _LINUX_BUG_H
#define _LINUX_BUG_H

#include <sys/types.h>
#include <sys/systm.h>
#include <linux/compiler.h>
#include <linux/build_bug.h>

#define BUG()								\
do {									\
	panic("BUG at %s:%d", __FILE__, __LINE__);			\
} while (0)

#ifndef DIAGNOSTIC
#define BUG_ON(x)	((void)(x))
#else
#define BUG_ON(x)	KASSERT(!(x))
#endif

#define WARN(condition, fmt...) ({ 					\
	int __ret = !!(condition);					\
	if (__ret)							\
		printf(fmt);						\
	unlikely(__ret);						\
})

#define WARN_ONCE(condition, fmt...) ({					\
	static int __warned;						\
	int __ret = !!(condition);					\
	if (__ret && !__warned) {					\
		printf(fmt);						\
		__warned = 1;						\
	}								\
	unlikely(__ret);						\
})

#define _WARN_STR(x) #x

#define WARN_ON(condition) ({						\
	int __ret = !!(condition);					\
	if (__ret)							\
		printf("WARNING %s failed at %s:%d\n",			\
		    _WARN_STR(condition), __FILE__, __LINE__);		\
	unlikely(__ret);						\
})

#define WARN_ON_ONCE(condition) ({					\
	static int __warned;						\
	int __ret = !!(condition);					\
	if (__ret && !__warned) {					\
		printf("WARNING %s failed at %s:%d\n",			\
		    _WARN_STR(condition), __FILE__, __LINE__);		\
		__warned = 1;						\
	}								\
	unlikely(__ret);						\
})

#endif