/*-
 * Copyright (c) 2013 The FreeBSD Foundation
 * All rights reserved.
 *
 * This software was developed by Pawel Jakub Dawidek under sponsorship from
 * the FreeBSD Foundation.
 *
 * 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 AUTHORS 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 AUTHORS 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.
 *
 * $FreeBSD$
 */

#ifndef _CAP_SYSCTL_H_
#define	_CAP_SYSCTL_H_

#ifdef HAVE_CASPER
#define	WITH_CASPER
#endif

#include <sys/cdefs.h>

#ifdef WITH_CASPER
#define	CAP_SYSCTL_READ		0x01
#define	CAP_SYSCTL_WRITE	0x02
#define	CAP_SYSCTL_RDWR		(CAP_SYSCTL_READ | CAP_SYSCTL_WRITE)
#define	CAP_SYSCTL_RECURSIVE	0x04

__BEGIN_DECLS

int cap_sysctl(cap_channel_t *chan, const int *name, u_int namelen, void *oldp,
    size_t *oldlenp, const void *newp, size_t newlen);
int cap_sysctlbyname(cap_channel_t *chan, const char *name, void *oldp,
    size_t *oldlenp, const void *newp, size_t newlen);
int cap_sysctlnametomib(cap_channel_t *chan, const char *name, int *mibp,
    size_t *sizep);

struct cap_sysctl_limit;
typedef struct cap_sysctl_limit cap_sysctl_limit_t;

cap_sysctl_limit_t *cap_sysctl_limit_init(cap_channel_t *);
cap_sysctl_limit_t *cap_sysctl_limit_name(cap_sysctl_limit_t *limit,
    const char *name, int flags);
cap_sysctl_limit_t *cap_sysctl_limit_mib(cap_sysctl_limit_t *limit,
    const int *mibp, u_int miblen, int flags);
int cap_sysctl_limit(cap_sysctl_limit_t *limit);

__END_DECLS

#else /* !WITH_CASPER */
#define	cap_sysctl(chan, name, namelen, oldp, oldlenp, newp, newlen)	\
	sysctl((name), (namelen), (oldp), (oldlenp), (newp), (newlen))
#define	cap_sysctlbyname(chan, name, oldp, oldlenp, newp, newlen)	\
	sysctlbyname((name), (oldp), (oldlenp), (newp), (newlen))
#define	cap_sysctlnametomib(chan, name, mibp, sizep)			\
	sysctlnametomib((name), (mibp), (sizep))

#define	cap_sysctl_limit_init(chan)				(NULL)
#define	cap_sysctl_limit_name(limit, name, flags)		(NULL)
#define	cap_sysctl_limit_mib(limit, mibp, miblen, flags)	(NULL)
#define	cap_sysctl_limit(limit)					(0)
#endif /* WITH_CASPER */

#endif /* !_CAP_SYSCTL_H_ */