usr/src/sys/kern/kern_xxx.c

/*
 * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *      @(#)kern_xxx.c  7.17 (Berkeley) 4/20/91
 */

#include "param.h"
#include "systm.h"
#include "kernel.h"
#include "proc.h"
#include "reboot.h"

/* ARGSUSED */
gethostid(p, uap, retval)
        struct proc *p;
        void *uap;
        long *retval;
{

        *retval = hostid;
        return (0);
}

/* ARGSUSED */
sethostid(p, uap, retval)
        struct proc *p;
        struct args {
                long    hostid;
        } *uap;
        int *retval;
{
        int error;

        if (error = suser(p->p_ucred, &p->p_acflag))
                return (error);
        hostid = uap->hostid;
        return (0);
}

/* ARGSUSED */
gethostname(p, uap, retval)
        struct proc *p;
        struct args {
                char    *hostname;
                u_int   len;
        } *uap;
        int *retval;
{

        if (uap->len > hostnamelen + 1)
                uap->len = hostnamelen + 1;
        return (copyout((caddr_t)hostname, (caddr_t)uap->hostname, uap->len));
}

/* ARGSUSED */
sethostname(p, uap, retval)
        struct proc *p;
        register struct args {
                char    *hostname;
                u_int   len;
        } *uap;
        int *retval;
{
        int error;

        if (error = suser(p->p_ucred, &p->p_acflag))
                return (error);
        if (uap->len > sizeof (hostname) - 1)
                return (EINVAL);
        hostnamelen = uap->len;
        error = copyin((caddr_t)uap->hostname, hostname, uap->len);
        hostname[hostnamelen] = 0;
        return (error);
}

/* ARGSUSED */
reboot(p, uap, retval)
        struct proc *p;
        struct args {
                int     opt;
        } *uap;
        int *retval;
{
        int error;

        if (error = suser(p->p_ucred, &p->p_acflag))
                return (error);
        boot(uap->opt);
        return (0);
}

#ifdef COMPAT_43
oquota()
{

        return (ENOSYS);
}
#endif