don't try to copy in/out size if not requested in getkerninfo (hibler)

[unix-history] / usr / src / sys / kern / kern_xxx.c

/*
* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*
*      @(#)kern_xxx.c  7.21 (Berkeley) %G%
*/

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/sysctl.h>

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

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

#ifdef COMPAT_43

extern long hostid;

struct gethostid_args {
       int     dummy;
};
/* ARGSUSED */
gethostid(p, uap, retval)
       struct proc *p;
       struct gethostid_args *uap;
       int *retval;
{

       *(long *)retval = hostid;
       return (0);
}

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

}

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

       name = KERN_HOSTNAME;
       return (kern_sysctl(&name, 1, uap->hostname, &uap->len, 0, 0));
}

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

       name = KERN_HOSTNAME;
       return (kern_sysctl(&name, 1, 0, 0, uap->hostname, uap->len));
}

oquota()
{

       return (ENOSYS);
}
#endif /* COMPAT_43 */