/*      $NetBSD: sysv_msg_50.c,v 1.5 2019/12/15 16:48:26 tsutsui Exp $  */

/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysv_msg_50.c,v 1.5 2019/12/15 16:48:26 tsutsui Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/signal.h>
#include <sys/proc.h>
#include <sys/msg.h>

#include <compat/sys/msg.h>

#ifndef SYSVMSG
#define SYSVMSG
#endif

#include <sys/syscallargs.h>

int
compat_50_sys___msgctl13(struct lwp *l, const struct compat_50_sys___msgctl13_args *uap, register_t *retval)
{
       /* {
               syscallarg(int) msqid;
               syscallarg(int) cmd;
               syscallarg(struct msqid_ds13 *) buf;
       } */
       struct msqid_ds msqbuf;
       struct msqid_ds13 omsqbuf;
       int cmd, error;

       cmd = SCARG(uap, cmd);

       if (cmd == IPC_SET) {
               error = copyin(SCARG(uap, buf), &omsqbuf, sizeof(omsqbuf));
               if (error)
                       return (error);
               __msqid_ds13_to_native(&omsqbuf, &msqbuf);
       }

       error = msgctl1(l, SCARG(uap, msqid), cmd,
           (cmd == IPC_SET || cmd == IPC_STAT) ? &msqbuf : NULL);

       if (error == 0 && cmd == IPC_STAT) {
               __native_to_msqid_ds13(&msqbuf, &omsqbuf);
               error = copyout(&omsqbuf, SCARG(uap, buf), sizeof(omsqbuf));
       }

       return (error);
}