/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2002 Doug Rabson
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 */


#ifndef NO_COMPAT7
#define _WANT_SEMUN_OLD
#endif
#define _WANT_SEMUN

#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <stdarg.h>
#include <stdlib.h>

int     __semctl(int semid, int semnum, int cmd, union semun *arg);
#ifndef NO_COMPAT7
int     freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg);
int     freebsd7_semctl(int semid, int semnum, int cmd, ...);
#endif

int
semctl(int semid, int semnum, int cmd, ...)
{
        va_list ap;
        union semun semun;
        union semun *semun_ptr;

        va_start(ap, cmd);
        if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
            || cmd == SETVAL || cmd == SETALL) {
                semun = va_arg(ap, union semun);
                semun_ptr = &semun;
        } else {
                semun_ptr = NULL;
        }
        va_end(ap);

        return (__semctl(semid, semnum, cmd, semun_ptr));
}

#ifndef NO_COMPAT7
int
freebsd7_semctl(int semid, int semnum, int cmd, ...)
{
        va_list ap;
        union semun_old semun;
        union semun_old *semun_ptr;

        va_start(ap, cmd);
        if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
            || cmd == SETVAL || cmd == SETALL) {
                semun = va_arg(ap, union semun_old);
                semun_ptr = &semun;
        } else {
                semun_ptr = NULL;
        }
        va_end(ap);

        return (freebsd7___semctl(semid, semnum, cmd, semun_ptr));
}

__sym_compat(semctl, freebsd7_semctl, FBSD_1.0);
#endif