clamav/common/fdpassing.h

/*
 *  Copyright (C) 2013-2025 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 *  Copyright (C) 2009-2013 Sourcefire, Inc.
 *
 *  Authors: Török Edvin
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA 02110-1301, USA.
 */
#ifndef FDPASSING_H
#define FDPASSING_H

#ifdef HAVE_FD_PASSING

#ifdef FDPASS_NEED_XOPEN
/* to expose BSD 4.4/Unix98 semantics instead of BSD 4.3 semantics */
#define _XOPEN_SOURCE 500
#endif

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/uio.h>

/* Solaris 8 */
#if !defined CMSG_SPACE || !defined CMSG_LEN
#ifndef ALIGN
#define ALIGN(len) len
#endif

#ifndef CMSG_SPACE
#define CMSG_SPACE(len) (ALIGN(sizeof(struct cmsghdr)) + ALIGN(len))
#endif

#ifndef CMSG_LEN
#define CMSG_LEN(len) (ALIGN(sizeof(struct cmsghdr)) + len)
#endif
#endif

#endif
#endif