// Copyright(c) 2020 ZettaScale Technology and others
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
// v. 1.0 which is available at
// http://www.eclipse.org/org/documents/edl-v10.php.
//
// SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause

#ifndef DDSRT_IOVEC_H
#define DDSRT_IOVEC_H

#if _WIN32
typedef unsigned ddsrt_iov_len_t;
typedef struct ddsrt_iovec {
  ddsrt_iov_len_t iov_len;
  void *iov_base;
} ddsrt_iovec_t;

// Equivalent to a DWORD
typedef unsigned long ddsrt_msg_iovlen_t;

#else // _WIN32

#if DDSRT_WITH_LWIP
#include <lwip/sockets.h>
#else
#include <stddef.h>
#include <sys/socket.h>
#endif

typedef struct iovec ddsrt_iovec_t;
typedef size_t ddsrt_iov_len_t;

#if defined(__linux) && !LWIP_SOCKET
typedef size_t ddsrt_msg_iovlen_t;
#else /* POSIX says int (which macOS, FreeBSD, Solaris do) */
typedef int ddsrt_msg_iovlen_t;
#endif

#endif // _WIN32

#endif
