/*
 * Copyright 2014 MongoDB, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef MONGOC_IOVEC_H
#define MONGOC_IOVEC_H


#include <bson.h>

#ifdef _WIN32
#include <stddef.h>
#else
#include <sys/uio.h>
#endif

BSON_BEGIN_DECLS


#ifdef _WIN32
typedef struct {
   u_long iov_len;
   char *iov_base;
} mongoc_iovec_t;

BSON_STATIC_ASSERT2 (sizeof_iovect_t,
                     sizeof (mongoc_iovec_t) == sizeof (WSABUF));
BSON_STATIC_ASSERT2 (offsetof_iovec_base,
                     offsetof (mongoc_iovec_t, iov_base) ==
                     offsetof (WSABUF, buf));
BSON_STATIC_ASSERT2 (offsetof_iovec_len,
                     offsetof (mongoc_iovec_t, iov_len) ==
                     offsetof (WSABUF, len));

#else
typedef struct iovec mongoc_iovec_t;
#endif


BSON_END_DECLS


#endif /* MONGOC_IOVEC_H */
