blob: 5b087124585a13fd436e671875249835382272c2 [file] [log] [blame]
#/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* 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.
*/
/**
* @file
* This header file defines BSD socket API functions which for various
* reasons have not (yet) been implemented or exposed in Zephyr.
*/
#ifndef INET_ZEPHYR_SOCKET_H
#define INET_ZEPHYR_SOCKET_H
#include <sys/socket.h>
static inline ssize_t recvmsg(int sock, struct msghdr * msg, int flags)
{
// Zephyr doesn't implement recvmsg at all, but if the message vector size is > 0 we can simply
// translate recvmsg to recvfrom which fills only the first of the provided buffers (although
// we don't get control messages in such a case).
if (msg->msg_iovlen < 1)
{
errno = EMSGSIZE;
return -1;
}
ssize_t ret = recvfrom(sock, msg->msg_iov[0].iov_base, msg->msg_iov[0].iov_len, flags, static_cast<sockaddr *>(msg->msg_name),
&msg->msg_namelen);
if (ret >= 0)
msg->msg_controllen = 0;
return ret;
}
#endif // INET_ZEPHYR_SOCKET_H