// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
//
// 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.

#include <sys/select.h>
#include "esp_vfs.h"
#include "sdkconfig.h"

#ifdef CONFIG_USE_ONLY_LWIP_SELECT
#include "lwip/sockets.h"
#endif

int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *timeout)
{
#ifdef CONFIG_USE_ONLY_LWIP_SELECT
    return lwip_select(nfds, readfds, writefds, errorfds, timeout);
#else
    return esp_vfs_select(nfds, readfds, writefds, errorfds, timeout);
#endif
}