56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/****************************************************************************
|
|
* libs/libc/stdio/lib_fileno.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
|
|
#ifdef CONFIG_FILE_STREAM
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
int fileno(FAR FILE *stream)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (stream)
|
|
{
|
|
ret = stream->fs_fd;
|
|
}
|
|
|
|
if (ret < 0)
|
|
{
|
|
set_errno(EBADF);
|
|
return ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_FILE_STREAM */
|