incubator-nuttx/libs/libc/stdio/lib_libgetstreams.c

76 lines
2.4 KiB
C

/****************************************************************************
* libs/libc/stdio/lib_libgetstreams.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 <assert.h>
#include <nuttx/tls.h>
#include <nuttx/lib/lib.h>
#ifdef CONFIG_FILE_STREAM
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: lib_get_streams
*
* Description:
* Return a pointer to the streams list for this thread
*
* Input Parameters:
* None
*
* Returned Value:
* A pointer to the errno.
*
* Assumptions:
*
****************************************************************************/
FAR struct streamlist *lib_get_streams(void)
{
FAR struct task_info_s *info;
info = task_get_info();
return &info->ta_streamlist;
}
/****************************************************************************
* Name: lib_get_stream
*
* Description:
* Return a pointer to the file stream for this thread and given fd.
* Note: only reserved fd number 0/1/2 is valid.
*
****************************************************************************/
FAR struct file_struct *lib_get_stream(int fd)
{
return &lib_get_streams()->sl_std[fd];
}
#endif /* CONFIG_FILE_STREAM */