dfc70b1ddb
Use lib_get_stream() to fetch stdin/stdout/stderr, since is more easy to works with other language by function call than export native C structure memory layout. Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/****************************************************************************
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* libs/libc/stdio/lib_libgetstreams.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <nuttx/tls.h>
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#ifdef CONFIG_FILE_STREAM
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lib_get_streams
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*
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* Description:
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* Return a pointer to the streams list for this thread
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* A pointer to the errno.
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*
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* Assumptions:
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*
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****************************************************************************/
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FAR struct streamlist *lib_get_streams(void)
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{
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FAR struct task_info_s *info;
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info = task_get_info();
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return &info->ta_streamlist;
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}
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/****************************************************************************
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* Name: lib_get_stream
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*
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* Description:
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* Return a pointer to the file stream for this thread and given fd。
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* Note: only reserved fd number 0/1/2 is valid.
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*
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****************************************************************************/
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FAR struct file_struct *lib_get_stream(int fd)
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{
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return &lib_get_streams()->sl_std[fd];
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}
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#endif /* CONFIG_FILE_STREAM */
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