35 lines
682 B
C
35 lines
682 B
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-08-16 Meco Man first version
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*/
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#include <rtthread.h>
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#include <unistd.h>
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#include <sys/errno.h>
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int isatty(int fd)
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{
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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if(fd == STDOUT_FILENO || fd == STDERR_FILENO)
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{
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return 1;
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}
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#endif /* defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE) */
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#ifdef RT_USING_POSIX_STDIO
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if(fd == STDIN_FILENO)
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{
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return 1;
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}
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#endif /* RT_USING_POSIX_STDIO */
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rt_set_errno(ENOTTY);
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return 0;
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}
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RTM_EXPORT(isatty);
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