rt-thread/components/libc/compilers/common/cunistd.c

35 lines
682 B
C
Raw Normal View History

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