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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#pragma once
#include <uhd/config.hpp>
#include <uhdlib/utils/narrow.hpp>
namespace uhd {
#ifdef UHD_PLATFORM_WIN32
# include <io.h>
/*! Portable version of isatty()
*
* We call it is_a_tty() to distinguish from the from the POSIX version.
* Also, we simply return a Boolean since the Windows version doesn't set
* errno.
*/
bool is_a_tty(const int fd)
{
return uhd::narrow_cast<bool>(_isatty(fd));
}
#elif _POSIX_C_SOURCE >= _200112L
# include <unistd.h>
/*! Portable version of isatty()
*
* We call it is_a_tty() to distinguish from the from the POSIX version.
* Also, we simply return a Boolean since the Windows version doesn't set
* errno.
*/
bool is_a_tty(const int fd)
{
return isatty(fd);
}
#else
bool is_a_tty(const int fd)
{
return false;
}
#endif
} /* namespace uhd */
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