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15b10f9e8e
This is a portable version of POSIX's isatty(). Windows has its own version, called _isatty(). UHD thus gains its own, portable version. The underscores aren't beautiful, but they're necessary so we can distinguish the POSIX version from the UHD version.
55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
//
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// Copyright 2019 Ettus Research, a National Instruments Brand
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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#ifndef INCLUDED_UHDLIB_UTILS_ISATTY_HPP
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#define INCLUDED_UHDLIB_UTILS_ISATTY_HPP
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#include <uhd/config.hpp>
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namespace uhd {
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#ifdef UHD_PLATFORM_WIN32
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# include <io.h>
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/*! Portable version of isatty()
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*
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* We call it is_a_tty() to distinguish from the from the POSIX version.
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* Also, we simply return a Boolean since the Windows version doesn't set
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* errno.
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*/
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bool is_a_tty(const int fd)
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{
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return _isatty(fd);
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}
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#elif _POSIX_C_SOURCE >= _200112L
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# include <unistd.h>
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/*! Portable version of isatty()
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*
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* We call it is_a_tty() to distinguish from the from the POSIX version.
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* Also, we simply return a Boolean since the Windows version doesn't set
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* errno.
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*/
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bool is_a_tty(const int fd)
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{
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return isatty(fd);
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}
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#else
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bool is_a_tty(const int fd)
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{
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return false;
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}
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#endif
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} /* namespace uhd */
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#endif /* INCLUDED_UHDLIB_UTILS_ISATTY_HPP */
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