tty.cpp

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/*
* cpp-terminal
* C++ library for writing multi-platform terminal applications.
*
* SPDX-FileCopyrightText: 2019-2024 cpp-terminal
*
* SPDX-License-Identifier: MIT
*/
 
#include <cstdio>
 
#ifdef _WIN32
  #include <io.h>
#else
  #include <unistd.h>
#endif
 
#include "cpp-terminal/tty.hpp"
 
namespace
{
bool is_a_tty(const FILE* fd)
{
#ifdef _WIN32
  return static_cast<bool>(_isatty(_fileno(const_cast<FILE*>(fd))));
#else
  return ::isatty(::fileno(const_cast<FILE*>(fd)));
#endif
}
}  // namespace
 
bool Term::is_stdin_a_tty() { return ::is_a_tty(stdin); }
 
bool Term::is_stdout_a_tty() { return ::is_a_tty(stdout); }
 
bool Term::is_stderr_a_tty() { return ::is_a_tty(stderr); }