//! Test whether a given `std::ostream` object refers to
//! a terminal.
inline
bool is_atty(const std::ostream& stream)
{
FILE* std_stream = get_standard_stream(stream);
#if defined(OS_MACOS) || defined(OS_LINUX)
return ::isatty(fileno(std_stream));
#elif defined(OS_WINDOWS)
return ::_isatty(_fileno(std_stream));
#endif
}
//! Test whether a given `std::ostream` object refers to
//! a terminal.
inline
bool is_atty(const std::ostream& stream)
{
FILE* std_stream = get_standard_stream(stream);
// Unfortunately, fileno() ends with segmentation fault
// if invalid file descriptor is passed. So we need to
// handle this case gracefully and assume it's not a tty
// if standard stream is not detected, and 0 is returned.
if (!std_stream)
return false;
#if defined(TERMCOLOR_OS_MACOS) || defined(TERMCOLOR_OS_LINUX)
return ::isatty(fileno(std_stream));
#elif defined(TERMCOLOR_OS_WINDOWS)
return ::_isatty(_fileno(std_stream));
#endif
}
