vendor/github.com/hashicorp/go-sockaddr/cmd/sockaddr/vendor/github.com/mattn/go-isatty/isatty_linux.go


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// +build linux
// +build !appengine

package isatty

import (
	"syscall"
	"unsafe"
)

const ioctlReadTermios = syscall.TCGETS

// IsTerminal return true if the file descriptor is terminal.
func IsTerminal(fd uintptr) bool {
	var termios syscall.Termios
	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
	return err == 0
}