traefik/vendor/github.com/Sirupsen/logrus/terminal_solaris.go

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// +build solaris,!appengine
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package logrus
import (
"io"
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"os"
"golang.org/x/sys/unix"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
switch v := f.(type) {
case *os.File:
_, err := unix.IoctlGetTermios(int(v.Fd()), unix.TCGETA)
return err == nil
default:
return false
}
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}