peridot/vendor/github.com/vbauerster/mpb/v7/cwriter/writer_posix.go

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2022-07-07 20:11:50 +00:00
// +build !windows
package cwriter
import (
"golang.org/x/sys/unix"
)
func (w *Writer) clearLines() error {
return w.ansiCuuAndEd()
}
// GetSize returns the dimensions of the given terminal.
func GetSize(fd int) (width, height int, err error) {
ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
if err != nil {
return -1, -1, err
}
return int(ws.Col), int(ws.Row), nil
}
// IsTerminal returns whether the given file descriptor is a terminal.
func IsTerminal(fd int) bool {
_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
return err == nil
}