mirror of https://github.com/docker/cli.git
36 lines
879 B
Go
36 lines
879 B
Go
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//go:build !windows
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// +build !windows
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package pty
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import (
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"os"
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"syscall"
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"unsafe"
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)
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// Winsize describes the terminal size.
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type Winsize struct {
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Rows uint16 // ws_row: Number of rows (in cells)
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Cols uint16 // ws_col: Number of columns (in cells)
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X uint16 // ws_xpixel: Width in pixels
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Y uint16 // ws_ypixel: Height in pixels
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}
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// Setsize resizes t to s.
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func Setsize(t *os.File, ws *Winsize) error {
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//nolint:gosec // Expected unsafe pointer for Syscall call.
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return ioctl(t.Fd(), syscall.TIOCSWINSZ, uintptr(unsafe.Pointer(ws)))
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}
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// GetsizeFull returns the full terminal size description.
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func GetsizeFull(t *os.File) (size *Winsize, err error) {
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var ws Winsize
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//nolint:gosec // Expected unsafe pointer for Syscall call.
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if err := ioctl(t.Fd(), syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws))); err != nil {
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return nil, err
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}
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return &ws, nil
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}
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