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Make the Go example for getting window size complete

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Kovid Goyal 2023-08-25 13:00:26 +05:30
parent 0fe4d6462b
commit 1cb4cdbaea
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GPG key ID: 06BC317B515ACE7C
1 changed files with 22 additions and 4 deletions
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26
docs/graphics-protocol.rst
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@ -97,10 +97,28 @@ code to demonstrate its use
.. code-block:: go
import "golang.org/x/sys/unix"
fd, err := unix.Open(fd, unix.O_NOCTTY|unix.O_CLOEXEC|unix.O_NDELAY|unix.O_RDWR, 0666)
sz, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
fmt.Println("rows: %v columns: %v width: %v height %v", sz.Row, sz.Col, sz.Xpixel, sz.Ypixel)
package main
import (
"fmt"
"os"
"golang.org/x/sys/unix"
)
func main() {
var err error
var f *os.File
if f, err = os.OpenFile("/dev/tty", unix.O_NOCTTY|unix.O_CLOEXEC|unix.O_NDELAY|unix.O_RDWR, 0666); err == nil {
var sz *unix.Winsize
if sz, err = unix.IoctlGetWinsize(int(f.Fd()), unix.TIOCGWINSZ); err == nil {
fmt.Printf("rows: %v columns: %v width: %v height %v\n", sz.Row, sz.Col, sz.Xpixel, sz.Ypixel)
return
}
}
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
.. tab:: Bash