Replace Syscall with x/sys/unix.IoctlSetWinsize

Author: niten94

go.mod

@@ -2,4 +2,7 @@ module github.com/zyedidia/terminal
 
 go 1.19
 
-require github.com/creack/pty v1.1.18
+require (
+	github.com/creack/pty v1.1.18
+	golang.org/x/sys v0.28.0
+)

go.sum

@@ -1,2 +1,4 @@
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

ioctl_posix.go

@@ -3,32 +3,18 @@
 package terminal
 
 import (
-	"os"
-	"syscall"
-	"unsafe"
+	"golang.org/x/sys/unix"
 )
 
-func ioctl(f *os.File, cmd, p uintptr) error {
-	_, _, errno := syscall.Syscall(
-		syscall.SYS_IOCTL,
-		f.Fd(),
-		syscall.TIOCSWINSZ,
-		p)
-	if errno != 0 {
-		return syscall.Errno(errno)
-	}
-	return nil
-}
-
 func (t *VT) ptyResize() error {
 	if t.pty == nil {
 		return nil
 	}
-	var w struct{ row, col, xpix, ypix uint16 }
-	w.row = uint16(t.dest.rows)
-	w.col = uint16(t.dest.cols)
-	w.xpix = 16 * uint16(t.dest.cols)
-	w.ypix = 16 * uint16(t.dest.rows)
-	return ioctl(t.pty, syscall.TIOCSWINSZ,
-		uintptr(unsafe.Pointer(&w)))
+	w := &unix.Winsize{
+		Row:    uint16(t.dest.rows),
+		Col:    uint16(t.dest.cols),
+		Xpixel: 16 * uint16(t.dest.cols),
+		Ypixel: 16 * uint16(t.dest.rows),
+	}
+	return unix.IoctlSetWinsize(int(t.pty.Fd()), unix.TIOCSWINSZ, w)
 }