27 lines
385 B
Go
27 lines
385 B
Go
package main
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
type winsize struct {
|
|
Row uint16
|
|
Col uint16
|
|
Xpixel uint16
|
|
Ypixel uint16
|
|
}
|
|
|
|
func getWidth() uint {
|
|
ws := &winsize{}
|
|
retCode, _, errno := syscall.Syscall(syscall.SYS_IOCTL,
|
|
uintptr(syscall.Stdin),
|
|
uintptr(syscall.TIOCGWINSZ),
|
|
uintptr(unsafe.Pointer(ws)))
|
|
|
|
if int(retCode) == -1 {
|
|
panic(errno)
|
|
}
|
|
return uint(ws.Col)
|
|
}
|