// +build !windows,!plan9,!solaris | |
package flags | |
import ( | |
"syscall" | |
"unsafe" | |
) | |
type winsize struct { | |
row, col uint16 | |
xpixel, ypixel uint16 | |
} | |
func getTerminalColumns() int { | |
ws := winsize{} | |
if tIOCGWINSZ != 0 { | |
syscall.Syscall(syscall.SYS_IOCTL, | |
uintptr(0), | |
uintptr(tIOCGWINSZ), | |
uintptr(unsafe.Pointer(&ws))) | |
return int(ws.col) | |
} | |
return 80 | |
} |