| // +build !windows,!plan9 | |
| 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 | |
| } |