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// +build linux darwin freebsd
package pb
import (
"runtime"
"syscall"
"unsafe"
)
const (
TIOCGWINSZ = 0x5413
TIOCGWINSZ_OSX = 1074295912
)
func bold(str string) string {
return "\033[1m" + str + "\033[0m"
}
func terminalWidth() (int, error) {
w := new(window)
tio := syscall.TIOCGWINSZ
if runtime.GOOS == "darwin" {
tio = TIOCGWINSZ_OSX
}
res, _, err := syscall.Syscall(syscall.SYS_IOCTL,
uintptr(syscall.Stdin),
uintptr(tio),
uintptr(unsafe.Pointer(w)),
)
if int(res) == -1 {
return 0, err
}
return int(w.Col), nil
}
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