//go:build !windows

package console

import "syscall"

// scratchFree is the bytes available to the console on dir's filesystem.
// Bavail times Bsize, multiplied once here (Bsize is int64 on Linux and
// uint32 on darwin, internal/host/statfs_unix.go's note).
func scratchFree(dir string) (int64, error) {
	var st syscall.Statfs_t
	if err := syscall.Statfs(dir, &st); err != nil {
		return 0, err
	}
	return int64(uint64(st.Bavail) * uint64(st.Bsize)), nil
}