//go:build !windows

package main

import "syscall"

// 返回指定路径所在磁盘的剩余和总容量（字节）
func diskSpace(path string) (free, total uint64, err error) {
	var st syscall.Statfs_t
	if err = syscall.Statfs(path, &st); err != nil {
		return 0, 0, err
	}
	bsize := uint64(st.Bsize)
	return st.Bavail * bsize, st.Blocks * bsize, nil
}