| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package disk |
| |
| import ( |
| "syscall" |
| |
| "chromiumos/tast/errors" |
| ) |
| |
| // FreeSpace returns the number of free bytes available at a specific path |
| func FreeSpace(path string) (uint64, error) { |
| var stat syscall.Statfs_t |
| if err := syscall.Statfs(path, &stat); err != nil { |
| return 0, errors.Wrapf(err, "failed to get disk stats for %s", path) |
| } |
| |
| return stat.Bavail * uint64(stat.Bsize), nil |
| } |
