github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal/vfs/disk_usage_windows.go (about)

     1  // Copyright 2021 The Bitalosdb author(hustxrb@163.com) and other contributors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build windows
    16  
    17  package vfs
    18  
    19  import "golang.org/x/sys/windows"
    20  
    21  func (defaultFS) GetDiskUsage(path string) (DiskUsage, error) {
    22  	p, err := windows.UTF16PtrFromString(path)
    23  	if err != nil {
    24  		return DiskUsage{}, err
    25  	}
    26  	var freeBytes uint64
    27  	du := DiskUsage{}
    28  	err = windows.GetDiskFreeSpaceEx(p, &du.AvailBytes, &du.TotalBytes, &freeBytes)
    29  	du.UsedBytes = du.TotalBytes - freeBytes
    30  	return du, err
    31  }