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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build windows
// +build windows
package storage
import (
"syscall"
"unsafe"
)
// GetTargetDirectoryCapacity get the capacity (bytes) of directory
func GetTargetDirectoryCapacity(path string) (uint64, error) {
h := syscall.MustLoadDLL("kernel32.dll")
c := h.MustFindProc("GetDiskFreeSpaceExW")
var freeBytes int64
_, _, err := c.Call(uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))),
uintptr(unsafe.Pointer(&freeBytes)))
if err != nil {
return 0, err
}
return uint64(freeBytes), nil
}