go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/system/filesystem/filesystem_windows.go (about)

     1  // Copyright 2019 The LUCI Authors.
     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  package filesystem
    16  
    17  import (
    18  	"os"
    19  	"syscall"
    20  
    21  	"golang.org/x/sys/windows"
    22  )
    23  
    24  func umask(mask int) int {
    25  	return 0
    26  }
    27  
    28  func addReadMode(mode os.FileMode) os.FileMode {
    29  	return mode | syscall.S_IRUSR
    30  }
    31  
    32  func getFreeSpace(path string) (uint64, error) {
    33  	wpath, err := windows.UTF16PtrFromString(path)
    34  	if err != nil {
    35  		return 0, err
    36  	}
    37  	var freeBytes uint64
    38  	if err := windows.GetDiskFreeSpaceEx(wpath, nil, nil, &freeBytes); err != nil {
    39  		return 0, err
    40  	}
    41  	return freeBytes, nil
    42  }