diff options
Diffstat (limited to 'src/os/dir_windows.go')
-rw-r--r-- | src/os/dir_windows.go | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/os/dir_windows.go b/src/os/dir_windows.go new file mode 100644 index 0000000..9dc2cd7 --- /dev/null +++ b/src/os/dir_windows.go @@ -0,0 +1,80 @@ +// Copyright 2009 The Go 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 os + +import ( + "io" + "io/fs" + "runtime" + "syscall" +) + +func (file *File) readdir(n int, mode readdirMode) (names []string, dirents []DirEntry, infos []FileInfo, err error) { + // If this file has no dirinfo, create one. + needdata := true + if file.dirinfo == nil { + needdata = false + file.dirinfo, err = openDir(file.name) + if err != nil { + err = &PathError{Op: "readdir", Path: file.name, Err: err} + return + } + } + wantAll := n <= 0 + if wantAll { + n = -1 + } + d := &file.dirinfo.data + for n != 0 && !file.dirinfo.isempty { + if needdata { + e := syscall.FindNextFile(file.dirinfo.h, d) + runtime.KeepAlive(file) + if e != nil { + if e == syscall.ERROR_NO_MORE_FILES { + break + } else { + err = &PathError{Op: "FindNextFile", Path: file.name, Err: e} + return + } + } + } + needdata = true + name := syscall.UTF16ToString(d.FileName[0:]) + if name == "." || name == ".." { // Useless names + continue + } + if mode == readdirName { + names = append(names, name) + } else { + f := newFileStatFromWin32finddata(d) + f.name = name + f.path = file.dirinfo.path + f.appendNameToPath = true + if mode == readdirDirEntry { + dirents = append(dirents, dirEntry{f}) + } else { + infos = append(infos, f) + } + } + n-- + } + if !wantAll && len(names)+len(dirents)+len(infos) == 0 { + return nil, nil, nil, io.EOF + } + return names, dirents, infos, nil +} + +type dirEntry struct { + fs *fileStat +} + +func (de dirEntry) Name() string { return de.fs.Name() } +func (de dirEntry) IsDir() bool { return de.fs.IsDir() } +func (de dirEntry) Type() FileMode { return de.fs.Mode().Type() } +func (de dirEntry) Info() (FileInfo, error) { return de.fs, nil } + +func (de dirEntry) String() string { + return fs.FormatDirEntry(de) +} |