File Manager

X7ROOT File Manager

Current Path: /opt/golang/1.22.0/src/os

📁 ..
📄 dir.go(4.4 KB)
📄 dir_darwin.go(3.34 KB)
📄 dir_plan9.go(2.1 KB)
📄 dir_unix.go(5.24 KB)
📄 dir_windows.go(7.17 KB)
📄 dirent_aix.go(759 B)
📄 dirent_dragonfly.go(1.28 KB)
📄 dirent_freebsd.go(1.16 KB)
📄 dirent_js.go(678 B)
📄 dirent_linux.go(1.18 KB)
📄 dirent_netbsd.go(1.16 KB)
📄 dirent_openbsd.go(1.16 KB)
📄 dirent_solaris.go(759 B)
📄 dirent_wasip1.go(1.36 KB)
📄 endian_big.go(244 B)
📄 endian_little.go(304 B)
📄 env.go(3.85 KB)
📄 env_test.go(5.04 KB)
📄 env_unix_test.go(1.22 KB)
📄 error.go(4.76 KB)
📄 error_errno.go(247 B)
📄 error_plan9.go(234 B)
📄 error_posix.go(538 B)
📄 error_test.go(4.92 KB)
📄 error_unix_test.go(1.49 KB)
📄 error_windows_test.go(1.72 KB)
📄 example_test.go(8.39 KB)
📁 exec
📄 exec.go(6.01 KB)
📄 exec_plan9.go(3.27 KB)
📄 exec_posix.go(3.44 KB)
📄 exec_unix.go(2.09 KB)
📄 exec_unix_test.go(999 B)
📄 exec_windows.go(4.57 KB)
📄 exec_windows_test.go(1.78 KB)
📄 executable.go(774 B)
📄 executable_darwin.go(613 B)
📄 executable_dragonfly.go(293 B)
📄 executable_freebsd.go(292 B)
📄 executable_path.go(2.31 KB)
📄 executable_plan9.go(427 B)
📄 executable_procfs.go(904 B)
📄 executable_solaris.go(695 B)
📄 executable_sysctl.go(891 B)
📄 executable_test.go(3.4 KB)
📄 executable_wasm.go(333 B)
📄 executable_windows.go(641 B)
📄 export_linux_test.go(337 B)
📄 export_test.go(433 B)
📄 export_unix_test.go(241 B)
📄 export_windows_test.go(395 B)
📄 fifo_test.go(4.62 KB)
📄 file.go(24.91 KB)
📄 file_mutex_plan9.go(1.81 KB)
📄 file_open_unix.go(397 B)
📄 file_open_wasip1.go(818 B)
📄 file_plan9.go(15.99 KB)
📄 file_posix.go(7.1 KB)
📄 file_unix.go(14.05 KB)
📄 file_wasip1.go(633 B)
📄 file_windows.go(12.65 KB)
📄 getwd.go(2.52 KB)
📄 os_test.go(77.07 KB)
📄 os_unix_test.go(11.47 KB)
📄 os_windows_test.go(41.83 KB)
📄 path.go(2.27 KB)
📄 path_plan9.go(492 B)
📄 path_test.go(2.96 KB)
📄 path_unix.go(1.56 KB)
📄 path_windows.go(5.66 KB)
📄 path_windows_test.go(4.03 KB)
📄 pipe2_unix.go(640 B)
📄 pipe_test.go(12.41 KB)
📄 pipe_unix.go(760 B)
📄 pipe_wasm.go(488 B)
📄 proc.go(2.27 KB)
📄 rawconn.go(993 B)
📄 rawconn_test.go(1.15 KB)
📄 read_test.go(3.2 KB)
📄 readfrom_linux_test.go(20.3 KB)
📄 removeall_at.go(4.91 KB)
📄 removeall_noat.go(3.13 KB)
📄 removeall_test.go(11.96 KB)
📁 signal
📄 stat.go(965 B)
📄 stat_aix.go(1.18 KB)
📄 stat_darwin.go(1.09 KB)
📄 stat_dragonfly.go(1.06 KB)
📄 stat_freebsd.go(1.07 KB)
📄 stat_js.go(1.11 KB)
📄 stat_linux.go(1.06 KB)
📄 stat_netbsd.go(1.07 KB)
📄 stat_openbsd.go(1.06 KB)
📄 stat_plan9.go(2.37 KB)
📄 stat_solaris.go(1.3 KB)
📄 stat_test.go(6.46 KB)
📄 stat_unix.go(1.23 KB)
📄 stat_wasip1.go(956 B)
📄 stat_windows.go(4.93 KB)
📄 sticky_bsd.go(425 B)
📄 sticky_notbsd.go(320 B)
📄 sys.go(294 B)
📄 sys_aix.go(682 B)
📄 sys_bsd.go(466 B)
📄 sys_js.go(313 B)
📄 sys_linux.go(1.04 KB)
📄 sys_plan9.go(453 B)
📄 sys_solaris.go(265 B)
📄 sys_unix.go(493 B)
📄 sys_wasip1.go(309 B)
📄 sys_windows.go(874 B)
📄 tempfile.go(3.8 KB)
📄 tempfile_test.go(5.49 KB)
📁 testdata
📄 timeout_test.go(17.09 KB)
📄 types.go(2.79 KB)
📄 types_plan9.go(797 B)
📄 types_unix.go(776 B)
📄 types_windows.go(10.01 KB)
📁 user
📄 wait6_dragonfly.go(496 B)
📄 wait6_freebsd64.go(547 B)
📄 wait6_freebsd_386.go(544 B)
📄 wait6_freebsd_arm.go(549 B)
📄 wait6_netbsd.go(534 B)
📄 wait_unimp.go(831 B)
📄 wait_wait6.go(781 B)
📄 wait_waitid.go(1.32 KB)
📄 writeto_linux_test.go(4.21 KB)
📄 zero_copy_linux.go(4.38 KB)
📄 zero_copy_stub.go(406 B)

Editing: stat_windows.go

// 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 (
	"internal/syscall/windows"
	"syscall"
	"unsafe"
)

// Stat returns the FileInfo structure describing file.
// If there is an error, it will be of type *PathError.
func (file *File) Stat() (FileInfo, error) {
	if file == nil {
		return nil, ErrInvalid
	}
	return statHandle(file.name, file.pfd.Sysfd)
}

// stat implements both Stat and Lstat of a file.
func stat(funcname, name string, followSurrogates bool) (FileInfo, error) {
	if len(name) == 0 {
		return nil, &PathError{Op: funcname, Path: name, Err: syscall.Errno(syscall.ERROR_PATH_NOT_FOUND)}
	}
	namep, err := syscall.UTF16PtrFromString(fixLongPath(name))
	if err != nil {
		return nil, &PathError{Op: funcname, Path: name, Err: err}
	}

// Try GetFileAttributesEx first, because it is faster than CreateFile.
	// See https://golang.org/issues/19922#issuecomment-300031421 for details.
	var fa syscall.Win32FileAttributeData
	err = syscall.GetFileAttributesEx(namep, syscall.GetFileExInfoStandard, (*byte)(unsafe.Pointer(&fa)))

// GetFileAttributesEx fails with ERROR_SHARING_VIOLATION error for
	// files like c:\pagefile.sys. Use FindFirstFile for such files.
	if err == windows.ERROR_SHARING_VIOLATION {
		var fd syscall.Win32finddata
		sh, err := syscall.FindFirstFile(namep, &fd)
		if err != nil {
			return nil, &PathError{Op: "FindFirstFile", Path: name, Err: err}
		}
		syscall.FindClose(sh)
		if fd.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT == 0 {
			// Not a surrogate for another named entity. FindFirstFile is good enough.
			fs := newFileStatFromWin32finddata(&fd)
			if err := fs.saveInfoFromPath(name); err != nil {
				return nil, err
			}
			return fs, nil
		}
	}

if err == nil && fa.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT == 0 {
		// Not a surrogate for another named entity, because it isn't any kind of reparse point.
		// The information we got from GetFileAttributesEx is good enough for now.
		fs := &fileStat{
			FileAttributes: fa.FileAttributes,
			CreationTime:   fa.CreationTime,
			LastAccessTime: fa.LastAccessTime,
			LastWriteTime:  fa.LastWriteTime,
			FileSizeHigh:   fa.FileSizeHigh,
			FileSizeLow:    fa.FileSizeLow,
		}
		if err := fs.saveInfoFromPath(name); err != nil {
			return nil, err
		}
		return fs, nil
	}

// Use CreateFile to determine whether the file is a name surrogate and, if so,
	// save information about the link target.
	// Set FILE_FLAG_BACKUP_SEMANTICS so that CreateFile will create the handle
	// even if name refers to a directory.
	h, err := syscall.CreateFile(namep, 0, 0, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OPEN_REPARSE_POINT, 0)
	if err != nil {
		// Since CreateFile failed, we can't determine whether name refers to a
		// name surrogate, or some other kind of reparse point. Since we can't return a
		// FileInfo with a known-accurate Mode, we must return an error.
		return nil, &PathError{Op: "CreateFile", Path: name, Err: err}
	}

fi, err := statHandle(name, h)
	syscall.CloseHandle(h)
	if err == nil && followSurrogates && fi.(*fileStat).isReparseTagNameSurrogate() {
		// To obtain information about the link target, we reopen the file without
		// FILE_FLAG_OPEN_REPARSE_POINT and examine the resulting handle.
		// (See https://devblogs.microsoft.com/oldnewthing/20100212-00/?p=14963.)
		h, err = syscall.CreateFile(namep, 0, 0, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS, 0)
		if err != nil {
			// name refers to a symlink, but we couldn't resolve the symlink target.
			return nil, &PathError{Op: "CreateFile", Path: name, Err: err}
		}
		defer syscall.CloseHandle(h)
		return statHandle(name, h)
	}
	return fi, err
}

func statHandle(name string, h syscall.Handle) (FileInfo, error) {
	ft, err := syscall.GetFileType(h)
	if err != nil {
		return nil, &PathError{Op: "GetFileType", Path: name, Err: err}
	}
	switch ft {
	case syscall.FILE_TYPE_PIPE, syscall.FILE_TYPE_CHAR:
		return &fileStat{name: basename(name), filetype: ft}, nil
	}
	fs, err := newFileStatFromGetFileInformationByHandle(name, h)
	if err != nil {
		return nil, err
	}
	fs.filetype = ft
	return fs, err
}

// statNolog implements Stat for Windows.
func statNolog(name string) (FileInfo, error) {
	return stat("Stat", name, true)
}

// lstatNolog implements Lstat for Windows.
func lstatNolog(name string) (FileInfo, error) {
	followSurrogates := false
	if name != "" && IsPathSeparator(name[len(name)-1]) {
		// We try to implement POSIX semantics for Lstat path resolution
		// (per https://pubs.opengroup.org/onlinepubs/9699919799.2013edition/basedefs/V1_chap04.html#tag_04_12):
		// symlinks before the last separator in the path must be resolved. Since
		// the last separator in this case follows the last path element, we should
		// follow symlinks in the last path element.
		followSurrogates = true
	}
	return stat("Lstat", name, followSurrogates)
}

X7ROOT File Manager

Editing: stat_windows.go

Upload File

Create Folder