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📄 example_test.go(475 B)
📄 example_unix_test.go(3.39 KB)
📄 example_unix_walk_test.go(1.52 KB)
📄 export_test.go(198 B)
📄 export_windows_test.go(226 B)
📄 match.go(8.64 KB)
📄 match_test.go(8.76 KB)
📄 path.go(17.64 KB)
📄 path_plan9.go(1.19 KB)
📄 path_test.go(36.97 KB)
📄 path_unix.go(1.19 KB)
📄 path_windows.go(5.01 KB)
📄 path_windows_test.go(15.49 KB)
📄 symlink.go(3.17 KB)
📄 symlink_plan9.go(635 B)
📄 symlink_unix.go(127 B)
📄 symlink_windows.go(2.92 KB)

Editing: symlink_windows.go

// Copyright 2012 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 filepath

import (
	"strings"
	"syscall"
)

// normVolumeName is like VolumeName, but makes drive letter upper case.
// result of EvalSymlinks must be unique, so we have
// EvalSymlinks(`c:\a`) == EvalSymlinks(`C:\a`).
func normVolumeName(path string) string {
	volume := VolumeName(path)

if len(volume) > 2 { // isUNC
		return volume
	}

return strings.ToUpper(volume)
}

// normBase returns the last element of path with correct case.
func normBase(path string) (string, error) {
	p, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return "", err
	}

var data syscall.Win32finddata

h, err := syscall.FindFirstFile(p, &data)
	if err != nil {
		return "", err
	}
	syscall.FindClose(h)

return syscall.UTF16ToString(data.FileName[:]), nil
}

// baseIsDotDot reports whether the last element of path is "..".
// The given path should be 'Clean'-ed in advance.
func baseIsDotDot(path string) bool {
	i := strings.LastIndexByte(path, Separator)
	return path[i+1:] == ".."
}

// toNorm returns the normalized path that is guaranteed to be unique.
// It should accept the following formats:
//   - UNC paths                              (e.g \\server\share\foo\bar)
//   - absolute paths                         (e.g C:\foo\bar)
//   - relative paths begin with drive letter (e.g C:foo\bar, C:..\foo\bar, C:.., C:.)
//   - relative paths begin with '\'          (e.g \foo\bar)
//   - relative paths begin without '\'       (e.g foo\bar, ..\foo\bar, .., .)
//
// The returned normalized path will be in the same form (of 5 listed above) as the input path.
// If two paths A and B are indicating the same file with the same format, toNorm(A) should be equal to toNorm(B).
// The normBase parameter should be equal to the normBase func, except for in tests.  See docs on the normBase func.
func toNorm(path string, normBase func(string) (string, error)) (string, error) {
	if path == "" {
		return path, nil
	}

path = Clean(path)

volume := normVolumeName(path)
	path = path[len(volume):]

// skip special cases
	if path == "" || path == "." || path == `\` {
		return volume + path, nil
	}

var normPath string

for {
		if baseIsDotDot(path) {
			normPath = path + `\` + normPath

break
		}

name, err := normBase(volume + path)
		if err != nil {
			return "", err
		}

normPath = name + `\` + normPath

i := strings.LastIndexByte(path, Separator)
		if i == -1 {
			break
		}
		if i == 0 { // `\Go` or `C:\Go`
			normPath = `\` + normPath

break
		}

path = path[:i]
	}

normPath = normPath[:len(normPath)-1] // remove trailing '\'

return volume + normPath, nil
}

func evalSymlinks(path string) (string, error) {
	newpath, err := walkSymlinks(path)
	if err != nil {
		return "", err
	}
	newpath, err = toNorm(newpath, normBase)
	if err != nil {
		return "", err
	}
	return newpath, nil
}

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Editing: symlink_windows.go

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