1 files changed, 0 insertions, 358 deletions
diff --git a/src/pkg/path/filepath/path.go b/src/pkg/path/filepath/path.go
deleted file mode 100644
index b181483ed..000000000
--- a/src/pkg/path/filepath/path.go
+++ /dev/null
@@ -1,358 +0,0 @@
-// 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 filepath implements utility routines for manipulating filename paths
-// in a way compatible with the target operating system-defined file paths.
-package filepath
-
-import (
-	"bytes"
-	"os"
-	"runtime"
-	"sort"
-	"strings"
-)
-
-const (
-	Separator     = os.PathSeparator
-	ListSeparator = os.PathListSeparator
-)
-
-// Clean returns the shortest path name equivalent to path
-// by purely lexical processing.  It applies the following rules
-// iteratively until no further processing can be done:
-//
-//	1. Replace multiple Separator elements with a single one.
-//	2. Eliminate each . path name element (the current directory).
-//	3. Eliminate each inner .. path name element (the parent directory)
-//	   along with the non-.. element that precedes it.
-//	4. Eliminate .. elements that begin a rooted path:
-//	   that is, replace "/.." by "/" at the beginning of a path,
-//         assuming Separator is '/'.
-//
-// If the result of this process is an empty string, Clean
-// returns the string ".".
-//
-// See also Rob Pike, ``Lexical File Names in Plan 9 or
-// Getting Dot-Dot right,''
-// http://plan9.bell-labs.com/sys/doc/lexnames.html
-func Clean(path string) string {
-	if path == "" {
-		return "."
-	}
-
-	rooted := IsAbs(path)
-
-	// Invariants:
-	//	reading from path; r is index of next byte to process.
-	//	writing to buf; w is index of next byte to write.
-	//	dotdot is index in buf where .. must stop, either because
-	//		it is the leading slash or it is a leading ../../.. prefix.
-	prefix := volumeName(path)
-	path = path[len(prefix):]
-	n := len(path)
-	buf := []byte(path)
-	r, w, dotdot := 0, 0, 0
-	if rooted {
-		buf[0] = Separator
-		r, w, dotdot = 1, 1, 1
-	}
-
-	for r < n {
-		switch {
-		case os.IsPathSeparator(path[r]):
-			// empty path element
-			r++
-		case path[r] == '.' && (r+1 == n || os.IsPathSeparator(path[r+1])):
-			// . element
-			r++
-		case path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])):
-			// .. element: remove to last separator
-			r += 2
-			switch {
-			case w > dotdot:
-				// can backtrack
-				w--
-				for w > dotdot && !os.IsPathSeparator(buf[w]) {
-					w--
-				}
-			case !rooted:
-				// cannot backtrack, but not rooted, so append .. element.
-				if w > 0 {
-					buf[w] = Separator
-					w++
-				}
-				buf[w] = '.'
-				w++
-				buf[w] = '.'
-				w++
-				dotdot = w
-			}
-		default:
-			// real path element.
-			// add slash if needed
-			if rooted && w != 1 || !rooted && w != 0 {
-				buf[w] = Separator
-				w++
-			}
-			// copy element
-			for ; r < n && !os.IsPathSeparator(path[r]); r++ {
-				buf[w] = path[r]
-				w++
-			}
-		}
-	}
-
-	// Turn empty string into "."
-	if w == 0 {
-		buf[w] = '.'
-		w++
-	}
-
-	return prefix + string(buf[0:w])
-}
-
-// ToSlash returns the result of replacing each separator character
-// in path with a slash ('/') character.
-func ToSlash(path string) string {
-	if Separator == '/' {
-		return path
-	}
-	return strings.Replace(path, string(Separator), "/", -1)
-}
-
-// FromSlash returns the result of replacing each slash ('/') character
-// in path with a separator character.
-func FromSlash(path string) string {
-	if Separator == '/' {
-		return path
-	}
-	return strings.Replace(path, "/", string(Separator), -1)
-}
-
-// SplitList splits a list of paths joined by the OS-specific ListSeparator.
-func SplitList(path string) []string {
-	if path == "" {
-		return []string{}
-	}
-	return strings.Split(path, string(ListSeparator))
-}
-
-// Split splits path immediately following the final Separator,
-// partitioning it into a directory and a file name components.
-// If there are no separators in path, Split returns an empty base
-// and file set to path.
-func Split(path string) (dir, file string) {
-	i := len(path) - 1
-	for i >= 0 && !os.IsPathSeparator(path[i]) {
-		i--
-	}
-	return path[:i+1], path[i+1:]
-}
-
-// Join joins any number of path elements into a single path, adding
-// a Separator if necessary.  All empty strings are ignored.
-func Join(elem ...string) string {
-	for i, e := range elem {
-		if e != "" {
-			return Clean(strings.Join(elem[i:], string(Separator)))
-		}
-	}
-	return ""
-}
-
-// Ext returns the file name extension used by path.
-// The extension is the suffix beginning at the final dot
-// in the final element of path; it is empty if there is
-// no dot.
-func Ext(path string) string {
-	for i := len(path) - 1; i >= 0 && !os.IsPathSeparator(path[i]); i-- {
-		if path[i] == '.' {
-			return path[i:]
-		}
-	}
-	return ""
-}
-
-// EvalSymlinks returns the path name after the evaluation of any symbolic
-// links.
-// If path is relative it will be evaluated relative to the current directory.
-func EvalSymlinks(path string) (string, os.Error) {
-	if runtime.GOOS == "windows" {
-		// Symlinks are not supported under windows.
-		_, err := os.Lstat(path)
-		if err != nil {
-			return "", err
-		}
-		return Clean(path), nil
-	}
-	const maxIter = 255
-	originalPath := path
-	// consume path by taking each frontmost path element,
-	// expanding it if it's a symlink, and appending it to b
-	var b bytes.Buffer
-	for n := 0; path != ""; n++ {
-		if n > maxIter {
-			return "", os.NewError("EvalSymlinks: too many links in " + originalPath)
-		}
-
-		// find next path component, p
-		i := strings.IndexRune(path, Separator)
-		var p string
-		if i == -1 {
-			p, path = path, ""
-		} else {
-			p, path = path[:i], path[i+1:]
-		}
-
-		if p == "" {
-			if b.Len() == 0 {
-				// must be absolute path
-				b.WriteRune(Separator)
-			}
-			continue
-		}
-
-		fi, err := os.Lstat(b.String() + p)
-		if err != nil {
-			return "", err
-		}
-		if !fi.IsSymlink() {
-			b.WriteString(p)
-			if path != "" {
-				b.WriteRune(Separator)
-			}
-			continue
-		}
-
-		// it's a symlink, put it at the front of path
-		dest, err := os.Readlink(b.String() + p)
-		if err != nil {
-			return "", err
-		}
-		if IsAbs(dest) {
-			b.Reset()
-		}
-		path = dest + string(Separator) + path
-	}
-	return Clean(b.String()), nil
-}
-
-// Abs returns an absolute representation of path.
-// If the path is not absolute it will be joined with the current
-// working directory to turn it into an absolute path.  The absolute
-// path name for a given file is not guaranteed to be unique.
-func Abs(path string) (string, os.Error) {
-	if IsAbs(path) {
-		return Clean(path), nil
-	}
-	wd, err := os.Getwd()
-	if err != nil {
-		return "", err
-	}
-	return Join(wd, path), nil
-}
-
-// Visitor methods are invoked for corresponding file tree entries
-// visited by Walk. The parameter path is the full path of f relative
-// to root.
-type Visitor interface {
-	VisitDir(path string, f *os.FileInfo) bool
-	VisitFile(path string, f *os.FileInfo)
-}
-
-func walk(path string, f *os.FileInfo, v Visitor, errors chan<- os.Error) {
-	if !f.IsDirectory() {
-		v.VisitFile(path, f)
-		return
-	}
-
-	if !v.VisitDir(path, f) {
-		return // skip directory entries
-	}
-
-	list, err := readDir(path)
-	if err != nil {
-		if errors != nil {
-			errors <- err
-		}
-	}
-
-	for _, e := range list {
-		walk(Join(path, e.Name), e, v, errors)
-	}
-}
-
-// readDir reads the directory named by dirname and returns
-// a list of sorted directory entries.
-// Copied from io/ioutil to avoid the circular import.
-func readDir(dirname string) ([]*os.FileInfo, os.Error) {
-	f, err := os.Open(dirname)
-	if err != nil {
-		return nil, err
-	}
-	list, err := f.Readdir(-1)
-	f.Close()
-	if err != nil {
-		return nil, err
-	}
-	fi := make(fileInfoList, len(list))
-	for i := range list {
-		fi[i] = &list[i]
-	}
-	sort.Sort(fi)
-	return fi, nil
-}
-
-// A dirList implements sort.Interface.
-type fileInfoList []*os.FileInfo
-
-func (f fileInfoList) Len() int           { return len(f) }
-func (f fileInfoList) Less(i, j int) bool { return f[i].Name < f[j].Name }
-func (f fileInfoList) Swap(i, j int)      { f[i], f[j] = f[j], f[i] }
-
-// Walk walks the file tree rooted at root, calling v.VisitDir or
-// v.VisitFile for each directory or file in the tree, including root.
-// If v.VisitDir returns false, Walk skips the directory's entries;
-// otherwise it invokes itself for each directory entry in sorted order.
-// An error reading a directory does not abort the Walk.
-// If errors != nil, Walk sends each directory read error
-// to the channel.  Otherwise Walk discards the error.
-func Walk(root string, v Visitor, errors chan<- os.Error) {
-	f, err := os.Lstat(root)
-	if err != nil {
-		if errors != nil {
-			errors <- err
-		}
-		return // can't progress
-	}
-	walk(root, f, v, errors)
-}
-
-// Base returns the last element of path.
-// Trailing path separators are removed before extracting the last element.
-// If the path is empty, Base returns ".".
-// If the path consists entirely of separators, Base returns a single separator.
-func Base(path string) string {
-	if path == "" {
-		return "."
-	}
-	// Strip trailing slashes.
-	for len(path) > 0 && os.IsPathSeparator(path[len(path)-1]) {
-		path = path[0 : len(path)-1]
-	}
-	// Find the last element
-	i := len(path) - 1
-	for i >= 0 && !os.IsPathSeparator(path[i]) {
-		i--
-	}
-	if i >= 0 {
-		path = path[i+1:]
-	}
-	// If empty now, it had only slashes.
-	if path == "" {
-		return string(Separator)
-	}
-	return path
-}