1 files changed, 0 insertions, 123 deletions
diff --git a/src/pkg/os/getwd.go b/src/pkg/os/getwd.go
deleted file mode 100644
index d5da53b34..000000000
--- a/src/pkg/os/getwd.go
+++ /dev/null
@@ -1,123 +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 os
-
-import (
-	"runtime"
-	"sync"
-	"syscall"
-)
-
-var getwdCache struct {
-	sync.Mutex
-	dir string
-}
-
-// useSyscallwd determines whether to use the return value of
-// syscall.Getwd based on its error.
-var useSyscallwd = func(error) bool { return true }
-
-// Getwd returns a rooted path name corresponding to the
-// current directory.  If the current directory can be
-// reached via multiple paths (due to symbolic links),
-// Getwd may return any one of them.
-func Getwd() (dir string, err error) {
-	if runtime.GOOS == "windows" {
-		return syscall.Getwd()
-	}
-
-	// Clumsy but widespread kludge:
-	// if $PWD is set and matches ".", use it.
-	dot, err := Stat(".")
-	if err != nil {
-		return "", err
-	}
-	dir = Getenv("PWD")
-	if len(dir) > 0 && dir[0] == '/' {
-		d, err := Stat(dir)
-		if err == nil && SameFile(dot, d) {
-			return dir, nil
-		}
-	}
-
-	// If the operating system provides a Getwd call, use it.
-	// Otherwise, we're trying to find our way back to ".".
-	if syscall.ImplementsGetwd {
-		s, e := syscall.Getwd()
-		if useSyscallwd(e) {
-			return s, NewSyscallError("getwd", e)
-		}
-	}
-
-	// Apply same kludge but to cached dir instead of $PWD.
-	getwdCache.Lock()
-	dir = getwdCache.dir
-	getwdCache.Unlock()
-	if len(dir) > 0 {
-		d, err := Stat(dir)
-		if err == nil && SameFile(dot, d) {
-			return dir, nil
-		}
-	}
-
-	// Root is a special case because it has no parent
-	// and ends in a slash.
-	root, err := Stat("/")
-	if err != nil {
-		// Can't stat root - no hope.
-		return "", err
-	}
-	if SameFile(root, dot) {
-		return "/", nil
-	}
-
-	// General algorithm: find name in parent
-	// and then find name of parent.  Each iteration
-	// adds /name to the beginning of dir.
-	dir = ""
-	for parent := ".."; ; parent = "../" + parent {
-		if len(parent) >= 1024 { // Sanity check
-			return "", syscall.ENAMETOOLONG
-		}
-		fd, err := Open(parent)
-		if err != nil {
-			return "", err
-		}
-
-		for {
-			names, err := fd.Readdirnames(100)
-			if err != nil {
-				fd.Close()
-				return "", err
-			}
-			for _, name := range names {
-				d, _ := Lstat(parent + "/" + name)
-				if SameFile(d, dot) {
-					dir = "/" + name + dir
-					goto Found
-				}
-			}
-		}
-
-	Found:
-		pd, err := fd.Stat()
-		if err != nil {
-			return "", err
-		}
-		fd.Close()
-		if SameFile(pd, root) {
-			break
-		}
-		// Set up for next round.
-		dot = pd
-	}
-
-	// Save answer as hint to avoid the expensive path next time.
-	getwdCache.Lock()
-	getwdCache.dir = dir
-	getwdCache.Unlock()
-
-	return dir, nil
-}