1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/golang.org/x/tools/imports/fastwalk_unix.go b/vendor/golang.org/x/tools/imports/fastwalk_unix.go
deleted file mode 100644
index 5854233db..000000000
--- a/vendor/golang.org/x/tools/imports/fastwalk_unix.go
+++ /dev/null
@@ -1,122 +0,0 @@
-// Copyright 2016 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.
-
-// +build linux,!appengine darwin freebsd openbsd netbsd
-
-package imports
-
-import (
-	"bytes"
-	"fmt"
-	"os"
-	"syscall"
-	"unsafe"
-)
-
-const blockSize = 8 << 10
-
-// unknownFileMode is a sentinel (and bogus) os.FileMode
-// value used to represent a syscall.DT_UNKNOWN Dirent.Type.
-const unknownFileMode os.FileMode = os.ModeNamedPipe | os.ModeSocket | os.ModeDevice
-
-func readDir(dirName string, fn func(dirName, entName string, typ os.FileMode) error) error {
-	fd, err := syscall.Open(dirName, 0, 0)
-	if err != nil {
-		return err
-	}
-	defer syscall.Close(fd)
-
-	// The buffer must be at least a block long.
-	buf := make([]byte, blockSize) // stack-allocated; doesn't escape
-	bufp := 0                      // starting read position in buf
-	nbuf := 0                      // end valid data in buf
-	for {
-		if bufp >= nbuf {
-			bufp = 0
-			nbuf, err = syscall.ReadDirent(fd, buf)
-			if err != nil {
-				return os.NewSyscallError("readdirent", err)
-			}
-			if nbuf <= 0 {
-				return nil
-			}
-		}
-		consumed, name, typ := parseDirEnt(buf[bufp:nbuf])
-		bufp += consumed
-		if name == "" || name == "." || name == ".." {
-			continue
-		}
-		// Fallback for filesystems (like old XFS) that don't
-		// support Dirent.Type and have DT_UNKNOWN (0) there
-		// instead.
-		if typ == unknownFileMode {
-			fi, err := os.Lstat(dirName + "/" + name)
-			if err != nil {
-				// It got deleted in the meantime.
-				if os.IsNotExist(err) {
-					continue
-				}
-				return err
-			}
-			typ = fi.Mode() & os.ModeType
-		}
-		if err := fn(dirName, name, typ); err != nil {
-			return err
-		}
-	}
-}
-
-func parseDirEnt(buf []byte) (consumed int, name string, typ os.FileMode) {
-	// golang.org/issue/15653
-	dirent := (*syscall.Dirent)(unsafe.Pointer(&buf[0]))
-	if v := unsafe.Offsetof(dirent.Reclen) + unsafe.Sizeof(dirent.Reclen); uintptr(len(buf)) < v {
-		panic(fmt.Sprintf("buf size of %d smaller than dirent header size %d", len(buf), v))
-	}
-	if len(buf) < int(dirent.Reclen) {
-		panic(fmt.Sprintf("buf size %d < record length %d", len(buf), dirent.Reclen))
-	}
-	consumed = int(dirent.Reclen)
-	if direntInode(dirent) == 0 { // File absent in directory.
-		return
-	}
-	switch dirent.Type {
-	case syscall.DT_REG:
-		typ = 0
-	case syscall.DT_DIR:
-		typ = os.ModeDir
-	case syscall.DT_LNK:
-		typ = os.ModeSymlink
-	case syscall.DT_BLK:
-		typ = os.ModeDevice
-	case syscall.DT_FIFO:
-		typ = os.ModeNamedPipe
-	case syscall.DT_SOCK:
-		typ = os.ModeSocket
-	case syscall.DT_UNKNOWN:
-		typ = unknownFileMode
-	default:
-		// Skip weird things.
-		// It's probably a DT_WHT (http://lwn.net/Articles/325369/)
-		// or something. Revisit if/when this package is moved outside
-		// of goimports. goimports only cares about regular files,
-		// symlinks, and directories.
-		return
-	}
-
-	nameBuf := (*[unsafe.Sizeof(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]))
-	nameLen := bytes.IndexByte(nameBuf[:], 0)
-	if nameLen < 0 {
-		panic("failed to find terminating 0 byte in dirent")
-	}
-
-	// Special cases for common things:
-	if nameLen == 1 && nameBuf[0] == '.' {
-		name = "."
-	} else if nameLen == 2 && nameBuf[0] == '.' && nameBuf[1] == '.' {
-		name = ".."
-	} else {
-		name = string(nameBuf[:nameLen])
-	}
-	return
-}