1 files changed, 0 insertions, 340 deletions
diff --git a/src/pkg/syscall/exec_windows.go b/src/pkg/syscall/exec_windows.go
deleted file mode 100644
index 936aeb577..000000000
--- a/src/pkg/syscall/exec_windows.go
+++ /dev/null
@@ -1,340 +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.
-
-// Fork, exec, wait, etc.
-
-package syscall
-
-import (
-	"sync"
-	"unicode/utf16"
-	"unsafe"
-)
-
-var ForkLock sync.RWMutex
-
-// EscapeArg rewrites command line argument s as prescribed
-// in http://msdn.microsoft.com/en-us/library/ms880421.
-// This function returns "" (2 double quotes) if s is empty.
-// Alternatively, these transformations are done:
-// - every back slash (\) is doubled, but only if immediately
-//   followed by double quote (");
-// - every double quote (") is escaped by back slash (\);
-// - finally, s is wrapped with double quotes (arg -> "arg"),
-//   but only if there is space or tab inside s.
-func EscapeArg(s string) string {
-	if len(s) == 0 {
-		return "\"\""
-	}
-	n := len(s)
-	hasSpace := false
-	for i := 0; i < len(s); i++ {
-		switch s[i] {
-		case '"', '\\':
-			n++
-		case ' ', '\t':
-			hasSpace = true
-		}
-	}
-	if hasSpace {
-		n += 2
-	}
-	if n == len(s) {
-		return s
-	}
-
-	qs := make([]byte, n)
-	j := 0
-	if hasSpace {
-		qs[j] = '"'
-		j++
-	}
-	slashes := 0
-	for i := 0; i < len(s); i++ {
-		switch s[i] {
-		default:
-			slashes = 0
-			qs[j] = s[i]
-		case '\\':
-			slashes++
-			qs[j] = s[i]
-		case '"':
-			for ; slashes > 0; slashes-- {
-				qs[j] = '\\'
-				j++
-			}
-			qs[j] = '\\'
-			j++
-			qs[j] = s[i]
-		}
-		j++
-	}
-	if hasSpace {
-		for ; slashes > 0; slashes-- {
-			qs[j] = '\\'
-			j++
-		}
-		qs[j] = '"'
-		j++
-	}
-	return string(qs[:j])
-}
-
-// makeCmdLine builds a command line out of args by escaping "special"
-// characters and joining the arguments with spaces.
-func makeCmdLine(args []string) string {
-	var s string
-	for _, v := range args {
-		if s != "" {
-			s += " "
-		}
-		s += EscapeArg(v)
-	}
-	return s
-}
-
-// createEnvBlock converts an array of environment strings into
-// the representation required by CreateProcess: a sequence of NUL
-// terminated strings followed by a nil.
-// Last bytes are two UCS-2 NULs, or four NUL bytes.
-func createEnvBlock(envv []string) *uint16 {
-	if len(envv) == 0 {
-		return &utf16.Encode([]rune("\x00\x00"))[0]
-	}
-	length := 0
-	for _, s := range envv {
-		length += len(s) + 1
-	}
-	length += 1
-
-	b := make([]byte, length)
-	i := 0
-	for _, s := range envv {
-		l := len(s)
-		copy(b[i:i+l], []byte(s))
-		copy(b[i+l:i+l+1], []byte{0})
-		i = i + l + 1
-	}
-	copy(b[i:i+1], []byte{0})
-
-	return &utf16.Encode([]rune(string(b)))[0]
-}
-
-func CloseOnExec(fd Handle) {
-	SetHandleInformation(Handle(fd), HANDLE_FLAG_INHERIT, 0)
-}
-
-func SetNonblock(fd Handle, nonblocking bool) (err error) {
-	return nil
-}
-
-// FullPath retrieves the full path of the specified file.
-func FullPath(name string) (path string, err error) {
-	p, err := UTF16PtrFromString(name)
-	if err != nil {
-		return "", err
-	}
-	buf := make([]uint16, 100)
-	n, err := GetFullPathName(p, uint32(len(buf)), &buf[0], nil)
-	if err != nil {
-		return "", err
-	}
-	if n > uint32(len(buf)) {
-		// Windows is asking for bigger buffer.
-		buf = make([]uint16, n)
-		n, err = GetFullPathName(p, uint32(len(buf)), &buf[0], nil)
-		if err != nil {
-			return "", err
-		}
-		if n > uint32(len(buf)) {
-			return "", EINVAL
-		}
-	}
-	return UTF16ToString(buf[:n]), nil
-}
-
-func isSlash(c uint8) bool {
-	return c == '\\' || c == '/'
-}
-
-func normalizeDir(dir string) (name string, err error) {
-	ndir, err := FullPath(dir)
-	if err != nil {
-		return "", err
-	}
-	if len(ndir) > 2 && isSlash(ndir[0]) && isSlash(ndir[1]) {
-		// dir cannot have \\server\share\path form
-		return "", EINVAL
-	}
-	return ndir, nil
-}
-
-func volToUpper(ch int) int {
-	if 'a' <= ch && ch <= 'z' {
-		ch += 'A' - 'a'
-	}
-	return ch
-}
-
-func joinExeDirAndFName(dir, p string) (name string, err error) {
-	if len(p) == 0 {
-		return "", EINVAL
-	}
-	if len(p) > 2 && isSlash(p[0]) && isSlash(p[1]) {
-		// \\server\share\path form
-		return p, nil
-	}
-	if len(p) > 1 && p[1] == ':' {
-		// has drive letter
-		if len(p) == 2 {
-			return "", EINVAL
-		}
-		if isSlash(p[2]) {
-			return p, nil
-		} else {
-			d, err := normalizeDir(dir)
-			if err != nil {
-				return "", err
-			}
-			if volToUpper(int(p[0])) == volToUpper(int(d[0])) {
-				return FullPath(d + "\\" + p[2:])
-			} else {
-				return FullPath(p)
-			}
-		}
-	} else {
-		// no drive letter
-		d, err := normalizeDir(dir)
-		if err != nil {
-			return "", err
-		}
-		if isSlash(p[0]) {
-			return FullPath(d[:2] + p)
-		} else {
-			return FullPath(d + "\\" + p)
-		}
-	}
-	// we shouldn't be here
-	return "", EINVAL
-}
-
-type ProcAttr struct {
-	Dir   string
-	Env   []string
-	Files []uintptr
-	Sys   *SysProcAttr
-}
-
-type SysProcAttr struct {
-	HideWindow    bool
-	CmdLine       string // used if non-empty, else the windows command line is built by escaping the arguments passed to StartProcess
-	CreationFlags uint32
-}
-
-var zeroProcAttr ProcAttr
-var zeroSysProcAttr SysProcAttr
-
-func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
-	if len(argv0) == 0 {
-		return 0, 0, EWINDOWS
-	}
-	if attr == nil {
-		attr = &zeroProcAttr
-	}
-	sys := attr.Sys
-	if sys == nil {
-		sys = &zeroSysProcAttr
-	}
-
-	if len(attr.Files) > 3 {
-		return 0, 0, EWINDOWS
-	}
-
-	if len(attr.Dir) != 0 {
-		// StartProcess assumes that argv0 is relative to attr.Dir,
-		// because it implies Chdir(attr.Dir) before executing argv0.
-		// Windows CreateProcess assumes the opposite: it looks for
-		// argv0 relative to the current directory, and, only once the new
-		// process is started, it does Chdir(attr.Dir). We are adjusting
-		// for that difference here by making argv0 absolute.
-		var err error
-		argv0, err = joinExeDirAndFName(attr.Dir, argv0)
-		if err != nil {
-			return 0, 0, err
-		}
-	}
-	argv0p, err := UTF16PtrFromString(argv0)
-	if err != nil {
-		return 0, 0, err
-	}
-
-	var cmdline string
-	// Windows CreateProcess takes the command line as a single string:
-	// use attr.CmdLine if set, else build the command line by escaping
-	// and joining each argument with spaces
-	if sys.CmdLine != "" {
-		cmdline = sys.CmdLine
-	} else {
-		cmdline = makeCmdLine(argv)
-	}
-
-	var argvp *uint16
-	if len(cmdline) != 0 {
-		argvp, err = UTF16PtrFromString(cmdline)
-		if err != nil {
-			return 0, 0, err
-		}
-	}
-
-	var dirp *uint16
-	if len(attr.Dir) != 0 {
-		dirp, err = UTF16PtrFromString(attr.Dir)
-		if err != nil {
-			return 0, 0, err
-		}
-	}
-
-	// Acquire the fork lock so that no other threads
-	// create new fds that are not yet close-on-exec
-	// before we fork.
-	ForkLock.Lock()
-	defer ForkLock.Unlock()
-
-	p, _ := GetCurrentProcess()
-	fd := make([]Handle, len(attr.Files))
-	for i := range attr.Files {
-		if attr.Files[i] > 0 {
-			err := DuplicateHandle(p, Handle(attr.Files[i]), p, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
-			if err != nil {
-				return 0, 0, err
-			}
-			defer CloseHandle(Handle(fd[i]))
-		}
-	}
-	si := new(StartupInfo)
-	si.Cb = uint32(unsafe.Sizeof(*si))
-	si.Flags = STARTF_USESTDHANDLES
-	if sys.HideWindow {
-		si.Flags |= STARTF_USESHOWWINDOW
-		si.ShowWindow = SW_HIDE
-	}
-	si.StdInput = fd[0]
-	si.StdOutput = fd[1]
-	si.StdErr = fd[2]
-
-	pi := new(ProcessInformation)
-
-	flags := sys.CreationFlags | CREATE_UNICODE_ENVIRONMENT
-	err = CreateProcess(argv0p, argvp, nil, nil, true, flags, createEnvBlock(attr.Env), dirp, si, pi)
-	if err != nil {
-		return 0, 0, err
-	}
-	defer CloseHandle(Handle(pi.Thread))
-
-	return int(pi.ProcessId), uintptr(pi.Process), nil
-}
-
-func Exec(argv0 string, argv []string, envv []string) (err error) {
-	return EWINDOWS
-}