add windows stub

Signed-off-by: leongross <[email protected]>

Author: leongross

src/os/exec.go

@@ -58,7 +58,7 @@ type Process struct {
 }
 
 func StartProcess(name string, argv []string, attr *ProcAttr) (*Process, error) {
-	return nil, &PathError{"fork/exec", name, ErrNotImplemented}
+	return nil, &PathError{Op: "fork/exec", Path: name, Err: ErrNotImplemented}
 }
 
 func (p *Process) Wait() (*ProcessState, error) {

src/os/file_windows.go

@@ -59,6 +59,10 @@ func Pipe() (r *File, w *File, err error) {
 	return
 }
 
+func (f *unixFileHandle) Truncate(size int64) error {
+	return ErrNotImplemented
+}
+
 func tempDir() string {
 	n := uint32(syscall.MAX_PATH)
 	for {
@@ -106,6 +110,10 @@ func (f unixFileHandle) Sync() error {
 	return ErrNotImplemented
 }
 
+func (f *File) Truncate(size int64) error {
+	return ErrNotImplemented
+}
+
 // isWindowsNulName reports whether name is os.DevNull ('NUL') on Windows.
 // True is returned if name is 'NUL' whatever the case.
 func isWindowsNulName(name string) bool {