os: correct Stat S_ISDIR on Windows

R=rsc, brainman
CC=golang-dev
https://golang.org/cl/2598041

diff --git a/src/pkg/os/stat_windows.go b/src/pkg/os/stat_windows.go
index b5699d99375f5899e721b9225ebe4396a37f682a..11088436a3d12a3b12adc488d6cd73a1e579b9d8 100644 (file)
--- a/src/pkg/os/stat_windows.go
+++ b/src/pkg/os/stat_windows.go
@@ -26,12 +26,12 @@ func fileInfoFromByHandleInfo(fi *FileInfo, name string, d *syscall.ByHandleFile
 
 func setFileInfo(fi *FileInfo, name string, fa, sizehi, sizelo uint32, ctime, atime, wtime syscall.Filetime) *FileInfo {
        fi.Mode = 0
-       if fa == syscall.FILE_ATTRIBUTE_DIRECTORY {
+       if fa&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
                fi.Mode = fi.Mode | syscall.S_IFDIR
        } else {
                fi.Mode = fi.Mode | syscall.S_IFREG
        }
-       if fa == syscall.FILE_ATTRIBUTE_READONLY {
+       if fa&syscall.FILE_ATTRIBUTE_READONLY != 0 {
                fi.Mode = fi.Mode | 0444
        } else {
                fi.Mode = fi.Mode | 0666