os: handle backslash and slash both in the path on Windows
Fixes #35492
Change-Id: I00dce8fd1228f809e0c61013ac4de7a5953cbbf9
Reviewed-on: https://go-review.googlesource.com/c/go/+/206997
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/os/file_windows.go b/src/os/file_windows.go
index 1e78f4e..96f934d 100644
--- a/src/os/file_windows.go
+++ b/src/os/file_windows.go
@@ -111,10 +111,17 @@
path := fixLongPath(name)
- if len(path) == 2 && path[1] == ':' || (len(path) > 0 && path[len(path)-1] == '\\') { // it is a drive letter, like C:
+ if len(path) == 2 && path[1] == ':' { // it is a drive letter, like C:
mask = path + `*`
+ } else if len(path) > 0 {
+ lc := path[len(path)-1]
+ if lc == '/' || lc == '\\' {
+ mask = path + `*`
+ } else {
+ mask = path + `\*`
+ }
} else {
- mask = path + `\*`
+ mask = `\*`
}
maskp, e := syscall.UTF16PtrFromString(mask)
if e != nil {
diff --git a/src/os/path_windows_test.go b/src/os/path_windows_test.go
index f1745ad..862b404 100644
--- a/src/os/path_windows_test.go
+++ b/src/os/path_windows_test.go
@@ -74,3 +74,18 @@
t.Fatalf("MkdirAll(%q) should have failed, but did not", path)
}
}
+
+func TestOpenRootSlash(t *testing.T) {
+ tests := []string{
+ `/`,
+ `\`,
+ }
+
+ for _, test := range tests {
+ dir, err := os.Open(test)
+ if err != nil {
+ t.Fatalf("Open(%q) failed: %v", test, err)
+ }
+ dir.Close()
+ }
+}