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os: Fix MkdirAll("/thisdoesnotexist").

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Fixes #1637.

R=rsc, rh, msolo
CC=golang-dev
https://golang.org/cl/4317049
This commit is contained in:
Albert Strasheim 2011-04-04 15:45:03 -04:00 committed by Russ Cox
parent 5a59b9eba3
commit 492039ae7f
2 changed files with 18 additions and 1 deletions
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2
src/pkg/os/path.go
View File

@ -33,7 +33,7 @@ func MkdirAll(path string, perm uint32) Error {
j--
}
if j > 0 {
if j > 1 {
// Create parent
err = MkdirAll(path[0:j-1], perm)
if err != nil {

17
src/pkg/os/path_test.go
View File

@ -179,3 +179,20 @@ func TestMkdirAllWithSymlink(t *testing.T) {
t.Errorf("MkdirAll %q: %s", path, err)
}
}
func TestMkdirAllAtSlash(t *testing.T) {
if runtime.GOOS == "windows" {
return
}
RemoveAll("/_go_os_test")
err := MkdirAll("/_go_os_test/dir", 0777)
if err != nil {
pathErr, ok := err.(*PathError)
// common for users not to be able to write to /
if ok && pathErr.Error == EACCES {
return
}
t.Fatalf(`MkdirAll "/_go_os_test/dir": %v`, err)
}
RemoveAll("/_go_os_test")
}