From 89a71934ad700582a3d6937bb936e2cb3c6704c8 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Mon, 27 Oct 2014 20:45:16 -0400
Subject: syscall: accept pre-existing directories in nacl zip file

NaCl creates /tmp. This lets the zip file populate it.

LGTM=adg
R=adg
CC=golang-codereviews
https://codereview.appspot.com/159600043
---
 src/syscall/fs_nacl.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/syscall')

diff --git a/src/syscall/fs_nacl.go b/src/syscall/fs_nacl.go
index 4abc9b81c..6e6ce2ab7 100644
--- a/src/syscall/fs_nacl.go
+++ b/src/syscall/fs_nacl.go
@@ -818,6 +818,12 @@ func create(name string, mode uint32, sec int64, data []byte) error {
 	fs.mu.Unlock()
 	f, err := fs.open(name, O_CREATE|O_EXCL, mode)
 	if err != nil {
+		if mode&S_IFMT == S_IFDIR {
+			ip, _, err := fs.namei(name, false)
+			if err == nil && (ip.Mode&S_IFMT) == S_IFDIR {
+				return nil // directory already exists
+			}
+		}
 		return err
 	}
 	ip := f.(*fsysFile).inode
-- 
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