io/ioutil.TempFile for Windows

Fixes issue 834.

R=rsc, brainman
CC=golang-dev
http://codereview.appspot.com/1686047

Committer: Russ Cox <rsc@golang.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/pkg/os/env_unix.go b/src/pkg/os/env_unix.go
new file mode 100755
index 000000000..0c13bda0e
--- /dev/null
+++ b/src/pkg/os/env_unix.go
@@ -0,0 +1,19 @@
+// Copyright 2010 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Unix environment variables.
+
+package os
+
+// TempDir returns the default directory to use for temporary files.
+// On Unix-like systems, it uses the environment variable $TMPDIR
+// or, if that is empty, /tmp.
+// On Windows systems, it uses the Windows GetTempPath API.
+func TempDir() string {
+	dir := Getenv("TMPDIR")
+	if dir == "" {
+		dir = "/tmp"
+	}
+	return dir
+}