From: Gustavo Niemeyer <gustavo@niemeyer.net>
Date: Thu, 1 Dec 2011 19:35:43 +0000 (-0200)
Subject: os: add ModeType constant to mask file type bits
X-Git-Tag: weekly.2011-12-02~3
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=d2b77bb194b8377c1b1ba5826960f1e63f13a51a;p=gostls13.git

os: add ModeType constant to mask file type bits

This covers the lack of IsRegular comfortably:

    if stat.Mode()&os.ModeType == 0 { ... }

R=golang-dev, r, rsc, r, gustavo
CC=golang-dev
https://golang.org/cl/5440075
---

diff --git a/src/pkg/os/types.go b/src/pkg/os/types.go
index dff7090cdb..2638153ddb 100644
--- a/src/pkg/os/types.go
+++ b/src/pkg/os/types.go
@@ -44,6 +44,9 @@ const (
 	ModeSetuid                                    // u: setuid
 	ModeSetgid                                    // g: setgid
 
+	// Mask for the type bits. For regular files, none will be set.
+	ModeType = ModeDir | ModeSymlink | ModeNamedPipe | ModeSocket | ModeDevice
+
 	ModePerm FileMode = 0777 // permission bits
 )