From 0d0eff71652a0b8fcbfe678763d88eb142a544f9 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@golang.org>
Date: Thu, 15 Nov 2012 11:46:00 -0800
Subject: [PATCH] os: add FileMode.IsRegular

API change.

R=golang-dev, r, iant, rsc
CC=golang-dev
https://golang.org/cl/6844048
---
 src/pkg/os/types.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pkg/os/types.go b/src/pkg/os/types.go
index ecb57872d52..c561ea04fb8 100644
--- a/src/pkg/os/types.go
+++ b/src/pkg/os/types.go
@@ -88,6 +88,12 @@ func (m FileMode) IsDir() bool {
 	return m&ModeDir != 0
 }
 
+// IsRegular reports whether m describes a regular file.
+// That is, it tests that no mode type bits are set.
+func (m FileMode) IsRegular() bool {
+	return m&ModeType == 0
+}
+
 // Perm returns the Unix permission bits in m.
 func (m FileMode) Perm() FileMode {
 	return m & ModePerm