net: fix comment on IPv4bcast

In Go 1.8, almost all the platforms except NaCl provide network
interface and address identification and applications can use IPv4
limited or directed broadcast addresses appropriately.

Fixes #18176.

Change-Id: Ie5de834d19c0aaeb4128a3ca655f6c4c9ae5e501
Reviewed-on: https://go-review.googlesource.com/34435
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/net/ip.go b/src/net/ip.go
index 11518f05f41426a42de18f63c03fe3ccf731f617..4a7774ab38a334247d392c1764fe62118c57a863 100644 (file)
--- a/src/net/ip.go
+++ b/src/net/ip.go
@@ -90,7 +90,7 @@ func CIDRMask(ones, bits int) IPMask {
 
 // Well-known IPv4 addresses
 var (
-       IPv4bcast     = IPv4(255, 255, 255, 255) // broadcast
+       IPv4bcast     = IPv4(255, 255, 255, 255) // limited broadcast
        IPv4allsys    = IPv4(224, 0, 0, 1)       // all systems
        IPv4allrouter = IPv4(224, 0, 0, 2)       // all routers
        IPv4zero      = IPv4(0, 0, 0, 0)         // all zeros