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Viewing changes to src/code.google.com/p/go.net/ipv6/icmp_bsd.go

  • Committer: Package Import Robot
  • Author(s): Robie Basak
  • Date: 2015-07-15 13:09:07 UTC
  • mfrom: (35.1.15 wily-proposed)
  • Revision ID: package-import@ubuntu.com-20150715130907-wqak1zpebzzdvy3q
Tags: 1.22.6-0ubuntu1~14.04.1
https://launchpad.net/bugs/1469744
* No change backport to 14.04 (LP: #1469744). This results in the
  following packaging delta from the previous 1.20.11-0ubuntu0.14.04.1
  in trusty-updates:
  - distro-info added and libgo5 removed from Build-Depends.
  - Standards-Version bumped.
  - cloud-image-utils | cloud-utils added to juju-local Depends.
  - d/copyright updated.
  - dep8 tests updated.

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Lines of Context:
src/code.google.com/p/go.net/ipv6/icmp_bsd.go
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// Copyright 2013 The Go Authors.  All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin freebsd netbsd openbsd
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package ipv6
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type sysICMPFilter struct {
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        Filt [8]uint32
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}
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func (f *sysICMPFilter) set(typ ICMPType, block bool) {
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        if block {
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                f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
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        } else {
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                f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
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        }
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}
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func (f *sysICMPFilter) setAll(block bool) {
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        for i := range f.Filt {
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                if block {
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                        f.Filt[i] = 0
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                } else {
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                        f.Filt[i] = 1<<32 - 1
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                }
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        }
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}
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func (f *sysICMPFilter) willBlock(typ ICMPType) bool {
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        return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
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}