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Nicolas Garza
4ccb98a3f2
also, add memutil, sharedmem_unsafe to nogo to fix build errors (false positive on analyze)
30 lines
986 B
Go
30 lines
986 B
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tcp
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import (
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"unsafe"
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)
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// optionsToArray converts a slice of capacity >-= maxOptionSize to an array.
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//
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// optionsToArray panics if the capacity of options is smaller than
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// maxOptionSize.
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func optionsToArray(options []byte) *[maxOptionSize]byte {
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// Reslice to full capacity.
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options = options[0:maxOptionSize]
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return (*[maxOptionSize]byte)(unsafe.Pointer(&options[0]))
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}
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