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author | Michael Muré <batolettre@gmail.com> | 2020-02-05 22:03:19 +0100 |
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committer | Michael Muré <batolettre@gmail.com> | 2020-02-05 22:33:03 +0100 |
commit | 1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6 (patch) | |
tree | e088b0fa43058afde1db71541d8fcb4b94905d6e /vendor/github.com/gorilla/websocket/mask.go | |
parent | f093be96e98284580d61664adecd0a2ff8b354e4 (diff) | |
download | git-bug-1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6.tar.gz |
migrate to go modules
Diffstat (limited to 'vendor/github.com/gorilla/websocket/mask.go')
-rw-r--r-- | vendor/github.com/gorilla/websocket/mask.go | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/vendor/github.com/gorilla/websocket/mask.go b/vendor/github.com/gorilla/websocket/mask.go deleted file mode 100644 index 6a88bbc7..00000000 --- a/vendor/github.com/gorilla/websocket/mask.go +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of -// this source code is governed by a BSD-style license that can be found in the -// LICENSE file. - -// +build !appengine - -package websocket - -import "unsafe" - -const wordSize = int(unsafe.Sizeof(uintptr(0))) - -func maskBytes(key [4]byte, pos int, b []byte) int { - - // Mask one byte at a time for small buffers. - if len(b) < 2*wordSize { - for i := range b { - b[i] ^= key[pos&3] - pos++ - } - return pos & 3 - } - - // Mask one byte at a time to word boundary. - if n := int(uintptr(unsafe.Pointer(&b[0]))) % wordSize; n != 0 { - n = wordSize - n - for i := range b[:n] { - b[i] ^= key[pos&3] - pos++ - } - b = b[n:] - } - - // Create aligned word size key. - var k [wordSize]byte - for i := range k { - k[i] = key[(pos+i)&3] - } - kw := *(*uintptr)(unsafe.Pointer(&k)) - - // Mask one word at a time. - n := (len(b) / wordSize) * wordSize - for i := 0; i < n; i += wordSize { - *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&b[0])) + uintptr(i))) ^= kw - } - - // Mask one byte at a time for remaining bytes. - b = b[n:] - for i := range b { - b[i] ^= key[pos&3] - pos++ - } - - return pos & 3 -} |