forked from opencontainers/runc
/
reader_scan_amd64.go
49 lines (41 loc) · 1.04 KB
/
reader_scan_amd64.go
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// +build amd64
// +build !appengine
/**
* Copyright 2014 Paul Querna
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package v1
func haveSSE42() bool
func scanStringSSE(s []byte, j int) (int, byte)
var sse42 = haveSSE42()
func scanString(s []byte, j int) (int, byte) {
// XXX The following fails to compile on Go 1.2.
/*
if false && sse42 {
return scanStringSSE(s, j)
}
*/
for {
if j >= len(s) {
return j, 0
}
c := s[j]
j++
if byteLookupTable[c]&sliceStringMask == 0 {
continue
}
return j, c
}
}