b8dd2e555f
Range checks in inflate, compress and getChars are not strict enough. Reviewed-by: kvn, twisti, jrose
77 lines
3.0 KiB
Java
77 lines
3.0 KiB
Java
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.lang;
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/**
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* A helper class to get access to package-private members
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*/
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public class Helper {
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@jdk.internal.vm.annotation.ForceInline
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public static boolean StringCodingHasNegatives(byte[] ba, int off, int len) {
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return StringCoding.hasNegatives(ba, off, len);
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}
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@jdk.internal.vm.annotation.ForceInline
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public static byte[] compressByte(byte[] src, int srcOff, int dstSize, int dstOff, int len) {
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byte[] dst = new byte[dstSize];
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StringUTF16.compress(src, srcOff, dst, dstOff, len);
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return dst;
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}
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@jdk.internal.vm.annotation.ForceInline
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public static byte[] compressChar(char[] src, int srcOff, int dstSize, int dstOff, int len) {
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byte[] dst = new byte[dstSize];
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StringUTF16.compress(src, srcOff, dst, dstOff, len);
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return dst;
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}
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@jdk.internal.vm.annotation.ForceInline
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public static byte[] inflateByte(byte[] src, int srcOff, int dstSize, int dstOff, int len) {
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byte[] dst = new byte[dstSize];
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StringLatin1.inflate(src, srcOff, dst, dstOff, len);
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return dst;
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}
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@jdk.internal.vm.annotation.ForceInline
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public static char[] inflateChar(byte[] src, int srcOff, int dstSize, int dstOff, int len) {
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char[] dst = new char[dstSize];
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StringLatin1.inflate(src, srcOff, dst, dstOff, len);
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return dst;
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}
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@jdk.internal.vm.annotation.ForceInline
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public static byte[] toBytes(char[] value, int off, int len) {
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return StringUTF16.toBytes(value, off, len);
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}
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@jdk.internal.vm.annotation.ForceInline
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public static char[] getChars(byte[] value, int srcBegin, int srcEnd, int dstSize, int dstBegin) {
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char[] dst = new char[dstSize];
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StringUTF16.getChars(value, srcBegin, srcEnd, dst, dstBegin);
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return dst;
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}
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}
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