1 /*
2 * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package gc.stress.gcbasher;
26
27 class ByteCursor {
28 private int offset;
29 private byte[] data;
30
31 public ByteCursor(byte[] data) {
32 this.offset = 0;
33 this.data = data;
34 }
35
36 public int getOffset() {
37 return offset;
38 }
39
40 public void skipBytes(int n) {
41 offset += n;
42 }
43
44 public int readUnsignedByte() {
45 int val = readUnsignedByteAt(offset);
46 offset += 1;
47 return val;
48 }
49
50 public int readUnsignedByteAt(int offset) {
51 return data[offset++] & 0xff;
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1 /*
2 * Copyright (c) 2016, 2026, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package gc.stress.gcbasher;
26
27 class ByteCursor {
28 private int offset;
29 private Byte[] data;
30
31 public ByteCursor(Byte[] data) {
32 this.offset = 0;
33 this.data = data;
34 }
35
36 public int getOffset() {
37 return offset;
38 }
39
40 public void skipBytes(int n) {
41 offset += n;
42 }
43
44 public int readUnsignedByte() {
45 int val = readUnsignedByteAt(offset);
46 offset += 1;
47 return val;
48 }
49
50 public int readUnsignedByteAt(int offset) {
51 return data[offset++] & 0xff;
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