1 /*
2 * Copyright (c) 2015, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
109 // clean-up array of dirty part[fromIndex; toIndex[
110 fill(array, fromIndex, toIndex, 0);
111
112 // fill cache:
113 intArrays.addLast(array);
114 }
115
116 static void fill(final int[] array, final int fromIndex,
117 final int toIndex, final int value)
118 {
119 // clear array data:
120 /*
121 * Arrays.fill is faster than System.arraycopy(empty array)
122 * or Unsafe.setMemory(byte 0)
123 */
124 if (toIndex != 0) {
125 Arrays.fill(array, fromIndex, toIndex, value);
126 }
127
128 if (doChecks) {
129 check(array, 0, array.length, value);
130 }
131 }
132
133 static void check(final int[] array, final int fromIndex,
134 final int toIndex, final int value)
135 {
136 if (doChecks) {
137 // check zero on full array:
138 for (int i = fromIndex; i < toIndex; i++) {
139 if (array[i] != value) {
140 logException("Invalid array value at " + i + "\n"
141 + Arrays.toString(array), new Throwable());
142
143 // ensure array is correctly filled:
144 Arrays.fill(array, value);
145
146 return;
147 }
148 }
149 }
150 }
151 }
|
1 /*
2 * Copyright (c) 2015, 2016, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
109 // clean-up array of dirty part[fromIndex; toIndex[
110 fill(array, fromIndex, toIndex, 0);
111
112 // fill cache:
113 intArrays.addLast(array);
114 }
115
116 static void fill(final int[] array, final int fromIndex,
117 final int toIndex, final int value)
118 {
119 // clear array data:
120 /*
121 * Arrays.fill is faster than System.arraycopy(empty array)
122 * or Unsafe.setMemory(byte 0)
123 */
124 if (toIndex != 0) {
125 Arrays.fill(array, fromIndex, toIndex, value);
126 }
127
128 if (doChecks) {
129 check(array, fromIndex, toIndex, value);
130 }
131 }
132
133 static void check(final int[] array, final int fromIndex,
134 final int toIndex, final int value)
135 {
136 if (doChecks) {
137 // check zero on full array:
138 for (int i = 0; i < array.length; i++) {
139 if (array[i] != value) {
140 logException("Invalid value at: " + i + " = " + array[i]
141 + " from: " + fromIndex + " to: " + toIndex + "\n"
142 + Arrays.toString(array), new Throwable());
143
144 // ensure array is correctly filled:
145 Arrays.fill(array, value);
146
147 return;
148 }
149 }
150 }
151 }
152 }
|