1/*
2 * Copyright (c) 2001, 2018, 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
23 * questions.
24 */
25
26//Definitions of our util functions
27
28void* must_malloc(size_t size);
29#ifndef USE_MTRACE
30#define mtrace(c, ptr, size)
31#else
32void mtrace(char c, void* ptr, size_t size);
33#endif
34
35// overflow management
36#define POVERFLOW ((uint)-1)
37#define PSIZE_MAX (POVERFLOW/2) /* normal size limit */
38
39inline size_t scale_size(size_t size, size_t scale) {
40 return (size > PSIZE_MAX / scale) ? POVERFLOW : size * scale;
41}
42
43inline size_t add_size(size_t size1, size_t size2) {
44 return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX)
45 ? POVERFLOW
46 : size1 + size2;
47}
48
49inline size_t add_size(size_t size1, size_t size2, int size3) {
50 return add_size(add_size(size1, size2), size3);
51}
52
53// These may be expensive, because they have to go via Java TSD,
54// if the optional u argument is missing.
55struct unpacker;
56extern void unpack_abort(const char* msg, unpacker* u = null);
57extern bool unpack_aborting(unpacker* u = null);
58
59#ifndef PRODUCT
60inline bool endsWith(const char* str, const char* suf) {
61 size_t len1 = strlen(str);
62 size_t len2 = strlen(suf);
63 return (len1 > len2 && 0 == strcmp(str + (len1-len2), suf));
64}
65#endif
66
67void mkdirs(int oklen, char* path);
68