| /* |
| * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| //Definitions of our util functions |
| |
| void* must_malloc(size_t size); |
| #ifndef USE_MTRACE |
| #define mtrace(c, ptr, size) |
| #else |
| void mtrace(char c, void* ptr, size_t size); |
| #endif |
| |
| // overflow management |
| #define OVERFLOW ((size_t)-1) |
| #define PSIZE_MAX (OVERFLOW/2) /* normal size limit */ |
| |
| inline size_t scale_size(size_t size, size_t scale) { |
| return (size > PSIZE_MAX / scale) ? OVERFLOW : size * scale; |
| } |
| |
| inline size_t add_size(size_t size1, size_t size2) { |
| return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX) |
| ? OVERFLOW |
| : size1 + size2; |
| } |
| |
| inline size_t add_size(size_t size1, size_t size2, int size3) { |
| return add_size(add_size(size1, size2), size3); |
| } |
| |
| // These may be expensive, because they have to go via Java TSD, |
| // if the optional u argument is missing. |
| struct unpacker; |
| extern void unpack_abort(const char* msg, unpacker* u = null); |
| extern bool unpack_aborting(unpacker* u = null); |
| |
| #ifndef PRODUCT |
| inline bool endsWith(const char* str, const char* suf) { |
| size_t len1 = strlen(str); |
| size_t len2 = strlen(suf); |
| return (len1 > len2 && 0 == strcmp(str + (len1-len2), suf)); |
| } |
| #endif |
| |
| void mkdirs(int oklen, char* path); |