1 /* 2 * Copyright (c) 2001, 2011, 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 28 void* must_malloc(size_t size); 29 #ifndef USE_MTRACE 30 #define mtrace(c, ptr, size) 31 #else 32 void mtrace(char c, void* ptr, size_t size); 33 #endif 34 35 // overflow management 36 #define OVERFLOW ((uint)-1) 37 #define PSIZE_MAX (OVERFLOW/2) /* normal size limit */ 38 39 inline size_t scale_size(size_t size, size_t scale) { 40 return (size > PSIZE_MAX / scale) ? OVERFLOW : size * scale; 41 } 42 43 inline size_t add_size(size_t size1, size_t size2) { 44 return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX) 45 ? OVERFLOW 46 : size1 + size2; 47 } 48 49 inline 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. 55 struct unpacker; 56 extern void unpack_abort(const char* msg, unpacker* u = null); 57 extern bool unpack_aborting(unpacker* u = null); 58 59 #ifndef PRODUCT 60 inline 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 67 void mkdirs(int oklen, char* path);