jdk/src/jdk.runtime/share/native/common-unpack/utils.h
author chegar
Sun, 17 Aug 2014 15:54:13 +0100
changeset 25859 3317bb8137f4
parent 10907 jdk/src/share/native/com/sun/java/util/jar/pack/utils.h@ea32ea5b72d7
permissions -rw-r--r--
8054834: Modular Source Code Reviewed-by: alanb, chegar, ihse, mduigou Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com
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/*
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 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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//Definitions of our util functions
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void* must_malloc(size_t size);
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#ifndef USE_MTRACE
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#define mtrace(c, ptr, size)
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#else
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void mtrace(char c, void* ptr, size_t size);
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#endif
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// overflow management
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#define OVERFLOW ((uint)-1)
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#define PSIZE_MAX (OVERFLOW/2)  /* normal size limit */
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inline size_t scale_size(size_t size, size_t scale) {
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  return (size > PSIZE_MAX / scale) ? OVERFLOW : size * scale;
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}
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inline size_t add_size(size_t size1, size_t size2) {
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  return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX)
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    ? OVERFLOW
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    : size1 + size2;
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}
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inline size_t add_size(size_t size1, size_t size2, int size3) {
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  return add_size(add_size(size1, size2), size3);
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}
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// These may be expensive, because they have to go via Java TSD,
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// if the optional u argument is missing.
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struct unpacker;
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extern void unpack_abort(const char* msg, unpacker* u = null);
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extern bool unpack_aborting(unpacker* u = null);
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#ifndef PRODUCT
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inline bool endsWith(const char* str, const char* suf) {
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  size_t len1 = strlen(str);
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  size_t len2 = strlen(suf);
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  return (len1 > len2 && 0 == strcmp(str + (len1-len2), suf));
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}
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#endif
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void mkdirs(int oklen, char* path);