| 1 | /*
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| 2 | * Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved.
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| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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| 4 | *
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| 5 | * This code is free software; you can redistribute it and/or modify it
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| 6 | * under the terms of the GNU General Public License version 2 only, as
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| 7 | * published by the Free Software Foundation. Oracle designates this
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| 8 | * particular file as subject to the "Classpath" exception as provided
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| 9 | * by Oracle in the LICENSE file that accompanied this code.
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| 10 | *
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| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT
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| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 14 | * version 2 for more details (a copy is included in the LICENSE file that
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| 15 | * accompanied this code).
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License version
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| 18 | * 2 along with this work; if not, write to the Free Software Foundation,
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| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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| 20 | *
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| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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| 22 | * or visit www.oracle.com if you need additional information or have any
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| 23 | * questions.
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| 24 | */
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| 25 |
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| 26 | #ifndef JDWP_BAG_H
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| 27 | #define JDWP_BAG_H
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| 28 |
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| 29 | #include <jni.h>
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| 30 |
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| 31 | /* Declare general routines for manipulating a bag data structure.
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| 32 | * Synchronized use is the responsibility of caller.
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| 33 | */
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| 34 |
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| 35 | struct bag;
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| 36 |
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| 37 | /* Must be used to create a bag. itemSize is the size
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| 38 | * of the items stored in the bag. initialAllocation is a hint
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| 39 | * for the initial number of items to allocate. Returns the
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| 40 | * allocated bag, returns NULL if out of memory.
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| 41 | */
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| 42 | struct bag *bagCreateBag(int itemSize, int initialAllocation);
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| 43 |
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| 44 | /*
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| 45 | * Copy bag contents to another new bag. The new bag is returned, or
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| 46 | * NULL if out of memory.
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| 47 | */
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| 48 | struct bag *bagDup(struct bag *);
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| 49 |
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| 50 | /* Destroy the bag and reclaim the space it uses.
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| 51 | */
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| 52 | void bagDestroyBag(struct bag *theBag);
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| 53 |
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| 54 | /* Find 'key' in bag. Assumes first entry in item is a pointer.
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| 55 | * Return found item pointer, NULL if not found.
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| 56 | */
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| 57 | void *bagFind(struct bag *theBag, void *key);
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| 58 |
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| 59 | /* Add space for an item in the bag.
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| 60 | * Return allocated item pointer, NULL if no memory.
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| 61 | */
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| 62 | void *bagAdd(struct bag *theBag);
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| 63 |
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| 64 | /* Delete specified item from bag.
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| 65 | * Does no checks.
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| 66 | */
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| 67 | void bagDelete(struct bag *theBag, void *condemned);
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| 68 |
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| 69 | /* Delete all items from the bag.
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| 70 | */
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| 71 | void bagDeleteAll(struct bag *theBag);
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| 72 |
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| 73 | /* Return the count of items stored in the bag.
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| 74 | */
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| 75 | int bagSize(struct bag *theBag);
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| 76 |
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| 77 | /* Enumerate over the items in the bag, calling 'func' for
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| 78 | * each item. The function is passed the item and the user
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| 79 | * supplied 'arg'. Abort the enumeration if the function
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| 80 | * returns FALSE. Return TRUE if the enumeration completed
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| 81 | * successfully and FALSE if it was aborted.
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| 82 | * Addition and deletion during enumeration is not supported.
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| 83 | */
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| 84 | typedef jboolean (*bagEnumerateFunction)(void *item, void *arg);
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| 85 |
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| 86 | jboolean bagEnumerateOver(struct bag *theBag,
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| 87 | bagEnumerateFunction func, void *arg);
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| 88 |
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| 89 | #endif
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