mirror of
https://github.com/rn10950/RetroZilla.git
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113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Kipp E.B. Hickman <kipp@netscape.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <malloc.h>
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#include "dict.h"
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#ifdef __QNXNTO__
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/* Need definition of NULL */
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#include <stdio.h>
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#endif
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MallocDict::MallocDict(int nb)
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{
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numBuckets = nb;
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buckets = (MallocDictEntry**) calloc(numBuckets, sizeof(MallocDictEntry*));
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rewind();
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}
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void MallocDict::rewind(void)
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{
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iterNextBucket = -1;
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iterNextEntry = 0;
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}
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malloc_log_entry* MallocDict::next(void)
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{
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if (iterNextEntry) {
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iterNextEntry = iterNextEntry->next;
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}
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while (!iterNextEntry) {
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iterNextBucket++;
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if (iterNextBucket >= numBuckets) {
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return 0;
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}
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iterNextEntry = buckets[iterNextBucket];
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}
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return iterNextEntry->logEntry;
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}
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malloc_log_entry** MallocDict::find(u_long addr)
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{
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u_long hash = addr % numBuckets;
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MallocDictEntry* mde = buckets[hash];
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while (mde) {
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if (mde->addr == addr) {
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return &mde->logEntry;
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}
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mde = mde->next;
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}
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return 0;
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}
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void MallocDict::add(u_long addr, malloc_log_entry *lep)
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{
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u_long hash = addr % numBuckets;
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MallocDictEntry** mdep = &buckets[hash];
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MallocDictEntry* mde = new MallocDictEntry;
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mde->addr = addr;
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mde->logEntry = lep;
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mde->next = *mdep;
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*mdep = mde;
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}
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void MallocDict::remove(u_long addr)
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{
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u_long hash = addr % numBuckets;
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MallocDictEntry** mdep = &buckets[hash];
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MallocDictEntry* mde;
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while (NULL != (mde = *mdep)) {
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if (mde->addr == addr) {
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*mdep = mde->next;
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/*XXX delete mde; */
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return;
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}
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mdep = &mde->next;
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}
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}
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