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https://github.com/mozilla/gecko-dev.git
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88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
// The contents of this file are subject to the Mozilla Public License
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// Version 1.1 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License
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// at http://www.mozilla.org/MPL/
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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// the License for the specific language governing rights and
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// limitations under the License.
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//
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// The Initial Developer of the Original Code is Kipp E.B. Hickman.
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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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