1. tms-old
  2. beam
  3. libBeam
  4. BRefData.cpp
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/******************************************************************************* * BRefData.cc Referenced data storage * T.Barnaby, Beam Ltd, 6/10/94 ******************************************************************************* */
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#include <stdio.h>
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#include <stdlib.h> #include <string.h>
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#include <BRefData.h>
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#define CHUNK 16 BRefData::BRefData(){
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odata = 0; olen = 0; orefCount = 1;
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} BRefData::BRefData(int len){
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odata = 0; olen = 0; orefCount = 1;
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setLen(len); } BRefData::BRefData(const BRefData& refData){
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olen = refData.olen; odata = malloc(olen); memcpy(odata, refData.odata, olen); orefCount = 1;
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}
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BRefData& BRefData::operator=(const BRefData& refData){ free(odata); olen = refData.olen; odata = malloc(olen); memcpy(odata, refData.odata, olen); orefCount = 1;
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return *this; } BRefData::~BRefData(){
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free(odata); odata = 0; olen = 0; orefCount = 0;
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} BRefData* BRefData::copy(){ BRefData* r = this;
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if(++orefCount > 2){
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r = new BRefData(*this);
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orefCount.add(-2); } else { orefCount--;
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} return r; } BRefData* BRefData::addRef(){
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orefCount++;
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return this; } int BRefData::deleteRef(){
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return --orefCount;
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} void BRefData::setLen(int len){
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olen = len; odata = realloc(odata, olen);
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}