Laurent Pelecq created XERCESC-2168:
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Summary: Memory leak in ValueVectorOf
Key: XERCESC-2168
URL: https://issues.apache.org/jira/browse/XERCESC-2168
Project: Xerces-C++
Issue Type: Bug
Components: Utilities
Affects Versions: 3.2.2
Reporter: Laurent Pelecq
Attachments: memory_leaks_no_realloc.txt, memory_leaks_realloc.txt,
xerces_leak.cpp, xerces_operator_leak.patch
ValueVectorOf has been changed to call the object destructors for example in
~ValueOfVector:
{{{color:#205081}template <class TElem>
ValueVectorOf<TElem>::~ValueVectorOf(){color}}}
{{{color:#205081}{{color}}}
{{ {color:#8eb021}if (fCallDestructor) {{color}}}
{{{color:#8eb021} for (XMLSize_t index=fMaxCount; index > 0;
index--){color}}}
{{{color:#8eb021} fElemList[index-1].~TElem();{color}}}
{{{color:#8eb021} }{color}}}
{{{color:#205081} fMemoryManager->deallo[link
title|http://example.com]cate(fElemList); //delete [] fElemList;{color}}}
{{{color:#205081}}{color}}}
But the code is missing in ValueVectorOf<TElem>::operator=.
A sample code is attached with the corresponding valgrind reports. The sample
covers the case where the buffer shrinks (no realloc) or grows (pass realloc as
argument to the command).
The attached patch fixes the leak.
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