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Posted to c-dev@xerces.apache.org by GitBox <gi...@apache.org> on 2021/12/04 19:26:27 UTC
[GitHub] [xerces-c] rouault commented on a change in pull request #44: [XERCESC-2233] DFAContentModel::buildDFA(): fix memory leaks when OutOfMemoryException occurs
rouault commented on a change in pull request #44:
URL: https://github.com/apache/xerces-c/pull/44#discussion_r762457868
##########
File path: src/xercesc/validators/common/DFAContentModel.cpp
##########
@@ -1191,12 +1203,21 @@ void DFAContentModel::buildDFA(ContentSpecNode* const curNode)
// table.
//
statesToDo[curState] = newSet;
- fTransTable[curState] = makeDefStateList();
- stateTable->put
- (
- newSet
- , new (fMemoryManager) XMLInteger(curState)
- );
+ try
+ {
+ fTransTable[curState] = makeDefStateList();
+ stateTable->put
+ (
+ newSet
+ , new (fMemoryManager) XMLInteger(curState)
+ );
+ }
+ catch( const OutOfMemoryException& e )
+ {
+ oomException = e;
Review comment:
>
possibly. I didn't want to change the code too much. Your suggestion will probably involve moving the cleanup code in a lambda function that will be called at the end of the nominal code path and in the catch() block.
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