[CoinUtils-tickets] [COIN-OR Common Utilities] #78: destructor of CoinLpIO

[COIN-OR Common Utilities]

#78: destructor of CoinLpIO
------------------+-------------------
Reporter:  Uonly  |      Type:  defect
  Status:  new    |  Priority:  minor
 Version:         |  Keywords:
------------------+-------------------
 the code did not set the pointer to NULL after deletion.  add handler_ =
 NULL to the destructor of CoinLpIO. Otherwise, seg fault when having
 multiple objects of CoinLpIO

 CoinLpIO::~CoinLpIO() {
   stopHash(0);
   stopHash(1);
   freeAll();
   if (defaultHandler_) {
     delete handler_;
     handler_ = NULL;
   }
 }

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Ticket URL: <https://projects.coin-or.org/ticket/78>
COIN-OR Common Utilities <http://projects.coin-or.org/CoinUtils>
Common data structures and linear algebra functions for COIN-OR projects