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       bson_valgrind - Use Valgrind to Check For BSON Data Leaks

       A  stack-allocated  bson_t  contains  a  small  internal  buffer;  it  only heap-allocates
       additional storage if necessary, depending on its data size. Therefore if  you  forget  to
       call bson_destroy on a stack-allocated bson_t, it might or might not cause a leak that can
       be detected by valgrind during testing.

       To catch all potential BSON data leaks in your code, configure the BSON_MEMCHECK flag:

          cmake -DCMAKE_C_FLAGS="-DBSON_MEMCHECK -g" .

       With this flag set, every bson_t mallocs at least one byte. Run your  program's  unittests
       with valgrind to verify all bson_t structs are destroyed.

       Set  the  environment  variable  MONGOC_TEST_VALGRIND to on to skip timing-dependent tests
       known to fail with valgrind.


       MongoDB, Inc


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