Function zeroVariant

lib/jacob-1.20_src/jacob-1.20/jni/Variant.cpp:96–107

* Class: com_jacob_com_Variant * Method: zeroVariant * Signature: ()V * * This should only be used on variant objects created by the * com layer as part of a call through EventProxy. * This zeros out the variant pointer in the Variant object * so that the calling COM program can free the memory. * instead of both the COM program and the Java GC doing it. */

 * instead of both the COM program and the Java GC doing it.
 */
void zeroVariant(JNIEnv *env, jobject _this)
{
  // sf 3435567 Fix a memory leak (detected with Glowcode) in Variant.cpp/zeroVariant function
  // does this code conflict with the function/method documentation now?
  // note that a related fix was proposed in SF 1689061 in EventProxy.cpp but never accepted
  VARIANT *v = extractVariant(env, _this);
  delete v;

  jclass clazz = env->GetObjectClass(_this);
  jfieldID jf = env->GetFieldID(clazz, VARIANT_FLD, "J");
  env->SetLongField(_this, jf, 0ll);
}


/**