Eliminate unnecessary initialization code.

Connection.c

@@ -814,7 +814,6 @@ static PyObject* Connection_New(
     if (!self)
         return NULL;
     self->commitMode = OCI_DEFAULT;
-    self->environment = NULL;
 
     return (PyObject*) self;
 }

Environment.c

@@ -72,11 +72,8 @@ static udt_Environment *Environment_New(
     env = (udt_Environment*) g_EnvironmentType.tp_alloc(&g_EnvironmentType, 0);
     if (!env)
         return NULL;
-    env->handle = NULL;
-    env->errorHandle = NULL;
     env->fixedWidth = 1;
     env->maxBytesPerCharacter = 1;
-    env->cloneEnv = NULL;
     cxBuffer_Init(&env->numberToStringFormatBuffer);
     cxBuffer_Init(&env->numberFromStringFormatBuffer);
     cxBuffer_Init(&env->nlsNumericCharactersBuffer);

ObjectType.c

@@ -363,13 +363,6 @@ static udt_ObjectType *ObjectType_New(
         return NULL;
     Py_INCREF(connection->environment);
     self->environment = connection->environment;
-    self->tdo = NULL;
-    self->schema = NULL;
-    self->name = NULL;
-    self->attributes = NULL;
-    self->attributesByName = NULL;
-    self->elementType = NULL;
-    self->isCollection = 0;
     if (ObjectType_Initialize(self, connection, param, nameAttribute) < 0) {
         Py_DECREF(self);
         return NULL;
@@ -553,8 +546,6 @@ static udt_ObjectAttribute *ObjectAttribute_New(
             g_ObjectAttributeType.tp_alloc(&g_ObjectAttributeType, 0);
     if (!self)
         return NULL;
-    self->name = NULL;
-    self->subType = NULL;
     if (ObjectAttribute_Initialize(self, connection, param) < 0) {
         Py_DECREF(self);
         return NULL;

SessionPool.c

@@ -160,7 +160,6 @@ static PyObject *SessionPool_New(
     newObject = (udt_SessionPool*) type->tp_alloc(type, 0);
     if (!newObject)
         return NULL;
-    newObject->environment = NULL;
 
     return (PyObject*) newObject;
 }

Subscription.c

@@ -910,8 +910,6 @@ static udt_Subscription *Subscription_New(
     self->operations = operations;
     self->qos = qos;
     self->cqqos = cqqos;
-    self->handle = NULL;
-    self->id = 0;
     if (Subscription_Register(self) < 0) {
         Py_DECREF(self);
         return NULL;

Variable.c

@@ -229,25 +229,11 @@ static udt_Variable *Variable_New(
     // perform basic initialization
     Py_INCREF(cursor->connection->environment);
     self->environment = cursor->connection->environment;
-    self->boundCursorHandle = NULL;
-    self->bindHandle = NULL;
-    self->defineHandle = NULL;
-    self->boundName = NULL;
-    self->inConverter = NULL;
-    self->outConverter = NULL;
-    self->boundPos = 0;
     if (numElements < 1)
         self->allocatedElements = 1;
     else self->allocatedElements = numElements;
-    self->actualElements = 0;
-    self->internalFetchNum = 0;
-    self->isArray = 0;
     self->isAllocatedInternally = 1;
     self->type = type;
-    self->indicator = NULL;
-    self->data = NULL;
-    self->actualLength = NULL;
-    self->returnCode = NULL;
 
     // set the maximum length of the variable, ensure that a minimum of
     // 2 bytes is allocated to ensure that the array size check works