Return const struct pointers from zval getters

Author: jmikola

php_phongo.c

@@ -897,7 +897,7 @@ mongoc_stream_t* phongo_stream_initiator(const mongoc_uri_t *uri, const mongoc_h
 
 /* }}} */
 
-mongoc_write_concern_t* phongo_write_concern_from_zval(zval *zwrite_concern TSRMLS_DC) /* {{{ */
+const mongoc_write_concern_t* phongo_write_concern_from_zval(zval *zwrite_concern TSRMLS_DC) /* {{{ */
 {
 	if (zwrite_concern) {
 		php_phongo_writeconcern_t *intern = (php_phongo_writeconcern_t *)zend_object_store_get_object(zwrite_concern TSRMLS_CC);
@@ -910,7 +910,7 @@ mongoc_write_concern_t* phongo_write_concern_from_zval(zval *zwrite_concern TSRM
 	return NULL;
 } /* }}} */
 
-mongoc_read_prefs_t* phongo_read_preference_from_zval(zval *zread_preference TSRMLS_DC) /* {{{ */
+const mongoc_read_prefs_t* phongo_read_preference_from_zval(zval *zread_preference TSRMLS_DC) /* {{{ */
 {
 	if (zread_preference) {
 		php_phongo_readpreference_t *intern = (php_phongo_readpreference_t *)zend_object_store_get_object(zread_preference TSRMLS_CC);
@@ -923,7 +923,7 @@ mongoc_read_prefs_t* phongo_read_preference_from_zval(zval *zread_preference TSR
 	return NULL;
 } /* }}} */
 
-php_phongo_query_t* phongo_query_from_zval(zval *zquery TSRMLS_DC) /* {{{ */
+const php_phongo_query_t* phongo_query_from_zval(zval *zquery TSRMLS_DC) /* {{{ */
 {
 	php_phongo_query_t *intern = (php_phongo_query_t *)zend_object_store_get_object(zquery TSRMLS_CC);
 

php_phongo.h

@@ -115,9 +115,9 @@ int                      phongo_execute_single_delete(mongoc_client_t *client, c
 mongoc_stream_t*         phongo_stream_initiator     (const mongoc_uri_t *uri, const mongoc_host_list_t *host, void *user_data, bson_error_t *error);
 zend_object_iterator*    phongo_result_get_iterator  (zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
 zend_object_iterator*    phongo_cursor_get_iterator  (zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
-mongoc_read_prefs_t*     phongo_read_preference_from_zval(zval *zread_preference TSRMLS_DC);
-mongoc_write_concern_t*  phongo_write_concern_from_zval  (zval *zwrite_concern TSRMLS_DC);
-php_phongo_query_t*      phongo_query_from_zval          (zval *zquery TSRMLS_DC);
+const mongoc_read_prefs_t*    phongo_read_preference_from_zval(zval *zread_preference TSRMLS_DC);
+const mongoc_write_concern_t* phongo_write_concern_from_zval  (zval *zwrite_concern TSRMLS_DC);
+const php_phongo_query_t*     phongo_query_from_zval          (zval *zquery TSRMLS_DC);
 
 void php_phongo_read_preference_to_zval(zval *retval, const mongoc_read_prefs_t *read_prefs);
 void php_phongo_write_concern_to_zval(zval *retval, const mongoc_write_concern_t *write_concern);

src/MongoDB/ReadPreference.c

@@ -147,7 +147,7 @@ zend_object_value php_phongo_readpreference_create_object(zend_class_entry *clas
 HashTable *php_phongo_readpreference_get_debug_info(zval *object, int *is_temp TSRMLS_DC) /* {{{ */
 {
 	zval                 retval = zval_used_for_init;
-	mongoc_read_prefs_t *read_prefs = phongo_read_preference_from_zval(object TSRMLS_CC);
+	const mongoc_read_prefs_t *read_prefs = phongo_read_preference_from_zval(object TSRMLS_CC);
 
 
 	*is_temp = 1;

src/MongoDB/WriteConcern.c

@@ -157,7 +157,7 @@ zend_object_value php_phongo_writeconcern_create_object(zend_class_entry *class_
 HashTable *php_phongo_writeconcern_get_debug_info(zval *object, int *is_temp TSRMLS_DC) /* {{{ */
 {
 	zval                    retval = zval_used_for_init;
-	mongoc_write_concern_t *write_concern = phongo_write_concern_from_zval(object TSRMLS_CC);
+	const mongoc_write_concern_t *write_concern = phongo_write_concern_from_zval(object TSRMLS_CC);
 
 
 	*is_temp = 1;