MFH: initialize variables and reduce the number of warnings

ext/soap/php_sdl.c

@@ -2264,7 +2264,7 @@ sdlPtr get_sdl(zval *this_ptr, char *uri TSRMLS_DC)
 	char* old_error_code = SOAP_GLOBAL(error_code);
 	int uri_len;
 	php_stream_context *context=NULL;
-	zval **tmp, **proxy_host, **proxy_port, *orig_context, *new_context;
+	zval **tmp, **proxy_host, **proxy_port, *orig_context = NULL, *new_context = NULL;
 	smart_str headers = {0};
 
 	if (SUCCESS == zend_hash_find(Z_OBJPROP_P(this_ptr),

ext/soap/soap.c

@@ -2523,7 +2523,7 @@ PHP_METHOD(SoapClient, __call)
 	zval **param;
 	int arg_count;
 	zval **tmp;
-	zend_bool free_soap_headers;
+	zend_bool free_soap_headers = 0;
 
 	HashPosition pos;
 

ext/spl/spl_iterators.c

@@ -821,7 +821,7 @@ static inline spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAME
 {
 	zval                 *zobject, *retval;
 	spl_dual_it_object   *intern;
-	zend_class_entry     *ce;
+	zend_class_entry     *ce = NULL;
 	int                   inc_refcount = 1;
 
 	php_set_error_handling(EH_THROW, spl_ce_InvalidArgumentException TSRMLS_CC);

ext/standard/math.c

@@ -448,7 +448,7 @@ PHP_FUNCTION(pow)
 		/* calculate pow(long,long) in O(log exp) operations, bail if overflow */
 		while (i >= 1) {
 			int overflow;
-			double dval;
+			double dval = 0.0;
 
 			if (i % 2) {
 				--i;

ext/xmlreader/php_xmlreader.c

@@ -831,7 +831,7 @@ PHP_METHOD(xmlreader, open)
 {
 	zval *id;
 	int source_len = 0;
-	xmlreader_object *intern;
+	xmlreader_object *intern = NULL;
 	char *source, *valid_file = NULL;
 	char resolved_path[MAXPATHLEN + 1];
 	xmlTextReaderPtr reader = NULL;
@@ -953,7 +953,7 @@ PHP_METHOD(xmlreader, XML)
 {
 	zval *id;
 	int source_len = 0;
-	xmlreader_object *intern;
+	xmlreader_object *intern = NULL;
 	char *source, *uri = NULL;
 	int resolved_path_len;
 	char *directory=NULL, resolved_path[MAXPATHLEN];

ext/xmlwriter/php_xmlwriter.c

@@ -1615,7 +1615,7 @@ PHP_FUNCTION(xmlwriter_open_uri)
 
 #ifdef ZEND_ENGINE_2
 	zval *this = getThis();
-	ze_xmlwriter_object *ze_obj;
+	ze_xmlwriter_object *ze_obj = NULL;
 #endif
 
 #ifndef ZEND_ENGINE_2
@@ -1694,7 +1694,7 @@ PHP_FUNCTION(xmlwriter_open_memory)
 
 #ifdef ZEND_ENGINE_2
 	zval *this = getThis();
-	ze_xmlwriter_object *ze_obj;
+	ze_xmlwriter_object *ze_obj = NULL;
 #endif
 
 #ifdef ZEND_ENGINE_2