From: Nikita Popov <nikita.ppv@gmail.com>
Date: Fri, 12 Apr 2019 11:18:23 +0000 (+0200)
Subject: Avoid unitialized variable warning in soap
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a830682a9a767a92de84b4d7c35d072a8f5fc2a6;p=php

Avoid unitialized variable warning in soap

Extract envelope fetch into separate function, so the control
flow becomes more obvious.
---

diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index 312e121ae0..9984a343ca 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -2077,7 +2077,7 @@ static void soap_server_fault_ex(sdlFunctionPtr function, zval* fault, soapHeade
 }
 /* }}} */
 
-static void soap_server_fault(char* code, char* string, char *actor, zval* details, char* name) /* {{{ */
+static ZEND_NORETURN void soap_server_fault(char* code, char* string, char *actor, zval* details, char* name) /* {{{ */
 {
 	zval ret;
 
@@ -3398,37 +3398,43 @@ static sdlFunctionPtr find_function(sdlPtr sdl, xmlNodePtr func, zval* function_
 }
 /* }}} */
 
-static sdlFunctionPtr deserialize_function_call(sdlPtr sdl, xmlDocPtr request, char* actor, zval *function_name, int *num_params, zval **parameters, int *version, soapHeader **headers) /* {{{ */
-{
-	char* envelope_ns = NULL;
-	xmlNodePtr trav,env,head,body,func;
-	xmlAttrPtr attr;
-	sdlFunctionPtr function;
-
-	encode_reset_ns();
-
-	/* Get <Envelope> element */
-	env = NULL;
-	trav = request->children;
+static xmlNodePtr get_envelope(xmlNodePtr trav, int *version, char **envelope_ns) {
 	while (trav != NULL) {
 		if (trav->type == XML_ELEMENT_NODE) {
-			if (env == NULL && node_is_equal_ex(trav,"Envelope",SOAP_1_1_ENV_NAMESPACE)) {
-				env = trav;
+			if (node_is_equal_ex(trav,"Envelope",SOAP_1_1_ENV_NAMESPACE)) {
 				*version = SOAP_1_1;
-				envelope_ns = SOAP_1_1_ENV_NAMESPACE;
+				*envelope_ns = SOAP_1_1_ENV_NAMESPACE;
 				SOAP_GLOBAL(soap_version) = SOAP_1_1;
-			} else if (env == NULL && node_is_equal_ex(trav,"Envelope",SOAP_1_2_ENV_NAMESPACE)) {
-				env = trav;
+				return trav;
+			}
+
+			if (node_is_equal_ex(trav,"Envelope",SOAP_1_2_ENV_NAMESPACE)) {
 				*version = SOAP_1_2;
-				envelope_ns = SOAP_1_2_ENV_NAMESPACE;
+				*envelope_ns = SOAP_1_2_ENV_NAMESPACE;
 				SOAP_GLOBAL(soap_version) = SOAP_1_2;
-			} else {
-				soap_server_fault("VersionMismatch", "Wrong Version", NULL, NULL, NULL);
+				return trav;
 			}
+
+			soap_server_fault("VersionMismatch", "Wrong Version", NULL, NULL, NULL);
 		}
 		trav = trav->next;
 	}
-	if (env == NULL) {
+
+	return NULL;
+}
+
+static sdlFunctionPtr deserialize_function_call(sdlPtr sdl, xmlDocPtr request, char* actor, zval *function_name, int *num_params, zval **parameters, int *version, soapHeader **headers) /* {{{ */
+{
+	char* envelope_ns = NULL;
+	xmlNodePtr trav,env,head,body,func;
+	xmlAttrPtr attr;
+	sdlFunctionPtr function;
+
+	encode_reset_ns();
+
+	/* Get <Envelope> element */
+	env = get_envelope(request->children, version, &envelope_ns);
+	if (!env) {
 		soap_server_fault("Client", "looks like we got XML without \"Envelope\" element", NULL, NULL, NULL);
 	}