char **error_message was passed but not used. This causes problems in cases

of getaddrinfo() failure, because the upper layers don't get the error.
  initialize a variable because we were reading initialized in case of error.

main/network.c

@@ -205,10 +205,12 @@ static int php_network_getaddresses(const char *host, int socktype, struct socka
 # endif
 		
 	if ((n = getaddrinfo(host, NULL, &hints, &res))) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: getaddrinfo failed: %s", PHP_GAI_STRERROR(n));
+		spprintf(error_string, 0, "php_network_getaddresses: getaddrinfo failed: %s", PHP_GAI_STRERROR(n));
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", *error_string);
 		return 0;
 	} else if (res == NULL) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: getaddrinfo failed (null result pointer)");
+		spprintf(error_string, 0, "php_network_getaddresses: getaddrinfo failed (null result pointer) errno=%d", errno);
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", *error_string);
 		return 0;
 	}
 
@@ -232,7 +234,8 @@ static int php_network_getaddresses(const char *host, int socktype, struct socka
 		/* XXX NOT THREAD SAFE (is safe under win32) */
 		host_info = gethostbyname(host);
 		if (host_info == NULL) {
-			php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: gethostbyname failed");
+			spprintf(error_string, 0, "php_network_getaddresses: gethostbyname failed. errno=%d", errno);
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", *error_string);
 			return 0;
 		}
 		in = *((struct in_addr *) host_info->h_addr);

main/streams/xp_socket.c

@@ -601,7 +601,7 @@ static inline int php_tcp_sockop_connect(php_stream *stream, php_netstream_data_
 {
 	char *host = NULL, *bindto = NULL;
 	int portno, bindport = 0;
-	int err;
+	int err = 0;
 	int ret;
 	zval **tmpzval = NULL;