diff --git a/transports/curl.c b/transports/curl.c
index 2abf365..6f9c3d3 100644
--- a/transports/curl.c
+++ b/transports/curl.c
@@ -418,7 +418,6 @@ yar_response_t * php_yar_curl_exec(yar_transport_interface_t* self, yar_request_
 } /* }}} */
 
 int php_yar_curl_send(yar_transport_interface_t* self, yar_request_t *request, char **msg TSRMLS_DC) /* {{{ */ {
-	CURL *cp;
 	zval *payload;
 	yar_header_t header = {0};
 	yar_curl_data_t *data = (yar_curl_data_t *)self->data;
@@ -432,7 +431,6 @@ int php_yar_curl_send(yar_transport_interface_t* self, yar_request_t *request, c
 
 	php_yar_protocol_render(&header, request->id, data->host->user, data->host->pass, Z_STRLEN_P(payload), 0 TSRMLS_CC);
 
-	cp = data->cp;
 	smart_str_appendl(&data->postfield, (char *)&header, sizeof(yar_header_t));
 	smart_str_appendl(&data->postfield, Z_STRVAL_P(payload), Z_STRLEN_P(payload));
 	zval_ptr_dtor(&payload);
@@ -723,7 +721,7 @@ int php_yar_curl_multi_exec(yar_transport_multi_interface_t *self, yar_concurren
 				goto onerror;
 			} else {
 				/* timeout */
-				php_error_docref(NULL TSRMLS_CC, E_WARNING, "select timeout '%d' seconds reached", YAR_G(timeout));
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "select timeout '%ld' seconds reached", YAR_G(timeout));
 				goto onerror;
 			}
 #endif
diff --git a/transports/socket.c b/transports/socket.c
index 627d351..2d1c9f8 100644
--- a/transports/socket.c
+++ b/transports/socket.c
@@ -210,7 +210,7 @@ int php_yar_socket_send(yar_transport_interface_t* self, yar_request_t *request,
 	fd_set rfds;
 	zval *payload;
 	struct timeval tv;
-	int ret, fd, retval;
+	int ret = -1, fd, retval;
 	char buf[SEND_BUF_SIZE];
 	yar_header_t header = {0};
 	yar_socket_data_t *data = (yar_socket_data_t *)self->data;
@@ -242,11 +242,11 @@ int php_yar_socket_send(yar_transport_interface_t* self, yar_request_t *request,
 
 	if (retval == -1) {
 		zval_ptr_dtor(&payload);
-		spprintf(msg, 0, "select error '%s'", fd, strerror(errno));
+		spprintf(msg, 0, "select error '%s'", strerror(errno));
 		return 0;
 	} else if (retval == 0) {
 		zval_ptr_dtor(&payload);
-		spprintf(msg, 0, "select timeout '%d' seconds reached", YAR_G(timeout));
+		spprintf(msg, 0, "select timeout '%ld' seconds reached", YAR_G(timeout));
 		return 0;
 	}
 
@@ -277,11 +277,11 @@ int php_yar_socket_send(yar_transport_interface_t* self, yar_request_t *request,
 
 			if (retval == -1) {
 				zval_ptr_dtor(&payload);
-				spprintf(msg, 0, "select error '%s'", fd, strerror(errno));
+				spprintf(msg, 0, "select error '%s'", strerror(errno));
 				return 0;
 			} else if (retval == 0) {
 				zval_ptr_dtor(&payload);
-				spprintf(msg, 0, "select timeout '%d' seconds reached", YAR_G(timeout));
+				spprintf(msg, 0, "select timeout '%ld' seconds reached", YAR_G(timeout));
 				return 0;
 			}
 
diff --git a/yar_client.c b/yar_client.c
index 94ba323..9c33a2a 100644
--- a/yar_client.c
+++ b/yar_client.c
@@ -228,6 +228,8 @@ static zval * php_yar_client_handle(int protocol, zval *client, char *method, lo
 		factory = php_yar_transport_get(ZEND_STRL("curl") TSRMLS_CC);
 	} else if (protocol == YAR_CLIENT_PROTOCOL_TCP || protocol == YAR_CLIENT_PROTOCOL_UNIX) {
 		factory = php_yar_transport_get(ZEND_STRL("sock") TSRMLS_CC);
+	} else {
+		return NULL;
 	}
 
 	transport = factory->init(TSRMLS_C);
diff --git a/yar_server.c b/yar_server.c
index 8f633d9..54b0cde 100644
--- a/yar_server.c
+++ b/yar_server.c
@@ -310,11 +310,10 @@ static int php_yar_print_info(void *ptr, void *argument TSRMLS_DC) /* {{{ */ {
         char *prototype = NULL;
 		if ((prototype = php_yar_get_function_declaration(f TSRMLS_CC))) {
 			char *buf, *doc_comment = NULL;
-			uint buf_len;
 			if (f->type == ZEND_USER_FUNCTION) {
 				doc_comment = (char *)f->op_array.doc_comment;
 			}
-			buf_len = spprintf(&buf, 0, HTML_MARKUP_ENTRY, prototype, doc_comment? doc_comment : "");
+			spprintf(&buf, 0, HTML_MARKUP_ENTRY, prototype, doc_comment? doc_comment : "");
 			efree(prototype);
 			PHPWRITE(buf, strlen(buf));
             efree(buf);