http: cleanup of the request-line parsing

http.c

@@ -1825,11 +1825,11 @@ evhttp_parse_request_line(struct evhttp_request *req, char *line)
 	req->type = type;
 
 	if (evhttp_parse_http_version(version, req) < 0)
-		return (-1);
+		return -1;
 
 	if ((req->uri = mm_strdup(uri)) == NULL) {
 		event_debug(("%s: mm_strdup", __func__));
-		return (-1);
+		return -1;
 	}
 
 	if (type == EVHTTP_REQ_CONNECT) {
@@ -1854,7 +1854,7 @@ evhttp_parse_request_line(struct evhttp_request *req, char *line)
 	    !evhttp_find_vhost(req->evcon->http_server, NULL, hostname))
 		req->flags |= EVHTTP_PROXY_REQUEST;
 
-	return (0);
+	return 0;
 }
 
 const char *
@@ -1989,9 +1989,9 @@ evhttp_parse_firstline_(struct evhttp_request *req, struct evbuffer *buffer)
 	char *line;
 	enum message_read_status status = ALL_DATA_READ;
 
-	size_t line_length;
+	size_t len;
 	/* XXX try */
-	line = evbuffer_readln(buffer, &line_length, EVBUFFER_EOL_CRLF);
+	line = evbuffer_readln(buffer, &len, EVBUFFER_EOL_CRLF);
 	if (line == NULL) {
 		if (req->evcon != NULL &&
 		    evbuffer_get_length(buffer) > req->evcon->max_headers_size)
@@ -2000,13 +2000,12 @@ evhttp_parse_firstline_(struct evhttp_request *req, struct evbuffer *buffer)
 			return (MORE_DATA_EXPECTED);
 	}
 
-	if (req->evcon != NULL &&
-	    line_length > req->evcon->max_headers_size) {
+	if (req->evcon != NULL && len > req->evcon->max_headers_size) {
 		mm_free(line);
 		return (DATA_TOO_LONG);
 	}
 
-	req->headers_size = line_length;
+	req->headers_size = len;
 
 	switch (req->kind) {
 	case EVHTTP_REQUEST:
@@ -2063,12 +2062,12 @@ evhttp_parse_headers_(struct evhttp_request *req, struct evbuffer* buffer)
 	enum message_read_status status = MORE_DATA_EXPECTED;
 
 	struct evkeyvalq* headers = req->input_headers;
-	size_t line_length;
-	while ((line = evbuffer_readln(buffer, &line_length, EVBUFFER_EOL_CRLF))
+	size_t len;
+	while ((line = evbuffer_readln(buffer, &len, EVBUFFER_EOL_CRLF))
 	       != NULL) {
 		char *skey, *svalue;
 
-		req->headers_size += line_length;
+		req->headers_size += len;
 
 		if (req->evcon != NULL &&
 		    req->headers_size > req->evcon->max_headers_size) {