[Minor] Add macros to access strings data

src/controller.c

@@ -1725,15 +1725,17 @@ rspamd_controller_handle_lua (struct rspamd_http_connection_entry *conn_ent,
 	/* Find lua script */
 	if (msg->url != NULL && msg->url->len != 0) {
 
-		http_parser_parse_url (msg->url->str, msg->url->len, TRUE, &u);
+		http_parser_parse_url (RSPAMD_FSTRING_DATA (msg->url),
+				RSPAMD_FSTRING_LEN (msg->url), TRUE, &u);
 
 		if (u.field_set & (1 << UF_PATH)) {
-			lookup.begin = msg->url->str + u.field_data[UF_PATH].off;
+			lookup.begin = RSPAMD_FSTRING_DATA (msg->url) +
+					u.field_data[UF_PATH].off;
 			lookup.len = u.field_data[UF_PATH].len;
 		}
 		else {
-			lookup.begin = msg->url->str;
-			lookup.len = msg->url->len;
+			lookup.begin = RSPAMD_FSTRING_DATA (msg->url);
+			lookup.len = RSPAMD_FSTRING_LEN (msg->url);
 		}
 
 		rspamd_snprintf (filebuf, sizeof (filebuf), "%s%c%T",

src/libutil/fstring.h

@@ -30,6 +30,9 @@ typedef struct f_str_s {
 	gchar str[];
 } rspamd_fstring_t;
 
+#define RSPAMD_FSTRING_DATA(s) ((s)->str)
+#define RSPAMD_FSTRING_LEN(s) ((s)->len)
+
 typedef struct f_str_tok {
 	gsize len;
 	const gchar *begin;

src/rspamd_proxy.c

@@ -1229,7 +1229,8 @@ proxy_check_file (struct rspamd_http_message *msg,
 	}
 	else {
 		/* Need to parse query URL */
-		if (http_parser_parse_url (msg->url->str, msg->url->len, 0, &u) != 0) {
+		if (http_parser_parse_url (RSPAMD_FSTRING_DATA (msg->url),
+				RSPAMD_FSTRING_LEN (msg->url), 0, &u) != 0) {
 			msg_err_session ("bad request url: %V", msg->url);
 
 			return FALSE;
@@ -1258,7 +1259,7 @@ proxy_check_file (struct rspamd_http_message *msg,
 				}
 
 				/* We need to create a new URL with file attribute removed */
-				new_url = rspamd_fstring_new_init (msg->url->str,
+				new_url = rspamd_fstring_new_init (RSPAMD_FSTRING_DATA (msg->url),
 						u.field_data[UF_QUERY].off);
 				new_url = rspamd_fstring_append (new_url, "?", 1);