Fix warnings.

src/libserver/spf.c

@@ -230,7 +230,7 @@ rspamd_spf_process_reference (struct spf_resolved *target,
 		struct spf_addr *addr, struct spf_record *rec, gboolean top)
 {
 	struct spf_resolved_element *elt;
-	struct spf_addr *cur, taddr;
+	struct spf_addr *cur = NULL, taddr;
 	guint i;
 
 	if (addr) {
@@ -252,6 +252,7 @@ rspamd_spf_process_reference (struct spf_resolved *target,
 			}
 		}
 
+		g_assert (cur != NULL);
 		if (!(cur->flags & RSPAMD_SPF_FLAG_PARSED)) {
 			/* Unresolved redirect */
 			msg_info ("redirect to %s cannot be resolved", cur->spf_string);
@@ -630,6 +631,7 @@ parse_spf_domain_mask (struct spf_record *rec, struct spf_addr *addr,
 
 	resolved = g_ptr_array_index (rec->resolved, rec->resolved->len - 1);
 	host = resolved->cur_domain;
+	c = p;
 
 	while (*p) {
 		t = *p;

src/libstat/backends/mmaped_file.c

@@ -913,16 +913,15 @@ rspamd_mmaped_file_runtime (struct rspamd_task *task,
 
 		filename = ucl_object_tostring (filenameo);
 
-		if (learn) {
-
+		sizeo = ucl_object_find_key (stcf->opts, "size");
+		if (sizeo == NULL || ucl_object_type (sizeo) != UCL_INT) {
+			msg_err ("statfile %s has no size defined", stcf->symbol);
+			return NULL;
+		}
 
-			sizeo = ucl_object_find_key (stcf->opts, "size");
-			if (sizeo == NULL || ucl_object_type (sizeo) != UCL_INT) {
-				msg_err ("statfile %s has no size defined", stcf->symbol);
-				return NULL;
-			}
+		size = ucl_object_toint (sizeo);
 
-			size = ucl_object_toint (sizeo);
+		if (learn) {
 			rspamd_mmaped_file_create (ctx, filename, size, stcf);
 		}
 

src/libutil/expression.c

@@ -837,7 +837,7 @@ static gint
 rspamd_ast_process_node (struct rspamd_expression *expr, gint flags, GNode *node,
 		gpointer data)
 {
-	struct rspamd_expression_elt *elt, *celt, *parelt;
+	struct rspamd_expression_elt *elt, *celt, *parelt = NULL;
 	GNode *cld;
 	gint acc = G_MININT, lim = G_MININT, val;
 	gdouble t1, t2;

src/lua/lua_task.c

@@ -1247,7 +1247,7 @@ lua_task_get_queue_id (lua_State *L)
 {
 	struct rspamd_task *task = lua_check_task (L, 1);
 
-	if (task && task->queue_id != NULL && task->queue_id != "undef") {
+	if (task && task->queue_id != NULL && strcmp (task->queue_id, "undef") != 0) {
 		lua_pushstring (L, task->queue_id);
 		return 1;
 	}