From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 2 Jun 2015 15:28:27 +0000 (+0100)
Subject: Use most significant bit, not least significant one.
X-Git-Tag: 1.0.0~578^2~2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=6d7f11963edfd5113f32060267695c513613ec1f;p=rspamd.git

Use most significant bit, not least significant one.
---

diff --git a/src/libserver/task.c b/src/libserver/task.c
index c7803cabd..0f73c15f1 100644
--- a/src/libserver/task.c
+++ b/src/libserver/task.c
@@ -283,17 +283,21 @@ rspamd_task_load_message (struct rspamd_task *task,
 static gint
 rspamd_task_select_processing_stage (struct rspamd_task *task, guint stages)
 {
-	gint st;
+	gint st, mask;
 
-	st = ffs (task->processed_stages);
+	mask = task->processed_stages;
 
-	if (st == -1) {
-		st = (1 << 0);
+	if (mask == 0) {
+		st = 0;
 	}
 	else {
-		st = (1 << (st + 1));
+		for (st = 1; mask != 1; st ++) {
+			mask = (unsigned int)mask >> 1;
+		}
 	}
 
+	st = 1 << st;
+
 	if (stages & st) {
 		return st;
 	}