From: David Herrmann <dh.herrmann@gmail.com>
Date: Tue, 29 Sep 2015 18:41:29 +0000 (+0200)
Subject: prioq: never shuffle identical entries
X-Git-Tag: v227.2^2~24
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=6ae2e4fb95252c321735cc829d350c90ba62d08a

prioq: never shuffle identical entries

Skip shuffling identical entries in shuffle_up(), just like we already do
in shuffle_down().
---

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index b89888be0..5e567b181 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -101,7 +101,7 @@ static unsigned shuffle_up(Prioq *q, unsigned idx) {
 
                 k = (idx-1)/2;
 
-                if (q->compare_func(q->items[k].data, q->items[idx].data) < 0)
+                if (q->compare_func(q->items[k].data, q->items[idx].data) <= 0)
                         break;
 
                 swap(q, idx, k);