From f934e995d6f871c3ca269835b2f990f63055c9fc Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <ossi@users.sf.net>
Date: Sat, 11 Mar 2017 13:27:53 +0100
Subject: [PATCH] don't populate sync record map with invalid UIDs

this would obviously just bloat the hash with nonsense, slowing down the
actual lookup later.
---
 src/sync.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sync.c b/src/sync.c
index 835547a..485e419 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -1356,6 +1356,8 @@ box_loaded( int sts, void *aux )
 		if (srec->status & S_DEAD)
 			continue;
 		uid = srec->uid[t];
+		if (uid <= 0)
+			continue;
 		idx = (uint)((uint)uid * 1103515245U) % hashsz;
 		while (srecmap[idx].uid)
 			if (++idx == hashsz)