From 688e28761c377cae99630846f68adaca3008ad56 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Mon, 1 Jun 2009 13:58:58 +0000
Subject: [PATCH] make negative update times work as diescribed in the
 documentation (-5 is NOW-5seconds) this takes care of debian bug 332766

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1836 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 src/rrd_update.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/rrd_update.c b/src/rrd_update.c
index 11a00bb..0c34743 100644
--- a/src/rrd_update.c
+++ b/src/rrd_update.c
@@ -972,6 +972,11 @@ static int get_time_from_reading(
             return -1;
         };
         setlocale(LC_NUMERIC, old_locale);
+        if (tmp < 0.0){
+            gettimeofday(&tmp_time, 0);
+            tmp = (double)tmp_time.tv_sec + (double)tmp_time.tv_usec * 1e-6f + tmp;
+        }
+
         *current_time = floor(tmp);
         *current_time_usec = (long) ((tmp - (double) *current_time) * 1e6f);
     }
-- 
2.30.2