From 286fe02478aa48f5ecfbe788fa79e17f58990f91 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Tue, 14 Jul 2020 23:13:00 -0400
Subject: [PATCH] Fix `-daemon` command-line argument parsing

It turns out the logic removed in
d10601de11d287cf8a44a043ed31d658cf219a51 had a purpose after all.
---
 ddclient.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ddclient.in b/ddclient.in
index aab4212..93a3b43 100755
--- a/ddclient.in
+++ b/ddclient.in
@@ -1295,6 +1295,11 @@ sub init_config {
 
     $opt{'timeout'} = 0 if opt('timeout') < 0;
 
+    ## parse an interval expression (such as '5m') into number of seconds
+    $opt{'daemon'} = interval(opt('daemon')) if defined($opt{'daemon'});
+    ## make sure the interval isn't too short
+    $opt{'daemon'} = minimum('daemon') if opt('daemon') > 0 && opt('daemon') < minimum('daemon');
+
     ## define or modify host options specified on the command-line
     if (exists $opt{'options'} && defined $opt{'options'}) {
         ## collect cmdline configuration options.