From 44f396a99ff9f00476ff05681c5cc4be319d9709 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 5 Mar 2019 15:02:55 +0000
Subject: [PATCH] fhem.pl: add maxChangeLog attribute (Forum #98129)

git-svn-id: https://svn.fhem.de/fhem/trunk@18795 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/docs/commandref_frame.html    | 8 ++++++++
 fhem/docs/commandref_frame_DE.html | 8 ++++++++
 fhem/fhem.pl                       | 6 ++++--
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/fhem/docs/commandref_frame.html b/fhem/docs/commandref_frame.html
index e2949f6f6..6fc122093 100644
--- a/fhem/docs/commandref_frame.html
+++ b/fhem/docs/commandref_frame.html
@@ -1585,6 +1585,14 @@ The following local attributes are used by a wider range of devices:
         <code>{ $currlogfile }</code>.
     </li><br>
 
+    <a name="maxChangeLog"></a>
+    <li>maxChangeLog<br>
+        FHEM stores the structural change history which is displayed by
+        "save ?" or in FHEMWEB by clicking on the red question mark.
+        By default this list is limited to 10 entries, this attribute changes
+        the limit.
+    </li><br>
+
     <a name="maxShutdownDelay"></a>
     <li>maxShutdownDelay<br>
         Some modules need some time at shutdown to finish the cleanup, but FHEM
diff --git a/fhem/docs/commandref_frame_DE.html b/fhem/docs/commandref_frame_DE.html
index 68fcf678c..457a3c94f 100644
--- a/fhem/docs/commandref_frame_DE.html
+++ b/fhem/docs/commandref_frame_DE.html
@@ -1688,6 +1688,14 @@ Die folgenden lokalen Attribute werden von mehreren Ger&auml;ten verwendet:
         mit&nbsp; <code>{ $currlogfile }festlegen</code>.
     </li><br>
 
+    <a name="maxChangeLog"></a>
+    <li>maxChangeLog<br>
+        FHEM speichert Struktur&auml;nderungen, diese Daten kann man mit
+        "save -r" oder mittels Klick auf das rote Fragezeichen in FHEMWEB
+        anzeigen. Per Voreinstellung ist diese Liste auf 10 Eintr&auml;ge
+        begrenzt, mit diesem Attribut kann man diesen Wert &auml;ndern.
+    </li><br>
+ 
     <a name="maxShutdownDelay"></a>
     <li>maxShutdownDelay<br>
         Einige Module ben&ouml;tigen Zeit zum Aufr&auml;umen beim shutdown,
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index f0f292c45..619bf46c2 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -341,6 +341,7 @@ my @globalAttrList = qw(
   logdir
   logfile
   longitude
+  maxChangeLog
   maxShutdownDelay
   modpath
   motd
@@ -1653,7 +1654,7 @@ CommandSave($$)
 
   if($param && $param eq "?") {
     return "No structural changes." if(!@structChangeHist);
-    return "Last 10 structural changes:\n  ".join("\n  ", @structChangeHist);
+    return "Last saved structural changes:\n  ".join("\n  ", @structChangeHist);
   }
 
   if(!$cl && !AttrVal("global", "autosave", 1)) { # Forum #78769
@@ -5444,7 +5445,8 @@ addStructChange($$$)
   $lastDefChange++;
   return if($defs{$dev}{VOLATILE});
 
-  shift @structChangeHist if(@structChangeHist > 9);
+  shift @structChangeHist
+          if(@structChangeHist > AttrVal('global', 'maxChangeLog', 10) - 1);
   $param = substr($param, 0, 40)."..." if(length($param) > 40);
   push @structChangeHist, "$cmd $param";
 }