From b74436f96b07c8128d20783ca55b947cb50bdf6d Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Mon, 17 Apr 2017 16:05:29 +0000
Subject: [PATCH] 16_STACKABLE.pm: append to PARTIAL if present (Forum #57806)

git-svn-id: https://svn.fhem.de/fhem/trunk@14017 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/16_STACKABLE.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fhem/FHEM/16_STACKABLE.pm b/fhem/FHEM/16_STACKABLE.pm
index 078438a92..2197b245b 100644
--- a/fhem/FHEM/16_STACKABLE.pm
+++ b/fhem/FHEM/16_STACKABLE.pm
@@ -125,6 +125,10 @@ STACKABLE_IOReadFn($) # used by synchronuous get
   my ($hash) = @_;
   my $me = $hash->{IODev};
   my $buf = "";
+  if($me->{IODev} && $me->{IODev}{PARTIAL}) {
+    $buf = $me->{IODev}{PARTIAL};
+    $me->{IODev}{PARTIAL} = "";
+  }
   while($buf !~ m/\n/) {
     $buf .= DevIo_SimpleRead($me->{IODev}); # may block
   }