File 0001-Instead-of-converting-the-values-from-zlib... of Package guam

File 0001-Instead-of-converting-the-values-from-zlib-deflate-t.patch of Package guam

From ae6f2abb47a320475cbc9909ca77789208962672 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <mollekopf@kolabsys.com>
Date: Sat, 28 Mar 2020 08:15:08 +0100
Subject: [PATCH] Instead of converting the values from zlib:deflate to binary
 by hand we can use the iolist_to_binary() function from erlang; this allows
 us to convert also nested iolists.

Summary: Patch by hede

Differential Revision: https://git.kolab.org/D1090
---
 apps/kolab_guam/src/kolab_guam_session.erl | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/apps/kolab_guam/src/kolab_guam_session.erl b/apps/kolab_guam/src/kolab_guam_session.erl
index e547c55..924055e 100644
--- a/apps/kolab_guam/src/kolab_guam_session.erl
+++ b/apps/kolab_guam/src/kolab_guam_session.erl
@@ -238,17 +238,14 @@ process_client_data(Socket, Data, #state{ rules_deciding = UndecidedRules, tls_c
 preprocess_client_data(undefined, Data, #state{ buffered_client_data = Buffered }) ->
     <<Buffered/binary, Data/binary>>;
 preprocess_client_data(Z, Data, #state{ buffered_client_data = Buffered }) ->
-    Inflated = joined(zlib:inflate(Z, Data), <<>>),
+    Inflated = iolist_to_binary(zlib:inflate(Z, Data)),
     <<Buffered/binary, Inflated/binary>>.
 
 postprocess_server_data(undefined, Data) ->
     %% we aren't compressing so there is nothing to do
     Data;
 postprocess_server_data(Z, Data) ->
-    joined(zlib:deflate(Z, Data, sync), <<>>).
-
-joined([], Binary) -> Binary;
-joined([H|Rest], Binary) -> joined(Rest, <<Binary/binary, H/binary>>).
+    iolist_to_binary(zlib:deflate(Z, Data, sync)).
 
 init_rules(RuleConfig) -> init_rule(RuleConfig, []).
 init_rule([], Acc) -> Acc;
-- 
2.20.1