File 0179-Fix-erl_epmd-port_please-when-using-IPv6.p... of Package erlang

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File 0179-Fix-erl_epmd-port_please-when-using-IPv6.patch of Package erlang (Revision ac78bcc5a6f7a4d1efd770008567e9f7)

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From 1fc964a89f5fe360d6d5bc03645b2593221e2afe Mon Sep 17 00:00:00 2001
From: John Eckersberg <jeckersb@redhat.com>
Date: Wed, 14 Jun 2017 12:32:17 -0400
Subject: [PATCH] Fix erl_epmd:port_please when using IPv6

This mirrors the behavior of inet:gethostbyname when no family or
timeout is supplied.
---
 lib/kernel/src/erl_epmd.erl | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index 7bc9e2ede..f96bc8891 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -79,7 +79,13 @@ port_please(Node, EpmdAddr, Timeout) ->
 
 
 port_please1(Node,HostName, Timeout) ->
-  case inet:gethostbyname(HostName, inet, Timeout) of
+  Family = case inet_db:res_option(inet6) of
+             true ->
+               inet6;
+             false ->
+               inet
+           end,
+  case inet:gethostbyname(HostName, Family, Timeout) of
     {ok,{hostent, _Name, _ , _Af, _Size, [EpmdAddr | _]}} ->
       get_port(Node, EpmdAddr, Timeout);
     Else ->
-- 
2.13.3

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File 0179-Fix-erl_epmd-port_please-when-using-IPv6.patch of Package erlang (Revision ac78bcc5a6f7a4d1efd770008567e9f7)

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