From 7f8e66fea8c4e2a910df9067cb7638999b7764d5 Mon Sep 17 00:00:00 2001
From: "dtucker@openbsd.org" <dtucker@openbsd.org>
Date: Thu, 23 Jan 2020 10:24:29 +0000
Subject: upstream: Make zlib optional. This adds a "ZLIB" build time option

that allows building without zlib compression and associated options.  With
feedback from markus@, ok djm@

OpenBSD-Commit-ID: 44c6e1133a90fd15a3aa865bdedc53bab28b7910
---
 cipher.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'cipher.c')

diff --git a/cipher.c b/cipher.c
index 25f98ba8..820bc6ac 100644
--- a/cipher.c
+++ b/cipher.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cipher.c,v 1.113 2019/09/06 05:23:55 djm Exp $ */
+/* $OpenBSD: cipher.c,v 1.114 2020/01/23 10:24:29 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -143,6 +143,17 @@ cipher_alg_list(char sep, int auth_only)
 	return ret;
 }
 
+const char *
+compression_alg_list(int compression)
+{
+#ifdef WITH_ZLIB
+	return compression ? "zlib@openssh.com,zlib,none" :
+	    "none,zlib@openssh.com,zlib";
+#else
+	return "none";
+#endif
+}
+
 u_int
 cipher_blocksize(const struct sshcipher *c)
 {
-- 
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