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-rw-r--r--lib/ssl/src/tls_record.erl9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl
index ed61da2d62..168b2c8fd3 100644
--- a/lib/ssl/src/tls_record.erl
+++ b/lib/ssl/src/tls_record.erl
@@ -41,7 +41,7 @@
%% Protocol version handling
-export([protocol_version/1, lowest_protocol_version/2,
- highest_protocol_version/1, supported_protocol_versions/0,
+ highest_protocol_version/1, is_higher/2, supported_protocol_versions/0,
is_acceptable_version/1, is_acceptable_version/2]).
-export_type([tls_version/0, tls_atom_version/0]).
@@ -236,6 +236,13 @@ highest_protocol_version(Version = {M,_}, [{N,_} | Rest]) when M > N ->
highest_protocol_version(_, [Version | Rest]) ->
highest_protocol_version(Version, Rest).
+is_higher({M, N}, {M, O}) when N > O ->
+ true;
+is_higher({M, _}, {N, _}) when M > N ->
+ true;
+is_higher(_, _) ->
+ false.
+
%%--------------------------------------------------------------------
-spec supported_protocol_versions() -> [tls_version()].
%%