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-rw-r--r--lib/asn1/src/asn1rtt_uper.erl4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/asn1/src/asn1rtt_uper.erl b/lib/asn1/src/asn1rtt_uper.erl
index a9479471eb..2d91e0df24 100644
--- a/lib/asn1/src/asn1rtt_uper.erl
+++ b/lib/asn1/src/asn1rtt_uper.erl
@@ -494,6 +494,10 @@ encode_boolean(Val) ->
%% Unused = integer(),
%% BinBits = binary().
+encode_bit_string(C, Bits, NamedBitList) when is_bitstring(Bits) ->
+ PadLen = (8 - (bit_size(Bits) band 7)) band 7,
+ Compact = {PadLen,<<Bits/bitstring,0:PadLen>>},
+ encode_bit_string(C, Compact, NamedBitList);
encode_bit_string(C, {Unused,BinBits}=Bin, NamedBitList)
when is_integer(Unused), is_binary(BinBits) ->
encode_bin_bit_string(C, Bin, NamedBitList);