diff options
Diffstat (limited to 'lib/asn1/src/asn1rtt_uper.erl')
| -rw-r--r-- | lib/asn1/src/asn1rtt_uper.erl | 36 |
1 files changed, 6 insertions, 30 deletions
diff --git a/lib/asn1/src/asn1rtt_uper.erl b/lib/asn1/src/asn1rtt_uper.erl index d78116cc92..b5e8a3c3bb 100644 --- a/lib/asn1/src/asn1rtt_uper.erl +++ b/lib/asn1/src/asn1rtt_uper.erl @@ -113,7 +113,7 @@ skipextensions(Bytes0, Nr, ExtensionBitstr) when is_bitstring(ExtensionBitstr) - Prev = Nr - 1, case ExtensionBitstr of <<_:Prev,1:1,_/bitstring>> -> - {Len,Bytes1} = decode_length(Bytes0, undefined), + {Len,Bytes1} = decode_length(Bytes0), <<_:Len/binary,Bytes2/bitstring>> = Bytes1, skipextensions(Bytes2, Nr+1, ExtensionBitstr); <<_:Prev,0:1,_/bitstring>> -> @@ -290,7 +290,7 @@ encode_semi_constrained_number(Lb, Val) -> end. decode_semi_constrained_number(Bytes) -> - {Len,Bytes2} = decode_length(Bytes, undefined), + {Len,Bytes2} = decode_length(Bytes), {V,Bytes3} = getoctets(Bytes2,Len), {V,Bytes3}. @@ -416,36 +416,12 @@ encode_small_length(Len) -> %% un-constrained -decode_length(<<0:1,Oct:7,Rest/bitstring>>,undefined) -> +decode_length(<<0:1,Oct:7,Rest/bitstring>>) -> {Oct,Rest}; -decode_length(<<2:2,Val:14,Rest/bitstring>>,undefined) -> +decode_length(<<2:2,Val:14,Rest/bitstring>>) -> {Val,Rest}; -decode_length(<<3:2,_:14,_Rest/bitstring>>,undefined) -> - exit({error,{asn1,{decode_length,{nyi,above_16k}}}}); - -decode_length(Buffer,{Lb,Ub}) when Ub =< 65535, Lb >= 0 -> % constrained - decode_constrained_number(Buffer,{Lb,Ub}); -decode_length(Buffer,{Lb,_}) when is_integer(Lb), Lb >= 0 -> % Ub > 65535 - decode_length(Buffer,undefined); -decode_length(Buffer,{VR={_Lb,_Ub},Ext}) when is_list(Ext) -> - {0,Buffer2} = getbit(Buffer), - decode_length(Buffer2, VR); - - -%When does this case occur with {_,_Lb,Ub} ?? -% X.691:10.9.3.5 -decode_length(Bin,{_,_Lb,_Ub}) -> %when Len =< 127 -> % Unconstrained or large Ub NOTE! this case does not cover case when Ub > 65535 - case Bin of - <<0:1,Val:7,Rest/bitstring>> -> - {Val,Rest}; - <<2:2,Val:14,Rest/bitstring>> -> - {Val,Rest}; - <<3:2,_:14,_Rest/bitstring>> -> - exit({error,{asn1,{decode_length,{nyi,length_above_64K}}}}) - end; -decode_length(Buffer,SingleValue) when is_integer(SingleValue) -> - {SingleValue,Buffer}. - +decode_length(<<3:2,_:14,_Rest/bitstring>>) -> + exit({error,{asn1,{decode_length,{nyi,above_16k}}}}). % X.691:11 encode_boolean(true) -> |