diff options
| -rw-r--r-- | lib/asn1/src/asn1rt_uper_bin.erl | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/asn1/src/asn1rt_uper_bin.erl b/lib/asn1/src/asn1rt_uper_bin.erl index 9410c3ef90..fc65d80245 100644 --- a/lib/asn1/src/asn1rt_uper_bin.erl +++ b/lib/asn1/src/asn1rt_uper_bin.erl @@ -120,14 +120,15 @@ fixextensions(Pos,ExtPos,Val,Acc) -> end, fixextensions(Pos+1,ExtPos,Val,(Acc bsl 1)+Bit). -skipextensions(Bytes,Nr,ExtensionBitPattern) -> - case (catch element(Nr,ExtensionBitPattern)) of - 1 -> +skipextensions(Bytes,Nr,ExtensionBitstr) when is_bitstring(ExtensionBitstr) -> + Prev = Nr - 1, + case ExtensionBitstr of + <<_:Prev,1:1,_/bitstring>> -> {_,Bytes2} = decode_open_type(Bytes,[]), - skipextensions(Bytes2, Nr+1, ExtensionBitPattern); - 0 -> - skipextensions(Bytes, Nr+1, ExtensionBitPattern); - {'EXIT',_} -> % badarg, no more extensions + skipextensions(Bytes2, Nr+1, ExtensionBitstr); + <<_:Prev,0:1,_/bitstring>> -> + skipextensions(Bytes, Nr+1, ExtensionBitstr); + _ -> Bytes end. |