diff options
Diffstat (limited to 'lib/asn1/src/asn1ct_imm.erl')
| -rw-r--r-- | lib/asn1/src/asn1ct_imm.erl | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl index 527f4f0ba9..8b96242c56 100644 --- a/lib/asn1/src/asn1ct_imm.erl +++ b/lib/asn1/src/asn1ct_imm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2015. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -1120,38 +1120,41 @@ per_enc_constrained(Val0, Lb, Ub, false) -> per_enc_constrained(Val0, Lb, Ub, true) -> {Prefix,Val} = sub_lb(Val0, Lb), Range = Ub - Lb + 1, + Check = {ult,Val,Range}, if Range < 256 -> NumBits = per_num_bits(Range), - Check = {ult,Val,Range}, Put = [{put_bits,Val,NumBits,[1]}], {Prefix,Check,Put}; Range =:= 256 -> NumBits = 8, - Check = {ult,Val,Range}, Put = [{put_bits,Val,NumBits,[1,align]}], {Prefix,Check,Put}; Range =< 65536 -> - Check = {ult,Val,Range}, Put = [{put_bits,Val,16,[1,align]}], {Prefix,Check,Put}; true -> - {var,VarBase} = Val, - Bin = {var,VarBase++"@bin"}, - BinSize0 = {var,VarBase++"@bin_size0"}, - BinSize = {var,VarBase++"@bin_size"}, - Check = {ult,Val,Range}, RangeOctsLen = byte_size(binary:encode_unsigned(Range - 1)), BitsNeeded = per_num_bits(RangeOctsLen), - Enc = [{call,binary,encode_unsigned,[Val],Bin}, - {call,erlang,byte_size,[Bin],BinSize0}, - {sub,BinSize0,1,BinSize}, - {'cond',[['_', - {put_bits,BinSize,BitsNeeded,[1]}, - {put_bits,Bin,binary,[8,align]}]]}], - {Prefix,Check,Enc} + {Prefix,Check,per_enc_constrained_huge(BitsNeeded, Val)} end. +per_enc_constrained_huge(BitsNeeded, {var,VarBase}=Val) -> + Bin = {var,VarBase++"@bin"}, + BinSize0 = {var,VarBase++"@bin_size0"}, + BinSize = {var,VarBase++"@bin_size"}, + [{call,binary,encode_unsigned,[Val],Bin}, + {call,erlang,byte_size,[Bin],BinSize0}, + {sub,BinSize0,1,BinSize}, + {'cond',[['_', + {put_bits,BinSize,BitsNeeded,[1]}, + {put_bits,Bin,binary,[8,align]}]]}]; +per_enc_constrained_huge(BitsNeeded, Val) when is_integer(Val) -> + Bin = binary:encode_unsigned(Val), + BinSize = erlang:byte_size(Bin), + [{put_bits,BinSize-1,BitsNeeded,[1]}, + {put_bits,Val,8*BinSize,[1,align]}]. + per_enc_unconstrained(Val, Aligned) -> case Aligned of false -> []; |