diff options
Diffstat (limited to 'lib/asn1/src')
| -rw-r--r-- | lib/asn1/src/asn1ct_gen_ber_bin_v2.erl | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl index 4dedd6305c..37413298a7 100644 --- a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl +++ b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl @@ -278,8 +278,7 @@ emit_enc_enumerated_cases(L, Tags) -> emit_enc_enumerated_cases(L, Tags, noext). emit_enc_enumerated_cases([{EnumName,EnumVal}|T], Tags, Ext) -> - Bytes = encode_pos_integer(EnumVal, []), - Len = length(Bytes), + {Bytes,Len} = encode_integer(EnumVal), emit([{asis,EnumName}," -> ", {call,ber,encode_tags,[Tags,{asis,Bytes},Len]},";",nl]), emit_enc_enumerated_cases(T, Tags, Ext); @@ -288,10 +287,25 @@ emit_enc_enumerated_cases([], _Tags, _Ext) -> emit([{curr,enumval}," -> exit({error,{asn1, {enumerated_not_in_range,",{curr, enumval},"}}})"]), emit([nl,"end"]). -encode_pos_integer(0, [B|_Acc] = L) when B < 128 -> +encode_integer(Val) -> + Bytes = + if + Val >= 0 -> + encode_integer_pos(Val, []); + true -> + encode_integer_neg(Val, []) + end, + {Bytes,length(Bytes)}. + +encode_integer_pos(0, [B|_Acc]=L) when B < 128 -> + L; +encode_integer_pos(N, Acc) -> + encode_integer_pos((N bsr 8), [N band 16#ff| Acc]). + +encode_integer_neg(-1, [B1|_T]=L) when B1 > 127 -> L; -encode_pos_integer(N, Acc) -> - encode_pos_integer(N bsr 8, [N band 255|Acc]). +encode_integer_neg(N, Acc) -> + encode_integer_neg(N bsr 8, [N band 16#ff|Acc]). %%=============================================================================== %%=============================================================================== |