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authorBjörn Gustavsson <[email protected]>2017-02-21 13:15:30 +0100
committerBjörn Gustavsson <[email protected]>2017-02-21 13:30:22 +0100
commit57c1ecadd6e3ab6763b494e7a9509e67d0e6a661 (patch)
treeca4297f4b34defff02e9fdc6e4a24b706c50d681 /lib/asn1/src/asn1ct_imm.erl
parentd5c350d57b92272b344a4aa29873ea9f7980ce7b (diff)
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PER decoding: Be less verbose for invalid ENUMERATED
When an invalid value is encountered when trying to decode an ENUMERATED, the exception can be quite verbose. Here is an actual example from NBAP-PDU-Contents: _ -> exit({error,{asn1,{decode_enumerated,{V4@V3,[chCode1div1,chCode2div1,chCode2div2,chCode4div1,chCode4div2,chCode4div3,chCode4div4,chCode8div1,chCode8div2,chCode8div3,chCode8div4,chCode8div5,chCode8div6,chCode8div7,chCode8div8,chCode16div1,chCode16div2,chCode16div3,chCode16div4,chCode16div5,chCode16div6,chCode16div7,chCode16div8,chCode16div9,chCode16div10,chCode16div11,chCode16div12,chCode16div13,chCode16div14,chCode16div15,chCode16div16]}}}}) Listing the possible values for an ENUMERATED when decoding fails is not helpful and increases the code size (it would have made somewhat more sense to list the possible values if *encoding* failed).
Diffstat (limited to 'lib/asn1/src/asn1ct_imm.erl')
-rw-r--r--lib/asn1/src/asn1ct_imm.erl6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl
index 754451b279..130f68c21d 100644
--- a/lib/asn1/src/asn1ct_imm.erl
+++ b/lib/asn1/src/asn1ct_imm.erl
@@ -879,10 +879,8 @@ flatten_map_cs_1([integer_default], {Int,_}) ->
[{'_',Int}];
flatten_map_cs_1([enum_default], {Int,_}) ->
[{'_',["{asn1_enum,",Int,"}"]}];
-flatten_map_cs_1([enum_error], {Var,Cs}) ->
- Vs = [V || {_,V} <- Cs],
- [{'_',["exit({error,{asn1,{decode_enumerated,{",Var,",",
- {asis,Vs},"}}}})"]}];
+flatten_map_cs_1([enum_error], {Var,_}) ->
+ [{'_',["exit({error,{asn1,{decode_enumerated,",Var,"}}})"]}];
flatten_map_cs_1([], _) -> [].
flatten_hoist_align([[{align_bits,_,_}=Ab|T]|Cs]) ->