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authorBjörn Gustavsson <[email protected]>2012-11-21 12:09:04 +0100
committerBjörn Gustavsson <[email protected]>2012-11-26 11:12:59 +0100
commit556879a3d8c4dfa611b9c2444b9e9e77b9ec4e49 (patch)
treec4f10f16c65662626d9d5084bf96d6e5ff3d1e40 /lib/asn1/src
parent649df4292bc8c425c52cba3657547251ef78254f (diff)
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Don't try to work around a non-loadable NIF library
The NIF library is now mandatory. The call to application:get_env/2 to find out whether the NIF library is loaded is surprisingly expensive.
Diffstat (limited to 'lib/asn1/src')
-rw-r--r--lib/asn1/src/asn1rt_ber_bin_v2.erl36
1 files changed, 4 insertions, 32 deletions
diff --git a/lib/asn1/src/asn1rt_ber_bin_v2.erl b/lib/asn1/src/asn1rt_ber_bin_v2.erl
index e46e163ebb..92ca11cf89 100644
--- a/lib/asn1/src/asn1rt_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1rt_ber_bin_v2.erl
@@ -53,8 +53,6 @@
decode_open_type_as_binary/3]).
-export([decode_primitive_incomplete/2,decode_selective/2]).
-
--export([is_nif_loadable/0]).
% the encoding of class of tag bits 8 and 7
-define(UNIVERSAL, 0).
@@ -134,12 +132,7 @@ encode(Tlv,_) when is_binary(Tlv) ->
encode([Tlv],Method) ->
encode(Tlv,Method);
encode(Tlv, nif) ->
- case is_nif_loadable() of
- true ->
- asn1rt_nif:encode_ber_tlv(Tlv);
- false ->
- encode_erl(Tlv)
- end;
+ asn1rt_nif:encode_ber_tlv(Tlv);
encode(Tlv, _) ->
encode_erl(Tlv).
@@ -177,36 +170,15 @@ decode(B) ->
%% asn1-1.7
decode(B, nif) ->
- case is_nif_loadable() of
- true ->
- case asn1rt_nif:decode_ber_tlv(B) of
- {error, Reason} -> handle_error(Reason, B);
- Else -> Else
- end;
- false ->
- decode(B)
+ case asn1rt_nif:decode_ber_tlv(B) of
+ {error, Reason} -> handle_error(Reason, B);
+ Else -> Else
end;
decode(B,erlang) when is_binary(B) ->
decode_primitive(B);
decode(Tlv,erlang) ->
{Tlv,<<>>}.
-%% Have to check this since asn1 is not guaranteed to be available
-is_nif_loadable() ->
- case application:get_env(asn1, nif_loadable) of
- {ok,R} ->
- R;
- undefined ->
- case catch code:load_file(asn1rt_nif) of
- {module, asn1rt_nif} ->
- application:set_env(asn1, nif_loadable, true),
- true;
- _Else ->
- application:set_env(asn1, nif_loadable, false),
- false
- end
- end.
-
handle_error([],_)->
exit({error,{asn1,{"memory allocation problem"}}});
handle_error({$1,_},L) -> % error in nif