fix some dialyzing

Author: kuenishi

Makefile

@@ -45,7 +45,7 @@ dialyzer: xref
 	@echo Use "'make build_plt'" to build PLT prior to using this target.
 	@echo
 	@sleep 1
-	dialyzer -Wno_return --plt $(COMBO_PLT) | fgrep -v -f ./dialyzer.ignore-warnings
+	dialyzer -Wno_return --plt $(COMBO_PLT) ebin | fgrep -v -f ./dialyzer.ignore-warnings
 
 
 

dialyzer.ignore-warnings

@@ -63,7 +63,7 @@
           impl = erlang      :: erlang | nif,
           allow_atom = none  :: none | pack, %% allows atom when packing
           enable_str = false :: boolean(), %% true for new spec
-          ext_packer = undefined :: msgpack_ext_packer(),
+          ext_packer = undefined   :: msgpack_ext_packer(),
           ext_unpacker = undefined :: msgpack_ext_unpacker(),
           original_list = []       :: msgpack_list_options()
          }).

include/msgpack.hrl

@@ -99,7 +99,7 @@ unpack(Bin, Opts) ->
                                      | {error, {badarg, term()}}.
 unpack_stream(Bin) -> unpack_stream(Bin, []).
 
--spec unpack_stream(binary(), msgpack_option())->  {msgpack:object(), binary()}
+-spec unpack_stream(binary(), msgpack:options())->  {msgpack:object(), binary()}
                                                        | {error, incomplete}
                                                        | {error, {badarg, term()}}.
 unpack_stream(Bin, Opts0) when is_binary(Bin) ->
@@ -116,6 +116,7 @@ unpack_stream(Other, _) -> {error, {badarg, Other}}.
 parse_options(Opt) -> parse_options(Opt, ?OPTION{original_list=Opt}).
 
 %% @private
+-spec parse_options(msgpack:options(), msgpack_option()) -> msgpack_option().
 parse_options([], Opt) -> Opt;
 parse_options([jsx|TL], Opt0) ->
     Opt = Opt0?OPTION{interface=jsx,

src/msgpack.erl

@@ -19,7 +19,7 @@
 
 -export([to_binary/1, from_binary/2,
          pack_ext/2, unpack_ext/3]).
--behabiour(msgpack_ext).
+-behaviour(msgpack_ext).
 
 -define(ERLANG_TERM, 131).
 -define(TERM_OPTION, [{enable_str,true},{ext,?MODULE},{allow_atom,none}]).
@@ -32,8 +32,10 @@ to_binary(Term) ->
 %% @doc experimental
 -spec from_binary(binary(), []|[safe]) -> term().
 from_binary(Bin, Opt) ->
-    {ok, Term} = msgpack:unpack(Bin, Opt ++ ?TERM_OPTION),
-    Term.
+    case msgpack:unpack(Bin, Opt ++ ?TERM_OPTION) of
+        {ok, Term} -> Term;
+        Error -> error(Error)
+    end.
 
 -spec pack_ext(tuple(), msgpack:options()) ->
                       {ok, {Type::byte(), Data::binary()}} |