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%% Copyright 2012, Joe Williams <joe@joetify.com>
%%
%% Permission is hereby granted, free of charge, to any person
%% obtaining a copy of this software and associated documentation
%% files (the "Software"), to deal in the Software without
%% restriction, including without limitation the rights to use,
%% copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the
%% Software is furnished to do so, subject to the following
%% conditions:
%%
%% The above copyright notice and this permission notice shall be
%% included in all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
%% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
%% OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
%% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
%% HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
%% WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
%% FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
%% OTHER DEALINGS IN THE SOFTWARE.
-module(lz4).
-export([
compress/1,
compress_hc/1,
uncompress/1
]).
-on_load(init/0).
compress(_) ->
not_loaded(?LINE).
compress_hc(_) ->
not_loaded(?LINE).
uncompress(_) ->
not_loaded(?LINE).
init() ->
SoName = case code:priv_dir(lz4) of
{error, bad_name} ->
case filelib:is_dir(filename:join(["..", priv])) of
true ->
filename:join(["..", priv, lz4]);
_ ->
filename:join([priv, lz4])
end;
Dir ->
filename:join(Dir, lz4)
end,
erlang:load_nif(SoName, 0).
not_loaded(Line) ->
exit({not_loaded, [{module, ?MODULE}, {line, Line}]}).
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