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%% This tests the presence of possible races due to an ets:lookup/ets:insert
%% combination in higher order functions.
-module(ets_insert_param).
-export([start/1]).
start(User) ->
Table = ets:new(table, [public]),
mod:process(Table),
[{_, Msg}] = ets:lookup(Table, welcome_msg),
case User of
root ->
ets:insert(Table, {welcome_msg, Msg ++ "root"}),
ets:insert(Table, {pass, Pass = generate_password(ets:lookup(Table, pass))
++ generate_strong_password(ets:lookup(Table, pass))});
user ->
ets:insert(Table, {welcome_msg, Msg ++ "user"}),
ets:insert(Table, {pass, Pass = generate_password(ets:lookup(Table, pass))})
end,
io:format("\nYour new pass is ~w\n", [Pass]).
generate_password([{_, N}]) ->
lists:map(fun (_) -> random:uniform(90)+$\s+1 end, lists:seq(1,N)).
generate_strong_password([{_, N}]) ->
lists:map(fun (_) -> random:uniform(90)+$\s+1 end, lists:seq(1,(N rem 2) * 5)).
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