Chapril/xmpp.chapril.org-ejabberd
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Remove old hex conversion functions

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Depend on list_to_integer/2 and integer_to_list/2 being available.
This commit is contained in:
Holger Weiss 2018-04-03 00:21:33 +02:00
parent a2e1f5c882
commit df651d893e
2 changed files with 3 additions and 31 deletions
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20
src/ejabberd_http.erl
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@ -679,7 +679,7 @@ url_decode_q_split(<<>>, Ack) ->
path_decode(Path) -> path_decode(Path, <<>>).
path_decode(<<$%, Hi, Lo, Tail/binary>>, Acc) ->
Hex = hex_to_integer([Hi, Lo]),
Hex = list_to_integer([Hi, Lo], 16),
if Hex == 0 -> exit(badurl);
true -> ok
end,
@ -716,22 +716,6 @@ expand_custom_headers(Headers) ->
{K, misc:expand_keyword(<<"@VERSION@">>, V, ?VERSION)}
end, Headers).
%% hex_to_integer
hex_to_integer(Hex) ->
case catch list_to_integer(Hex, 16) of
{'EXIT', _} -> old_hex_to_integer(Hex);
X -> X
end.
old_hex_to_integer(Hex) ->
DEHEX = fun (H) when H >= $a, H =< $f -> H - $a + 10;
(H) when H >= $A, H =< $F -> H - $A + 10;
(H) when H >= $0, H =< $9 -> H - $0
end,
lists:foldl(fun (E, Acc) -> Acc * 16 + DEHEX(E) end, 0,
Hex).
code_to_phrase(100) -> <<"Continue">>;
code_to_phrase(101) -> <<"Switching Protocols ">>;
code_to_phrase(200) -> <<"OK">>;
@ -802,7 +786,7 @@ parse_urlencoded(S) ->
parse_urlencoded(<<$%, Hi, Lo, Tail/binary>>, Last, Cur,
State) ->
Hex = hex_to_integer([Hi, Lo]),
Hex = list_to_integer([Hi, Lo], 16),
parse_urlencoded(Tail, Last, <<Cur/binary, Hex>>, State);
parse_urlencoded(<<$&, Tail/binary>>, _Last, Cur, key) ->
[{Cur, <<"">>} | parse_urlencoded(Tail,

14
src/misc.erl
View File

@ -278,25 +278,13 @@ url_encode(<<H:8, T/binary>>, Acc) when
H == $: ->
url_encode(T, <<Acc/binary, H>>);
url_encode(<<H:8, T/binary>>, Acc) ->
case integer_to_hex(H) of
case integer_to_list(H, 16) of
[X, Y] -> url_encode(T, <<Acc/binary, $%, X, Y>>);
[X] -> url_encode(T, <<Acc/binary, $%, $0, X>>)
end;
url_encode(<<>>, Acc) ->
Acc.
integer_to_hex(I) ->
case catch erlang:integer_to_list(I, 16) of
{'EXIT', _} -> old_integer_to_hex(I);
Int -> Int
end.
old_integer_to_hex(I) when I < 10 -> integer_to_list(I);
old_integer_to_hex(I) when I < 16 -> [I - 10 + $A];
old_integer_to_hex(I) when I >= 16 ->
N = trunc(I / 16),
old_integer_to_hex(N) ++ old_integer_to_hex(I rem 16).
-spec set_node_id(string(), binary()) -> pid().
set_node_id(PidStr, NodeBin) ->
ExtPidStr = erlang:pid_to_list(