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-rw-r--r--erts/preloaded/src/zlib.erl24
1 files changed, 16 insertions, 8 deletions
diff --git a/erts/preloaded/src/zlib.erl b/erts/preloaded/src/zlib.erl
index 3170ab6351..a4ef42204d 100644
--- a/erts/preloaded/src/zlib.erl
+++ b/erts/preloaded/src/zlib.erl
@@ -20,7 +20,8 @@
-module(zlib).
--export([open/0,close/1,deflateInit/1,deflateInit/2,deflateInit/6,
+-export([open/0,close/1,set_controlling_process/2,
+ deflateInit/1,deflateInit/2,deflateInit/6,
deflateSetDictionary/2,deflateReset/1,deflateParams/3,
deflate/2,deflate/3,deflateEnd/1,
inflateInit/1,inflateInit/2,inflateInit/3,
@@ -128,6 +129,14 @@ close(Z) ->
close_nif(_Z) ->
erlang:nif_error(undef).
+-spec set_controlling_process(Z, Pid) -> 'ok' when
+ Z :: zstream(),
+ Pid :: pid().
+set_controlling_process(Z, Pid) ->
+ set_controller_nif(Z, Pid).
+set_controller_nif(_Z, _Pid) ->
+ erlang:nif_error(undef).
+
-spec deflateInit(Z) -> 'ok' when
Z :: zstream().
deflateInit(Z) ->
@@ -179,14 +188,13 @@ deflateReset_nif(_Z) ->
deflateParams(Z, Level0, Strategy0) ->
Level = arg_level(Level0),
Strategy = arg_strategy(Strategy0),
+ Progress = deflate(Z, <<>>, sync),
case deflateParams_nif(Z, Level, Strategy) of
- buf_error ->
- %% We had data left in the pipe; flush everything and stash it away
- %% for the next deflate call before trying again.
- Output = deflate(Z, <<>>, full),
- save_progress(Z, deflate, Output),
- deflateParams_nif(Z, Level, Strategy);
- Any -> Any
+ ok ->
+ save_progress(Z, deflate, Progress),
+ ok;
+ Other ->
+ Other
end.
deflateParams_nif(_Z, _Level, _Strategy) ->
erlang:nif_error(undef).