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-rw-r--r--erts/preloaded/src/zlib.erl41
1 files changed, 25 insertions, 16 deletions
diff --git a/erts/preloaded/src/zlib.erl b/erts/preloaded/src/zlib.erl
index fa0f28c5c3..8cd3e39fd7 100644
--- a/erts/preloaded/src/zlib.erl
+++ b/erts/preloaded/src/zlib.erl
@@ -23,7 +23,8 @@
-export([open/0,close/1,deflateInit/1,deflateInit/2,deflateInit/6,
deflateSetDictionary/2,deflateReset/1,deflateParams/3,
deflate/2,deflate/3,deflateEnd/1,
- inflateInit/1,inflateInit/2,inflateSetDictionary/2,
+ inflateInit/1,inflateInit/2,
+ inflateSetDictionary/2,inflateGetDictionary/1,
inflateSync/1,inflateReset/1,inflate/2,inflateEnd/1,
inflateChunk/1, inflateChunk/2,
setBufSize/2,getBufSize/1,
@@ -98,25 +99,26 @@
-define(INFLATE_INIT, 8).
-define(INFLATE_INIT2, 9).
-define(INFLATE_SETDICT, 10).
--define(INFLATE_SYNC, 11).
--define(INFLATE_RESET, 12).
--define(INFLATE_END, 13).
--define(INFLATE, 14).
--define(INFLATE_CHUNK, 25).
+-define(INFLATE_GETDICT, 11).
+-define(INFLATE_SYNC, 12).
+-define(INFLATE_RESET, 13).
+-define(INFLATE_END, 14).
+-define(INFLATE, 15).
+-define(INFLATE_CHUNK, 26).
--define(CRC32_0, 15).
--define(CRC32_1, 16).
--define(CRC32_2, 17).
+-define(CRC32_0, 16).
+-define(CRC32_1, 17).
+-define(CRC32_2, 18).
--define(SET_BUFSZ, 18).
--define(GET_BUFSZ, 19).
--define(GET_QSIZE, 20).
+-define(SET_BUFSZ, 19).
+-define(GET_BUFSZ, 20).
+-define(GET_QSIZE, 21).
--define(ADLER32_1, 21).
--define(ADLER32_2, 22).
+-define(ADLER32_1, 22).
+-define(ADLER32_2, 23).
--define(CRC32_COMBINE, 23).
--define(ADLER32_COMBINE, 24).
+-define(CRC32_COMBINE, 24).
+-define(ADLER32_COMBINE, 25).
%%------------------------------------------------------------------------
@@ -242,6 +244,13 @@ inflateInit(Z, WindowBits) ->
inflateSetDictionary(Z, Dictionary) ->
call(Z, ?INFLATE_SETDICT, Dictionary).
+-spec inflateGetDictionary(Z) -> Dictionary when
+ Z :: zstream(),
+ Dictionary :: iolist().
+inflateGetDictionary(Z) ->
+ _ = call(Z, ?INFLATE_GETDICT, []),
+ collect(Z).
+
-spec inflateSync(zstream()) -> 'ok'.
inflateSync(Z) ->
call(Z, ?INFLATE_SYNC, []).