Bug #5929 ยป zlib.c.set_dictionary.patch
| ext/zlib/zlib.c (working copy) | ||
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return;
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}
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StringValue(src);
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if (RSTRING_LEN(src) > 0) { /* prevent Z_BUF_ERROR */
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if (RSTRING_LEN(src) > 0 || z->stream.avail_in > 0) { /* prevent Z_BUF_ERROR */
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zstream_run(z, (Bytef*)RSTRING_PTR(src), RSTRING_LEN(src), Z_SYNC_FLUSH);
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}
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}
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| ... | ... | |
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*
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* Raises a Zlib::NeedDict exception if a preset dictionary is needed to
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* decompress. Set the dictionary by Zlib::Inflate#set_dictionary and then
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* call this method again with an empty string. (<i>???</i>)
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* call this method again with an empty string to flush the stream:
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*
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* inflater = Zlib::Inflate.new
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*
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* begin
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* out = inflater.inflate compressed
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* rescue Zlib::NeedDict
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* # ensure the dictionary matches the stream's required dictionary
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* raise unless inflater.adler == Zlib.adler32(dictionary)
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*
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* inflater.set_dictionary dictionary
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* inflater.inflate ''
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* end
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*
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* # ...
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*
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* inflater.close
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*
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* See also Zlib::Inflate.new
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*/
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| test/zlib/test_zlib.rb (working copy) | ||
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z << "foo" # ???
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end
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def test_inflate_dictionary
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dictionary = "foo"
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deflate = Zlib::Deflate.new
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deflate.set_dictionary dictionary
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compressed = deflate.deflate "foofoofoo", Zlib::FINISH
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deflate.close
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out = nil
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inflate = Zlib::Inflate.new
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begin
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out = inflate.inflate compressed
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flunk "Zlib::NeedDict was not raised"
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rescue Zlib::NeedDict
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inflate.set_dictionary dictionary
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out = inflate.inflate ""
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end
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assert_equal "foofoofoo", out
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end
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def test_sync
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z = Zlib::Deflate.new
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s = z.deflate("foo" * 1000, Zlib::FULL_FLUSH)
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