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author | Sorah Fukumori <sorah@cookpad.com> | 2023-08-11 05:12:06 +0900 |
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committer | git <svn-admin@ruby-lang.org> | 2023-08-10 20:12:21 +0000 |
commit | d2864ca330f7cc7f879e737a817e1161bead65c3 (patch) | |
tree | 3dab3f7584482fff678d8cfb08a121d9ddb027c4 /node.h | |
parent | b5b34c1f84ffbc87004d4761621040e3ceb3542d (diff) | |
download | ruby-d2864ca330f7cc7f879e737a817e1161bead65c3.tar.gz |
[ruby/zlib] Zlib.gunzip should not fail with utf-8 strings
(https://github.com/ruby/zlib/pull/55)
zstream_discard_input was encoding and character-aware when given input is user-provided, so this discards `len` chars instead of `len` bytes.
Also Zlib.gunzip explains in its rdoc that it is equivalent with the following code, but this doesn't fail for UTF-8 String.
```ruby
string = %w[1f8b0800c28000000003cb48cdc9c9070086a6103605000000].pack("H*").force_encoding('UTF-8')
sio = StringIO.new(string)
p gz.read #=> "hello"
gz&.close
p Zlib.gunzip(string) #=> Zlib::DataError
```
Reported and discovered by eagletmt at https://twitter.com/eagletmt/status/1689692467929694209
https://github.com/ruby/zlib/commit/c5e58bc62a
Diffstat (limited to 'node.h')
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