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20 Commits

Author SHA1 Message Date
Mark Adler 9f418e1028 Update old comment in inflate.h. 2024-03-15 17:49:20 -07:00
Mark Adler 21767c654d zlib 1.2.12 2022-03-27 16:05:02 -07:00
Mark Adler 0d36ec47f3 Don't bother computing check value after successful inflateSync(). 
inflateSync() is used to skip invalid deflate data, which means
that the check value that was being computed is no longer useful.
This commit turns off the check value computation, and furthermore
allows a successful return if the compressed data terminated in a
graceful manner. This commit also fixes a bug in the case that
inflateSync() is used before a header is ever processed. In that
case, there is no knowledge of a trailer, so the remainder is
treated as raw.
 2019-01-02 20:40:40 -08:00
Mark Adler 2fa463bacf zlib 1.2.9 2016-12-31 23:37:10 -08:00
Mark Adler b516b4bdd7 Do a more thorough check of the state for every stream call. 
This verifies that the state has been initialized, that it is the
expected type of state, deflate or inflate, and that at least the
first several bytes of the internal state have not been clobbered.
 2016-10-24 21:07:43 -07:00
Mark Adler 33a7aff45d Fix typo. 2016-09-21 08:45:59 -07:00
Mark Adler 9852c209ac Add option to not compute or check check values. 
The undocumented (except in these commit comments) function
inflateValidate(strm, check) can be called after an inflateInit(),
inflateInit2(), or inflateReset2() with check equal to zero to
turn off the check value (CRC-32 or Adler-32) computation and
comparison. Calling with check not equal to zero turns checking
back on. This should only be called immediately after the init or
reset function. inflateReset() does not change the state, so a
previous inflateValidate() setting will remain in effect.

This also turns off validation of the gzip header CRC when
present.

This should only be used when a zlib or gzip stream has already
been checked, and repeated decompressions of the same stream no
longer need to be validated.
 2016-09-20 18:55:37 -07:00
Mark Adler 93b0af4aa7 Correct the size of the inflate state in the comments. 2016-09-20 17:27:28 -07:00
Mark Adler d004b04783 zlib 1.2.3.5 2011-09-09 23:26:49 -07:00
Mark Adler f6194ef39a zlib 1.2.3.4 2011-09-09 23:26:40 -07:00
Mark Adler 639be99788 zlib 1.2.3.3 2011-09-09 23:26:29 -07:00
Mark Adler b1c19ca6d8 zlib 1.2.3.1 2011-09-09 23:25:27 -07:00
Mark Adler 0484693e17 zlib 1.2.2.2 2011-09-09 23:24:33 -07:00
Mark Adler 9811b53dd9 zlib 1.2.2.1 2011-09-09 23:24:24 -07:00
Mark Adler 4b5a43a219 zlib 1.2.0.5 2011-09-09 23:22:37 -07:00
Mark Adler 086e982175 zlib 1.2.0.4 2011-09-09 23:22:30 -07:00
Mark Adler 8e34b3a802 zlib 1.2.0.2 2011-09-09 23:22:10 -07:00
Mark Adler 7c2a874e50 zlib 1.2.0 2011-09-09 23:21:47 -07:00
Mark Adler 913afb9174 zlib 0.79 2011-09-09 22:52:17 -07:00
Mark Adler bcf78a2097 zlib 0.71 2011-09-09 22:36:31 -07:00