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42 Commits

Author SHA1 Message Date
Mark Adler 2fa463bacf zlib 1.2.9 2016-12-31 23:37:10 -08:00
Mark Adler 8f147c3d12 Avoid some random compiler warnings on various platforms. 2016-12-30 23:42:10 -08:00
Mark Adler 21c66cd5ac Increase verbosity required to warn about bit length overflow. 
When debugging the Huffman coding would warn about resulting codes
greater than 15 bits in length. This is handled properly, and is
not uncommon. This increases the verbosity of the warning by one,
so that it is not displayed by default.
 2016-12-04 07:48:47 -08:00
Mark Adler a456d898bb Use memcpy for stored blocks. 
This speeds up level 0 by about a factor of three, as compared to
the previous byte-at-a-time loop. We can do much better though. A
later commit avoids this copy for level 0 with large buffers,
instead copying directly from the input to the output. This commit
still speeds up storing incompressible data found when compressing
normally.
 2016-12-04 07:39:25 -08:00
Mark Adler 7096424f23 Clean up type conversions. 2016-10-11 22:15:50 -07:00
Mark Adler 82e9dc6093 Use const for static tree descriptions in deflate. 
This is in order to permit shared memory for these structures.
 2015-08-15 18:04:50 -07:00
Mark Adler 51a223def4 Avoid use of DEBUG macro -- change to ZLIB_DEBUG. 2015-07-28 22:44:31 -07:00
Mark Adler 62d6112a79 Clean up the usage of z_const and respect const usage within zlib. 
This patch allows zlib to compile cleanly with the -Wcast-qual gcc
warning enabled, but only if ZLIB_CONST is defined, which adds
const to next_in and msg in z_stream and in the in_func prototype.
A --const option is added to ./configure which adds -DZLIB_CONST
to the compile flags, and adds -Wcast-qual to the compile flags
when ZLIBGCCWARN is set in the environment.
 2012-08-13 00:02:40 -07:00
Mark Adler 0b828b4aa6 Write out all of the available bits when using Z_BLOCK. 
Previously, the bit buffer would hold 1 to 16 bits after "all" of the
output is provided after a Z_BLOCK deflate() call.  Now at most seven
bits remain in the output buffer after Z_BLOCK.  flush_pending() now
flushes the bit buffer before copying out the byte buffer, in order
for it to really flush as much as possible.
 2012-01-07 14:08:02 -08:00
Mark Adler 8f5eceefe8 Remove second empty static block for Z_PARTIAL_FLUSH. 
Z_PARTIAL_FLUSH would sometimes emit two empty static blocks instead
of one in order to provide enough lookahead for inflate to be able
to decode what was last compressed.  inflate no longer needs that
much lookahead, so this removes the possibility of emitting the
second empty static block.  Z_PARTIAL_FLUSH will now emit only one
empty static block.
 2012-01-07 14:03:07 -08:00
Mark Adler 263b1a05b0 Allow deflatePrime() to insert bits in the middle of a stream. 
This allows the insertion of multiple empty static blocks for the
purpose of efficiently bringing a stream to a byte boundary.
 2012-01-07 14:03:07 -08:00
Mark Adler 9712272c78 zlib 1.2.5 2011-09-09 23:35:10 -07:00
Mark Adler 7301420248 zlib 1.2.4.5 2011-09-09 23:34:55 -07:00
Mark Adler 67cc20d004 zlib 1.2.4-pre1 2011-09-09 23:32:36 -07:00
Mark Adler f6194ef39a zlib 1.2.3.4 2011-09-09 23:26:40 -07:00
Mark Adler b1c19ca6d8 zlib 1.2.3.1 2011-09-09 23:25:27 -07:00
Mark Adler 9c3a583021 zlib 1.2.2.4 2011-09-09 23:24:52 -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 7a6955760b zlib 1.2.1.2 2011-09-09 23:23:45 -07:00
Mark Adler b97ec631c6 zlib 1.2.0.7 2011-09-09 23:23:01 -07:00
Mark Adler 13a294f044 zlib 1.2.0.1 2011-09-09 23:21:57 -07:00
Mark Adler 7c2a874e50 zlib 1.2.0 2011-09-09 23:21:47 -07:00
Mark Adler a383133c4e zlib 1.1.4 2011-09-09 23:20:42 -07:00
Mark Adler 14763ac7c6 zlib 1.1.3 2011-09-09 23:20:29 -07:00
Mark Adler 02b6cf579f zlib 1.1.1 2011-09-09 23:20:07 -07:00
Mark Adler 965fe72aed zlib 1.1.0 2011-09-09 23:19:55 -07:00
Mark Adler 6759211ad8 zlib 1.0.8 2011-09-09 23:18:57 -07:00
Mark Adler 7850e4e406 zlib 1.0.7 2011-09-09 23:17:33 -07:00
Mark Adler ff11b0a61f zlib 1.0.4 2011-09-09 23:17:02 -07:00
Mark Adler e26a448e96 zlib 1.0.2 2011-09-09 23:15:17 -07:00
Mark Adler 423eb40306 zlib 1.0.1 2011-09-09 23:14:39 -07:00
Mark Adler 8a2acbffc8 zlib 1.0-pre 2011-09-09 23:13:27 -07:00
Mark Adler 56bcb184fa zlib 0.99 2011-09-09 23:11:37 -07:00
Mark Adler 25e5325501 zlib 0.95 2011-09-09 23:10:21 -07:00
Mark Adler 23c69f1069 zlib 0.94 2011-09-09 23:09:18 -07:00
Mark Adler 6b834a58bd zlib 0.93 2011-09-09 23:08:28 -07:00
Mark Adler bdde4e09d2 zlib 0.92 2011-09-09 23:08:07 -07:00
Mark Adler 64b2e89203 zlib 0.9 2011-09-09 23:06:52 -07:00
Mark Adler 4ca984fb44 zlib 0.8 2011-09-09 23:03:14 -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