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* Fix deflateEnd() to not report an error at start of raw deflate.Mark Adler2017-10-121-1/+3
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* Remove old assembler code in which bugs have manifested.Mark Adler2017-10-1218-6172/+0
| | | | | In addition, there is not sufficient gain from the inflate assembler code to warrant its inclusion.
* Make the names in functions declarations identical to definitions.Mark Adler2017-10-123-6/+6
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* Avoid an undefined behavior of memcpy() in _tr_stored_block().Mark Adler2017-10-121-1/+2
| | | | | Allegedly the behavior of memcpy() is undefined if the source pointer is NULL, even if the number of bytes to copy is zero.
* Avoid undefined behaviors of memcpy() in gz*printf().Mark Adler2017-10-121-2/+2
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* Avoid an undefined behavior of memcpy() in gzappend().Mark Adler2017-10-121-1/+1
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* Avoid the use of ptrdiff_t.Mark Adler2017-06-032-11/+3
| | | | | | | | | | | | | | | | | This isn't the right type anyway to assure that it contains a pointer. That type would be intptr_t or uintptr_t. However the C99 standard says that those types are optional, so their use would not be portable. This commit simply uses size_t or whatever configure decided to use for size_t. That would be the same length as ptrdiff_t, and so will work just as well. The code checks to see if the length of the type used is the same as the length of a void pointer, so there is already protection against the use of the wrong type. The use of size_t (or ptrdiff_t) will almost always work, as all modern architectures have an array size that is the same as the pointer size. Only old segmented architectures would have to fall back to the slower CRC-32 calculation, where the amount of memory that can be accessed is larger than the maximum array size.
* Handle case where inflateSync used when header never processed.Mark Adler2017-04-161-0/+2
| | | | | | | | | If zlib and/or gzip header processing was requested, but a header was never provided and inflateSync was used successfully, then the inflate state would be inconsistent, trying to compute a check value but with no flags set. This commit sets the inflate mode to raw in this case, since there is no other assumption that can be made if a header was requested but never seen.
* Don't compute check value for raw inflate if asked to validate.Mark Adler2017-03-301-1/+1
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* Add address checking in clang to -w option of configure.Mark Adler2017-02-181-2/+2
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* Return an error if the gzputs string length can't fit in an int.Mark Adler2017-02-151-4/+7
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* Small speedup to inflate [psumbera].Mark Adler2017-02-151-14/+14
| | | | | | Seeing a few percent speedup by using a pointer instead of an assigned structure. This seems to help the compiler to optimize better.
* Update use of errno for newer Windows CE versions.Mark Adler2017-02-151-2/+2
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* Avoid some conversion warnings in gzread.c and gzwrite.c.Mark Adler2017-02-152-8/+6
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* Have Makefile return non-zero error code on test failure.Mark Adler2017-02-151-6/+6
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* Avoid a conversion error in gzseek when off_t type too small.Mark Adler2017-02-151-2/+2
| | | | | | | | This is a problem in the odd case that the second argument of LSEEK is a larger type than off_t. Apparently MinGW defines off_t to be 32 bits, but _lseeki64 has a 64-bit second argument. Also undo a previous commit to permit MinGW to use _lseeki64.
* Fix CLEAR_HASH macro to be usable as a single statement.Mark Adler2017-02-151-2/+5
| | | | As it is used in deflateParams().
* Fix bug when window full in deflate_stored().Mark Adler2017-02-151-1/+1
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* Limit hash table inserts after switch from stored deflate.Mark Adler2017-02-151-1/+9
| | | | | | | This limits hash table inserts to the available data in the window and to the sliding window size in deflate_stored(). The hash table inserts are deferred until deflateParams() switches to a non-zero compression level.
* Permit a deflateParams() parameter change as soon as possible.Mark Adler2017-02-152-8/+9
| | | | | | | | | This commit allows a parameter change even if the input data has not all been compressed and copied to the application output buffer, so long as all of the input data has been compressed to the internal pending output buffer. This also allows an immediate deflateParams change so long as there have been no deflate calls since initialization or reset.
* Cygwin does not have _wopen(), so do not create gzopen_w() there.Mark Adler2017-01-162-2/+2
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* Change version number to 1.2.11.1.Mark Adler2017-01-1525-48/+51
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* zlib 1.2.11v1.2.11Mark Adler2017-01-1529-54/+58
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* Permit immediate deflateParams changes before any deflate input.Mark Adler2017-01-152-5/+7
| | | | | | | This permits deflateParams to change the strategy and level right after deflateInit, without having to wait until a header has been written. The parameters can be changed immediately up until the first deflate call that consumes any input data.
* Update high water mark in deflate_stored.Mark Adler2017-01-151-0/+4
| | | | | | | This avoids unnecessary filling of bytes in the sliding window buffer when switching from level zero to a non-zero level. This also provides a consistent indication of deflate having taken input for a later commit ...
* Update vestigial comment from very old Info-ZIP deflate.Mark Adler2017-01-151-2/+2
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* Fix deflate stored bug when pulling last block from window.Mark Adler2017-01-151-5/+5
| | | | And some cosmetic cleanups.
* Update location of Visual Studio project files.Mark Adler2017-01-151-1/+1
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* Delete user-specific Visual Studio project files.Mark Adler2017-01-156-24/+0
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* Change version number to 1.2.10.1.Mark Adler2017-01-1527-53/+53
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* zlib 1.2.10v1.2.10Mark Adler2017-01-0225-54/+58
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* Fix compilation with --solo and --debug combined.Mark Adler2017-01-021-1/+1
| | | | | However this ends up not really being solo, since it has to include external libraries.
* Add warnings when compiling with assembler code.Mark Adler2017-01-022-1/+4
| | | | | | | There have been many reports of bugs in the assembler codes intended to speed up deflate and inflate. They are third-party contributions in contrib, and so are not supported by the zlib maintainers.
* Remove files to be installed before copying them in Makefile.in.Mark Adler2017-01-021-0/+5
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* Fix bug in gzwrite.c that produced corrupt gzip files.Mark Adler2017-01-021-0/+1
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* Fix bug in deflate_stored() for zero-length input.Mark Adler2017-01-021-18/+19
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* Minor edits and clarifications of comments.Mark Adler2017-01-011-7/+8
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* Avoid warnings on snprintf() return value.Mark Adler2017-01-011-4/+4
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* Change version number to zlib 1.2.9.1.Mark Adler2017-01-0125-62/+65
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* Fix some stray 1.2.8.1 version numbers.Mark Adler2017-01-012-4/+4
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* zlib 1.2.9v1.2.9Mark Adler2016-12-3155-580/+777
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* Update Visual Studio project files (AraHaan).Mark Adler2016-12-3131-13/+5706
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* Add crc32_z() and adler32_z() functions with size_t lengths.Mark Adler2016-12-313-8/+38
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* Make z_size_t unsigned long for non-standard C.Mark Adler2016-12-313-9/+21
| | | | Also declare z_size_t when compiling solo.
* Avoid the need for ssize_t.Mark Adler2016-12-316-67/+19
| | | | | | | | Limit read() and write() requests to sizes that fit in an int. This allows storing the return value in an int, and avoiding the need to use or construct an ssize_t type. This is required for Microsoft C, whose _read and _write functions take an unsigned request and return an int.
* Use a uniform approach for the largest value of an unsigned type.Mark Adler2016-12-313-3/+3
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* Use intptr_t for z_ssize_t on MSVC.Mark Adler2016-12-303-3/+18
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* Avoid some random compiler warnings on various platforms.Mark Adler2016-12-306-12/+14
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* Allow minigzip to compile when testing with ./configure --solo.Mark Adler2016-12-301-1/+1
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* Replace as400 with os400 for OS/400 support (Monnerat).Mark Adler2016-12-307-444/+518
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