1 2 ChangeLog file for zlib 3 4 Changes in 1.3.1 (22 Jan 2024) 5 - Reject overflows of zip header fields in minizip 6 - Fix bug in inflateSync() for data held in bit buffer 7 - Add LIT_MEM define to use more memory for a small deflate speedup 8 - Fix decision on the emission of Zip64 end records in minizip 9 - Add bounds checking to ERR_MSG() macro, used by zError() 10 - Neutralize zip file traversal attacks in miniunz 11 - Fix a bug in ZLIB_DEBUG compiles in check_match() 12 - Various portability and appearance improvements 13 14 Changes in 1.3 (18 Aug 2023) 15 - Remove K&R function definitions and zlib2ansi 16 - Fix bug in deflateBound() for level 0 and memLevel 9 17 - Fix bug when gzungetc() is used immediately after gzopen() 18 - Fix bug when using gzflush() with a very small buffer 19 - Fix crash when gzsetparams() attempted for transparent write 20 - Fix test/example.c to work with FORCE_STORED 21 - Rewrite of zran in examples (see zran.c version history) 22 - Fix minizip to allow it to open an empty zip file 23 - Fix reading disk number start on zip64 files in minizip 24 - Fix logic error in minizip argument processing 25 - Add minizip testing to Makefile 26 - Read multiple bytes instead of byte-by-byte in minizip unzip.c 27 - Add memory sanitizer to configure (--memory) 28 - Various portability improvements 29 - Various documentation improvements 30 - Various spelling and typo corrections 31 32 Changes in 1.2.13 (13 Oct 2022) 33 - Fix configure issue that discarded provided CC definition 34 - Correct incorrect inputs provided to the CRC functions 35 - Repair prototypes and exporting of new CRC functions 36 - Fix inflateBack to detect invalid input with distances too far 37 - Have infback() deliver all of the available output up to any error 38 - Fix a bug when getting a gzip header extra field with inflate() 39 - Fix bug in block type selection when Z_FIXED used 40 - Tighten deflateBound bounds 41 - Remove deleted assembler code references 42 - Various portability and appearance improvements 43 44 Changes in 1.2.12 (27 Mar 2022) 45 - Cygwin does not have _wopen(), so do not create gzopen_w() there 46 - Permit a deflateParams() parameter change as soon as possible 47 - Limit hash table inserts after switch from stored deflate 48 - Fix bug when window full in deflate_stored() 49 - Fix CLEAR_HASH macro to be usable as a single statement 50 - Avoid a conversion error in gzseek when off_t type too small 51 - Have Makefile return non-zero error code on test failure 52 - Avoid some conversion warnings in gzread.c and gzwrite.c 53 - Update use of errno for newer Windows CE versions 54 - Small speedup to inflate [psumbera] 55 - Return an error if the gzputs string length can't fit in an int 56 - Add address checking in clang to -w option of configure 57 - Don't compute check value for raw inflate if asked to validate 58 - Handle case where inflateSync used when header never processed 59 - Avoid the use of ptrdiff_t 60 - Avoid an undefined behavior of memcpy() in gzappend() 61 - Avoid undefined behaviors of memcpy() in gz*printf() 62 - Avoid an undefined behavior of memcpy() in _tr_stored_block() 63 - Make the names in functions declarations identical to definitions 64 - Remove old assembler code in which bugs have manifested 65 - Fix deflateEnd() to not report an error at start of raw deflate 66 - Add legal disclaimer to README 67 - Emphasize the need to continue decompressing gzip members 68 - Correct the initialization requirements for deflateInit2() 69 - Fix a bug that can crash deflate on some input when using Z_FIXED 70 - Assure that the number of bits for deflatePrime() is valid 71 - Use a structure to make globals in enough.c evident 72 - Use a macro for the printf format of big_t in enough.c 73 - Clean up code style in enough.c, update version 74 - Use inline function instead of macro for index in enough.c 75 - Clarify that prefix codes are counted in enough.c 76 - Show all the codes for the maximum tables size in enough.c 77 - Add gznorm.c example, which normalizes gzip files 78 - Fix the zran.c example to work on a multiple-member gzip file 79 - Add tables for crc32_combine(), to speed it up by a factor of 200 80 - Add crc32_combine_gen() and crc32_combine_op() for fast combines 81 - Speed up software CRC-32 computation by a factor of 1.5 to 3 82 - Use atomic test and set, if available, for dynamic CRC tables 83 - Don't bother computing check value after successful inflateSync() 84 - Correct comment in crc32.c 85 - Add use of the ARMv8 crc32 instructions when requested 86 - Use ARM crc32 instructions if the ARM architecture has them 87 - Explicitly note that the 32-bit check values are 32 bits 88 - Avoid adding empty gzip member after gzflush with Z_FINISH 89 - Fix memory leak on error in gzlog.c 90 - Fix error in comment on the polynomial representation of a byte 91 - Clarify gz* function interfaces, referring to parameter names 92 - Change macro name in inflate.c to avoid collision in VxWorks 93 - Correct typo in blast.c 94 - Improve portability of contrib/minizip 95 - Fix indentation in minizip's zip.c 96 - Replace black/white with allow/block. (theresa-m) 97 - minizip warning fix if MAXU32 already defined. (gvollant) 98 - Fix unztell64() in minizip to work past 4GB. (Danil Hrchner) 99 - Clean up minizip to reduce warnings for testing 100 - Add fallthrough comments for gcc 101 - Eliminate use of ULL constants 102 - Separate out address sanitizing from warnings in configure 103 - Remove destructive aspects of make distclean 104 - Check for cc masquerading as gcc or clang in configure 105 - Fix crc32.c to compile local functions only if used 106 107 Changes in 1.2.11 (15 Jan 2017) 108 - Fix deflate stored bug when pulling last block from window 109 - Permit immediate deflateParams changes before any deflate input 110 111 Changes in 1.2.10 (2 Jan 2017) 112 - Avoid warnings on snprintf() return value 113 - Fix bug in deflate_stored() for zero-length input 114 - Fix bug in gzwrite.c that produced corrupt gzip files 115 - Remove files to be installed before copying them in Makefile.in 116 - Add warnings when compiling with assembler code 117 118 Changes in 1.2.9 (31 Dec 2016) 119 - Fix contrib/minizip to permit unzipping with desktop API [Zouzou] 120 - Improve contrib/blast to return unused bytes 121 - Assure that gzoffset() is correct when appending 122 - Improve compress() and uncompress() to support large lengths 123 - Fix bug in test/example.c where error code not saved 124 - Remedy Coverity warning [Randers-Pehrson] 125 - Improve speed of gzprintf() in transparent mode 126 - Fix inflateInit2() bug when windowBits is 16 or 32 127 - Change DEBUG macro to ZLIB_DEBUG 128 - Avoid uninitialized access by gzclose_w() 129 - Allow building zlib outside of the source directory 130 - Fix bug that accepted invalid zlib header when windowBits is zero 131 - Fix gzseek() problem on MinGW due to buggy _lseeki64 there 132 - Loop on write() calls in gzwrite.c in case of non-blocking I/O 133 - Add --warn (-w) option to ./configure for more compiler warnings 134 - Reject a window size of 256 bytes if not using the zlib wrapper 135 - Fix bug when level 0 used with Z_HUFFMAN or Z_RLE 136 - Add --debug (-d) option to ./configure to define ZLIB_DEBUG 137 - Fix bugs in creating a very large gzip header 138 - Add uncompress2() function, which returns the input size used 139 - Assure that deflateParams() will not switch functions mid-block 140 - Dramatically speed up deflation for level 0 (storing) 141 - Add gzfread(), duplicating the interface of fread() 142 - Add gzfwrite(), duplicating the interface of fwrite() 143 - Add deflateGetDictionary() function 144 - Use snprintf() for later versions of Microsoft C 145 - Fix *Init macros to use z_ prefix when requested 146 - Replace as400 with os400 for OS/400 support [Monnerat] 147 - Add crc32_z() and adler32_z() functions with size_t lengths 148 - Update Visual Studio project files [AraHaan] 149 150 Changes in 1.2.8 (28 Apr 2013) 151 - Update contrib/minizip/iowin32.c for Windows RT [Vollant] 152 - Do not force Z_CONST for C++ 153 - Clean up contrib/vstudio [Ro] 154 - Correct spelling error in zlib.h 155 - Fix mixed line endings in contrib/vstudio 156 157 Changes in 1.2.7.3 (13 Apr 2013) 158 - Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc 159 160 Changes in 1.2.7.2 (13 Apr 2013) 161 - Change check for a four-byte type back to hexadecimal 162 - Fix typo in win32/Makefile.msc 163 - Add casts in gzwrite.c for pointer differences 164 165 Changes in 1.2.7.1 (24 Mar 2013) 166 - Replace use of unsafe string functions with snprintf if available 167 - Avoid including stddef.h on Windows for Z_SOLO compile [Niessink] 168 - Fix gzgetc undefine when Z_PREFIX set [Turk] 169 - Eliminate use of mktemp in Makefile (not always available) 170 - Fix bug in 'F' mode for gzopen() 171 - Add inflateGetDictionary() function 172 - Correct comment in deflate.h 173 - Use _snprintf for snprintf in Microsoft C 174 - On Darwin, only use /usr/bin/libtool if libtool is not Apple 175 - Delete "--version" file if created by "ar --version" [Richard G.] 176 - Fix configure check for veracity of compiler error return codes 177 - Fix CMake compilation of static lib for MSVC2010 x64 178 - Remove unused variable in infback9.c 179 - Fix argument checks in gzlog_compress() and gzlog_write() 180 - Clean up the usage of z_const and respect const usage within zlib 181 - Clean up examples/gzlog.[ch] comparisons of different types 182 - Avoid shift equal to bits in type (caused endless loop) 183 - Fix uninitialized value bug in gzputc() introduced by const patches 184 - Fix memory allocation error in examples/zran.c [Nor] 185 - Fix bug where gzopen(), gzclose() would write an empty file 186 - Fix bug in gzclose() when gzwrite() runs out of memory 187 - Check for input buffer malloc failure in examples/gzappend.c 188 - Add note to contrib/blast to use binary mode in stdio 189 - Fix comparisons of differently signed integers in contrib/blast 190 - Check for invalid code length codes in contrib/puff 191 - Fix serious but very rare decompression bug in inftrees.c 192 - Update inflateBack() comments, since inflate() can be faster 193 - Use underscored I/O function names for WINAPI_FAMILY 194 - Add _tr_flush_bits to the external symbols prefixed by --zprefix 195 - Add contrib/vstudio/vc10 pre-build step for static only 196 - Quote --version-script argument in CMakeLists.txt 197 - Don't specify --version-script on Apple platforms in CMakeLists.txt 198 - Fix casting error in contrib/testzlib/testzlib.c 199 - Fix types in contrib/minizip to match result of get_crc_table() 200 - Simplify contrib/vstudio/vc10 with 'd' suffix 201 - Add TOP support to win32/Makefile.msc 202 - Support i686 and amd64 assembler builds in CMakeLists.txt 203 - Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h 204 - Add vc11 and vc12 build files to contrib/vstudio 205 - Add gzvprintf() as an undocumented function in zlib 206 - Fix configure for Sun shell 207 - Remove runtime check in configure for four-byte integer type 208 - Add casts and consts to ease user conversion to C++ 209 - Add man pages for minizip and miniunzip 210 - In Makefile uninstall, don't rm if preceding cd fails 211 - Do not return Z_BUF_ERROR if deflateParam() has nothing to write 212 213 Changes in 1.2.7 (2 May 2012) 214 - Replace use of memmove() with a simple copy for portability 215 - Test for existence of strerror 216 - Restore gzgetc_ for backward compatibility with 1.2.6 217 - Fix build with non-GNU make on Solaris 218 - Require gcc 4.0 or later on Mac OS X to use the hidden attribute 219 - Include unistd.h for Watcom C 220 - Use __WATCOMC__ instead of __WATCOM__ 221 - Do not use the visibility attribute if NO_VIZ defined 222 - Improve the detection of no hidden visibility attribute 223 - Avoid using __int64 for gcc or solo compilation 224 - Cast to char * in gzprintf to avoid warnings [Zinser] 225 - Fix make_vms.com for VAX [Zinser] 226 - Don't use library or built-in byte swaps 227 - Simplify test and use of gcc hidden attribute 228 - Fix bug in gzclose_w() when gzwrite() fails to allocate memory 229 - Add "x" (O_EXCL) and "e" (O_CLOEXEC) modes support to gzopen() 230 - Fix bug in test/minigzip.c for configure --solo 231 - Fix contrib/vstudio project link errors [Mohanathas] 232 - Add ability to choose the builder in make_vms.com [Schweda] 233 - Add DESTDIR support to mingw32 win32/Makefile.gcc 234 - Fix comments in win32/Makefile.gcc for proper usage 235 - Allow overriding the default install locations for cmake 236 - Generate and install the pkg-config file with cmake 237 - Build both a static and a shared version of zlib with cmake 238 - Include version symbols for cmake builds 239 - If using cmake with MSVC, add the source directory to the includes 240 - Remove unneeded EXTRA_CFLAGS from win32/Makefile.gcc [Truta] 241 - Move obsolete emx makefile to old [Truta] 242 - Allow the use of -Wundef when compiling or using zlib 243 - Avoid the use of the -u option with mktemp 244 - Improve inflate() documentation on the use of Z_FINISH 245 - Recognize clang as gcc 246 - Add gzopen_w() in Windows for wide character path names 247 - Rename zconf.h in CMakeLists.txt to move it out of the way 248 - Add source directory in CMakeLists.txt for building examples 249 - Look in build directory for zlib.pc in CMakeLists.txt 250 - Remove gzflags from zlibvc.def in vc9 and vc10 251 - Fix contrib/minizip compilation in the MinGW environment 252 - Update ./configure for Solaris, support --64 [Mooney] 253 - Remove -R. from Solaris shared build (possible security issue) 254 - Avoid race condition for parallel make (-j) running example 255 - Fix type mismatch between get_crc_table() and crc_table 256 - Fix parsing of version with "-" in CMakeLists.txt [Snider, Ziegler] 257 - Fix the path to zlib.map in CMakeLists.txt 258 - Force the native libtool in Mac OS X to avoid GNU libtool [Beebe] 259 - Add instructions to win32/Makefile.gcc for shared install [Torri] 260 261 Changes in 1.2.6.1 (12 Feb 2012) 262 - Avoid the use of the Objective-C reserved name "id" 263 - Include io.h in gzguts.h for Microsoft compilers 264 - Fix problem with ./configure --prefix and gzgetc macro 265 - Include gz_header definition when compiling zlib solo 266 - Put gzflags() functionality back in zutil.c 267 - Avoid library header include in crc32.c for Z_SOLO 268 - Use name in GCC_CLASSIC as C compiler for coverage testing, if set 269 - Minor cleanup in contrib/minizip/zip.c [Vollant] 270 - Update make_vms.com [Zinser] 271 - Remove unnecessary gzgetc_ function 272 - Use optimized byte swap operations for Microsoft and GNU [Snyder] 273 - Fix minor typo in zlib.h comments [Rzesniowiecki] 274 275 Changes in 1.2.6 (29 Jan 2012) 276 - Update the Pascal interface in contrib/pascal 277 - Fix function numbers for gzgetc_ in zlibvc.def files 278 - Fix configure.ac for contrib/minizip [Schiffer] 279 - Fix large-entry detection in minizip on 64-bit systems [Schiffer] 280 - Have ./configure use the compiler return code for error indication 281 - Fix CMakeLists.txt for cross compilation [McClure] 282 - Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes] 283 - Fix compilation of contrib/minizip on FreeBSD [Marquez] 284 - Correct suggested usages in win32/Makefile.msc [Shachar, Horvath] 285 - Include io.h for Turbo C / Borland C on all platforms [Truta] 286 - Make version explicit in contrib/minizip/configure.ac [Bosmans] 287 - Avoid warning for no encryption in contrib/minizip/zip.c [Vollant] 288 - Minor cleanup up contrib/minizip/unzip.c [Vollant] 289 - Fix bug when compiling minizip with C++ [Vollant] 290 - Protect for long name and extra fields in contrib/minizip [Vollant] 291 - Avoid some warnings in contrib/minizip [Vollant] 292 - Add -I../.. -L../.. to CFLAGS for minizip and miniunzip 293 - Add missing libs to minizip linker command 294 - Add support for VPATH builds in contrib/minizip 295 - Add an --enable-demos option to contrib/minizip/configure 296 - Add the generation of configure.log by ./configure 297 - Exit when required parameters not provided to win32/Makefile.gcc 298 - Have gzputc return the character written instead of the argument 299 - Use the -m option on ldconfig for BSD systems [Tobias] 300 - Correct in zlib.map when deflateResetKeep was added 301 302 Changes in 1.2.5.3 (15 Jan 2012) 303 - Restore gzgetc function for binary compatibility 304 - Do not use _lseeki64 under Borland C++ [Truta] 305 - Update win32/Makefile.msc to build test/*.c [Truta] 306 - Remove old/visualc6 given CMakefile and other alternatives 307 - Update AS400 build files and documentation [Monnerat] 308 - Update win32/Makefile.gcc to build test/*.c [Truta] 309 - Permit stronger flushes after Z_BLOCK flushes 310 - Avoid extraneous empty blocks when doing empty flushes 311 - Permit Z_NULL arguments to deflatePending 312 - Allow deflatePrime() to insert bits in the middle of a stream 313 - Remove second empty static block for Z_PARTIAL_FLUSH 314 - Write out all of the available bits when using Z_BLOCK 315 - Insert the first two strings in the hash table after a flush 316 317 Changes in 1.2.5.2 (17 Dec 2011) 318 - fix ld error: unable to find version dependency 'ZLIB_1.2.5' 319 - use relative symlinks for shared libs 320 - Avoid searching past window for Z_RLE strategy 321 - Assure that high-water mark initialization is always applied in deflate 322 - Add assertions to fill_window() in deflate.c to match comments 323 - Update python link in README 324 - Correct spelling error in gzread.c 325 - Fix bug in gzgets() for a concatenated empty gzip stream 326 - Correct error in comment for gz_make() 327 - Change gzread() and related to ignore junk after gzip streams 328 - Allow gzread() and related to continue after gzclearerr() 329 - Allow gzrewind() and gzseek() after a premature end-of-file 330 - Simplify gzseek() now that raw after gzip is ignored 331 - Change gzgetc() to a macro for speed (~40% speedup in testing) 332 - Fix gzclose() to return the actual error last encountered 333 - Always add large file support for windows 334 - Include zconf.h for windows large file support 335 - Include zconf.h.cmakein for windows large file support 336 - Update zconf.h.cmakein on make distclean 337 - Merge vestigial vsnprintf determination from zutil.h to gzguts.h 338 - Clarify how gzopen() appends in zlib.h comments 339 - Correct documentation of gzdirect() since junk at end now ignored 340 - Add a transparent write mode to gzopen() when 'T' is in the mode 341 - Update python link in zlib man page 342 - Get inffixed.h and MAKEFIXED result to match 343 - Add a ./config --solo option to make zlib subset with no library use 344 - Add undocumented inflateResetKeep() function for CAB file decoding 345 - Add --cover option to ./configure for gcc coverage testing 346 - Add #define ZLIB_CONST option to use const in the z_stream interface 347 - Add comment to gzdopen() in zlib.h to use dup() when using fileno() 348 - Note behavior of uncompress() to provide as much data as it can 349 - Add files in contrib/minizip to aid in building libminizip 350 - Split off AR options in Makefile.in and configure 351 - Change ON macro to Z_ARG to avoid application conflicts 352 - Facilitate compilation with Borland C++ for pragmas and vsnprintf 353 - Include io.h for Turbo C / Borland C++ 354 - Move example.c and minigzip.c to test/ 355 - Simplify incomplete code table filling in inflate_table() 356 - Remove code from inflate.c and infback.c that is impossible to execute 357 - Test the inflate code with full coverage 358 - Allow deflateSetDictionary, inflateSetDictionary at any time (in raw) 359 - Add deflateResetKeep and fix inflateResetKeep to retain dictionary 360 - Fix gzwrite.c to accommodate reduced memory zlib compilation 361 - Have inflate() with Z_FINISH avoid the allocation of a window 362 - Do not set strm->adler when doing raw inflate 363 - Fix gzeof() to behave just like feof() when read is not past end of file 364 - Fix bug in gzread.c when end-of-file is reached 365 - Avoid use of Z_BUF_ERROR in gz* functions except for premature EOF 366 - Document gzread() capability to read concurrently written files 367 - Remove hard-coding of resource compiler in CMakeLists.txt [Blammo] 368 369 Changes in 1.2.5.1 (10 Sep 2011) 370 - Update FAQ entry on shared builds (#13) 371 - Avoid symbolic argument to chmod in Makefile.in 372 - Fix bug and add consts in contrib/puff [Oberhumer] 373 - Update contrib/puff/zeros.raw test file to have all block types 374 - Add full coverage test for puff in contrib/puff/Makefile 375 - Fix static-only-build install in Makefile.in 376 - Fix bug in unzGetCurrentFileInfo() in contrib/minizip [Kuno] 377 - Add libz.a dependency to shared in Makefile.in for parallel builds 378 - Spell out "number" (instead of "nb") in zlib.h for total_in, total_out 379 - Replace $(...) with `...` in configure for non-bash sh [Bowler] 380 - Add darwin* to Darwin* and solaris* to SunOS\ 5* in configure [Groffen] 381 - Add solaris* to Linux* in configure to allow gcc use [Groffen] 382 - Add *bsd* to Linux* case in configure [Bar-Lev] 383 - Add inffast.obj to dependencies in win32/Makefile.msc 384 - Correct spelling error in deflate.h [Kohler] 385 - Change libzdll.a again to libz.dll.a (!) in win32/Makefile.gcc 386 - Add test to configure for GNU C looking for gcc in output of $cc -v 387 - Add zlib.pc generation to win32/Makefile.gcc [Weigelt] 388 - Fix bug in zlib.h for _FILE_OFFSET_BITS set and _LARGEFILE64_SOURCE not 389 - Add comment in zlib.h that adler32_combine with len2 < 0 makes no sense 390 - Make NO_DIVIDE option in adler32.c much faster (thanks to John Reiser) 391 - Make stronger test in zconf.h to include unistd.h for LFS 392 - Apply Darwin patches for 64-bit file offsets to contrib/minizip [Slack] 393 - Fix zlib.h LFS support when Z_PREFIX used 394 - Add updated as400 support (removed from old) [Monnerat] 395 - Avoid deflate sensitivity to volatile input data 396 - Avoid division in adler32_combine for NO_DIVIDE 397 - Clarify the use of Z_FINISH with deflateBound() amount of space 398 - Set binary for output file in puff.c 399 - Use u4 type for crc_table to avoid conversion warnings 400 - Apply casts in zlib.h to avoid conversion warnings 401 - Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller] 402 - Improve inflateSync() documentation to note indeterminacy 403 - Add deflatePending() function to return the amount of pending output 404 - Correct the spelling of "specification" in FAQ [Randers-Pehrson] 405 - Add a check in configure for stdarg.h, use for gzprintf() 406 - Check that pointers fit in ints when gzprint() compiled old style 407 - Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler] 408 - Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt] 409 - Add debug records in assembler code [Londer] 410 - Update RFC references to use http://tools.ietf.org/html/... [Li] 411 - Add --archs option, use of libtool to configure for Mac OS X [Borstel] 412 413 Changes in 1.2.5 (19 Apr 2010) 414 - Disable visibility attribute in win32/Makefile.gcc [Bar-Lev] 415 - Default to libdir as sharedlibdir in configure [Nieder] 416 - Update copyright dates on modified source files 417 - Update trees.c to be able to generate modified trees.h 418 - Exit configure for MinGW, suggesting win32/Makefile.gcc 419 - Check for NULL path in gz_open [Homurlu] 420 421 Changes in 1.2.4.5 (18 Apr 2010) 422 - Set sharedlibdir in configure [Torok] 423 - Set LDFLAGS in Makefile.in [Bar-Lev] 424 - Avoid mkdir objs race condition in Makefile.in [Bowler] 425 - Add ZLIB_INTERNAL in front of internal inter-module functions and arrays 426 - Define ZLIB_INTERNAL to hide internal functions and arrays for GNU C 427 - Don't use hidden attribute when it is a warning generator (e.g. Solaris) 428 429 Changes in 1.2.4.4 (18 Apr 2010) 430 - Fix CROSS_PREFIX executable testing, CHOST extract, mingw* [Torok] 431 - Undefine _LARGEFILE64_SOURCE in zconf.h if it is zero, but not if empty 432 - Try to use bash or ksh regardless of functionality of /bin/sh 433 - Fix configure incompatibility with NetBSD sh 434 - Remove attempt to run under bash or ksh since have better NetBSD fix 435 - Fix win32/Makefile.gcc for MinGW [Bar-Lev] 436 - Add diagnostic messages when using CROSS_PREFIX in configure 437 - Added --sharedlibdir option to configure [Weigelt] 438 - Use hidden visibility attribute when available [Frysinger] 439 440 Changes in 1.2.4.3 (10 Apr 2010) 441 - Only use CROSS_PREFIX in configure for ar and ranlib if they exist 442 - Use CROSS_PREFIX for nm [Bar-Lev] 443 - Assume _LARGEFILE64_SOURCE defined is equivalent to true 444 - Avoid use of undefined symbols in #if with && and || 445 - Make *64 prototypes in gzguts.h consistent with functions 446 - Add -shared load option for MinGW in configure [Bowler] 447 - Move z_off64_t to public interface, use instead of off64_t 448 - Remove ! from shell test in configure (not portable to Solaris) 449 - Change +0 macro tests to -0 for possibly increased portability 450 451 Changes in 1.2.4.2 (9 Apr 2010) 452 - Add consistent carriage returns to readme.txt's in masmx86 and masmx64 453 - Really provide prototypes for *64 functions when building without LFS 454 - Only define unlink() in minigzip.c if unistd.h not included 455 - Update README to point to contrib/vstudio project files 456 - Move projects/vc6 to old/ and remove projects/ 457 - Include stdlib.h in minigzip.c for setmode() definition under WinCE 458 - Clean up assembler builds in win32/Makefile.msc [Rowe] 459 - Include sys/types.h for Microsoft for off_t definition 460 - Fix memory leak on error in gz_open() 461 - Symbolize nm as $NM in configure [Weigelt] 462 - Use TEST_LDSHARED instead of LDSHARED to link test programs [Weigelt] 463 - Add +0 to _FILE_OFFSET_BITS and _LFS64_LARGEFILE in case not defined 464 - Fix bug in gzeof() to take into account unused input data 465 - Avoid initialization of structures with variables in puff.c 466 - Updated win32/README-WIN32.txt [Rowe] 467 468 Changes in 1.2.4.1 (28 Mar 2010) 469 - Remove the use of [a-z] constructs for sed in configure [gentoo 310225] 470 - Remove $(SHAREDLIB) from LIBS in Makefile.in [Creech] 471 - Restore "for debugging" comment on sprintf() in gzlib.c 472 - Remove fdopen for MVS from gzguts.h 473 - Put new README-WIN32.txt in win32 [Rowe] 474 - Add check for shell to configure and invoke another shell if needed 475 - Fix big fat stinking bug in gzseek() on uncompressed files 476 - Remove vestigial F_OPEN64 define in zutil.h 477 - Set and check the value of _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE 478 - Avoid errors on non-LFS systems when applications define LFS macros 479 - Set EXE to ".exe" in configure for MINGW [Kahle] 480 - Match crc32() in crc32.c exactly to the prototype in zlib.h [Sherrill] 481 - Add prefix for cross-compilation in win32/makefile.gcc [Bar-Lev] 482 - Add DLL install in win32/makefile.gcc [Bar-Lev] 483 - Allow Linux* or linux* from uname in configure [Bar-Lev] 484 - Allow ldconfig to be redefined in configure and Makefile.in [Bar-Lev] 485 - Add cross-compilation prefixes to configure [Bar-Lev] 486 - Match type exactly in gz_load() invocation in gzread.c 487 - Match type exactly of zcalloc() in zutil.c to zlib.h alloc_func 488 - Provide prototypes for *64 functions when building zlib without LFS 489 - Don't use -lc when linking shared library on MinGW 490 - Remove errno.h check in configure and vestigial errno code in zutil.h 491 492 Changes in 1.2.4 (14 Mar 2010) 493 - Fix VER3 extraction in configure for no fourth subversion 494 - Update zlib.3, add docs to Makefile.in to make .pdf out of it 495 - Add zlib.3.pdf to distribution 496 - Don't set error code in gzerror() if passed pointer is NULL 497 - Apply destination directory fixes to CMakeLists.txt [Lowman] 498 - Move #cmakedefine's to a new zconf.in.cmakein 499 - Restore zconf.h for builds that don't use configure or cmake 500 - Add distclean to dummy Makefile for convenience 501 - Update and improve INDEX, README, and FAQ 502 - Update CMakeLists.txt for the return of zconf.h [Lowman] 503 - Update contrib/vstudio/vc9 and vc10 [Vollant] 504 - Change libz.dll.a back to libzdll.a in win32/Makefile.gcc 505 - Apply license and readme changes to contrib/asm686 [Raiter] 506 - Check file name lengths and add -c option in minigzip.c [Li] 507 - Update contrib/amd64 and contrib/masmx86/ [Vollant] 508 - Avoid use of "eof" parameter in trees.c to not shadow library variable 509 - Update make_vms.com for removal of zlibdefs.h [Zinser] 510 - Update assembler code and vstudio projects in contrib [Vollant] 511 - Remove outdated assembler code contrib/masm686 and contrib/asm586 512 - Remove old vc7 and vc8 from contrib/vstudio 513 - Update win32/Makefile.msc, add ZLIB_VER_SUBREVISION [Rowe] 514 - Fix memory leaks in gzclose_r() and gzclose_w(), file leak in gz_open() 515 - Add contrib/gcc_gvmat64 for longest_match and inflate_fast [Vollant] 516 - Remove *64 functions from win32/zlib.def (they're not 64-bit yet) 517 - Fix bug in void-returning vsprintf() case in gzwrite.c 518 - Fix name change from inflate.h in contrib/inflate86/inffas86.c 519 - Check if temporary file exists before removing in make_vms.com [Zinser] 520 - Fix make install and uninstall for --static option 521 - Fix usage of _MSC_VER in gzguts.h and zutil.h [Truta] 522 - Update readme.txt in contrib/masmx64 and masmx86 to assemble 523 524 Changes in 1.2.3.9 (21 Feb 2010) 525 - Expunge gzio.c 526 - Move as400 build information to old 527 - Fix updates in contrib/minizip and contrib/vstudio 528 - Add const to vsnprintf test in configure to avoid warnings [Weigelt] 529 - Delete zconf.h (made by configure) [Weigelt] 530 - Change zconf.in.h to zconf.h.in per convention [Weigelt] 531 - Check for NULL buf in gzgets() 532 - Return empty string for gzgets() with len == 1 (like fgets()) 533 - Fix description of gzgets() in zlib.h for end-of-file, NULL return 534 - Update minizip to 1.1 [Vollant] 535 - Avoid MSVC loss of data warnings in gzread.c, gzwrite.c 536 - Note in zlib.h that gzerror() should be used to distinguish from EOF 537 - Remove use of snprintf() from gzlib.c 538 - Fix bug in gzseek() 539 - Update contrib/vstudio, adding vc9 and vc10 [Kuno, Vollant] 540 - Fix zconf.h generation in CMakeLists.txt [Lowman] 541 - Improve comments in zconf.h where modified by configure 542 543 Changes in 1.2.3.8 (13 Feb 2010) 544 - Clean up text files (tabs, trailing whitespace, etc.) [Oberhumer] 545 - Use z_off64_t in gz_zero() and gz_skip() to match state->skip 546 - Avoid comparison problem when sizeof(int) == sizeof(z_off64_t) 547 - Revert to Makefile.in from 1.2.3.6 (live with the clutter) 548 - Fix missing error return in gzflush(), add zlib.h note 549 - Add *64 functions to zlib.map [Levin] 550 - Fix signed/unsigned comparison in gz_comp() 551 - Use SFLAGS when testing shared linking in configure 552 - Add --64 option to ./configure to use -m64 with gcc 553 - Fix ./configure --help to correctly name options 554 - Have make fail if a test fails [Levin] 555 - Avoid buffer overrun in contrib/masmx64/gvmat64.asm [Simpson] 556 - Remove assembler object files from contrib 557 558 Changes in 1.2.3.7 (24 Jan 2010) 559 - Always gzopen() with O_LARGEFILE if available 560 - Fix gzdirect() to work immediately after gzopen() or gzdopen() 561 - Make gzdirect() more precise when the state changes while reading 562 - Improve zlib.h documentation in many places 563 - Catch memory allocation failure in gz_open() 564 - Complete close operation if seek forward in gzclose_w() fails 565 - Return Z_ERRNO from gzclose_r() if close() fails 566 - Return Z_STREAM_ERROR instead of EOF for gzclose() being passed NULL 567 - Return zero for gzwrite() errors to match zlib.h description 568 - Return -1 on gzputs() error to match zlib.h description 569 - Add zconf.in.h to allow recovery from configure modification [Weigelt] 570 - Fix static library permissions in Makefile.in [Weigelt] 571 - Avoid warnings in configure tests that hide functionality [Weigelt] 572 - Add *BSD and DragonFly to Linux case in configure [gentoo 123571] 573 - Change libzdll.a to libz.dll.a in win32/Makefile.gcc [gentoo 288212] 574 - Avoid access of uninitialized data for first inflateReset2 call [Gomes] 575 - Keep object files in subdirectories to reduce the clutter somewhat 576 - Remove default Makefile and zlibdefs.h, add dummy Makefile 577 - Add new external functions to Z_PREFIX, remove duplicates, z_z_ -> z_ 578 - Remove zlibdefs.h completely -- modify zconf.h instead 579 580 Changes in 1.2.3.6 (17 Jan 2010) 581 - Avoid void * arithmetic in gzread.c and gzwrite.c 582 - Make compilers happier with const char * for gz_error message 583 - Avoid unused parameter warning in inflate.c 584 - Avoid signed-unsigned comparison warning in inflate.c 585 - Indent #pragma's for traditional C 586 - Fix usage of strwinerror() in glib.c, change to gz_strwinerror() 587 - Correct email address in configure for system options 588 - Update make_vms.com and add make_vms.com to contrib/minizip [Zinser] 589 - Update zlib.map [Brown] 590 - Fix Makefile.in for Solaris 10 make of example64 and minizip64 [Torok] 591 - Apply various fixes to CMakeLists.txt [Lowman] 592 - Add checks on len in gzread() and gzwrite() 593 - Add error message for no more room for gzungetc() 594 - Remove zlib version check in gzwrite() 595 - Defer compression of gzprintf() result until need to 596 - Use snprintf() in gzdopen() if available 597 - Remove USE_MMAP configuration determination (only used by minigzip) 598 - Remove examples/pigz.c (available separately) 599 - Update examples/gun.c to 1.6 600 601 Changes in 1.2.3.5 (8 Jan 2010) 602 - Add space after #if in zutil.h for some compilers 603 - Fix relatively harmless bug in deflate_fast() [Exarevsky] 604 - Fix same problem in deflate_slow() 605 - Add $(SHAREDLIBV) to LIBS in Makefile.in [Brown] 606 - Add deflate_rle() for faster Z_RLE strategy run-length encoding 607 - Add deflate_huff() for faster Z_HUFFMAN_ONLY encoding 608 - Change name of "write" variable in inffast.c to avoid library collisions 609 - Fix premature EOF from gzread() in gzio.c [Brown] 610 - Use zlib header window size if windowBits is 0 in inflateInit2() 611 - Remove compressBound() call in deflate.c to avoid linking compress.o 612 - Replace use of errno in gz* with functions, support WinCE [Alves] 613 - Provide alternative to perror() in minigzip.c for WinCE [Alves] 614 - Don't use _vsnprintf on later versions of MSVC [Lowman] 615 - Add CMake build script and input file [Lowman] 616 - Update contrib/minizip to 1.1 [Svensson, Vollant] 617 - Moved nintendods directory from contrib to root 618 - Replace gzio.c with a new set of routines with the same functionality 619 - Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above 620 - Update contrib/minizip to 1.1b 621 - Change gzeof() to return 0 on error instead of -1 to agree with zlib.h 622 623 Changes in 1.2.3.4 (21 Dec 2009) 624 - Use old school .SUFFIXES in Makefile.in for FreeBSD compatibility 625 - Update comments in configure and Makefile.in for default --shared 626 - Fix test -z's in configure [Marquess] 627 - Build examplesh and minigzipsh when not testing 628 - Change NULL's to Z_NULL's in deflate.c and in comments in zlib.h 629 - Import LDFLAGS from the environment in configure 630 - Fix configure to populate SFLAGS with discovered CFLAGS options 631 - Adapt make_vms.com to the new Makefile.in [Zinser] 632 - Add zlib2ansi script for C++ compilation [Marquess] 633 - Add _FILE_OFFSET_BITS=64 test to make test (when applicable) 634 - Add AMD64 assembler code for longest match to contrib [Teterin] 635 - Include options from $SFLAGS when doing $LDSHARED 636 - Simplify 64-bit file support by introducing z_off64_t type 637 - Make shared object files in objs directory to work around old Sun cc 638 - Use only three-part version number for Darwin shared compiles 639 - Add rc option to ar in Makefile.in for when ./configure not run 640 - Add -WI,-rpath,. to LDFLAGS for OSF 1 V4* 641 - Set LD_LIBRARYN32_PATH for SGI IRIX shared compile 642 - Protect against _FILE_OFFSET_BITS being defined when compiling zlib 643 - Rename Makefile.in targets allstatic to static and allshared to shared 644 - Fix static and shared Makefile.in targets to be independent 645 - Correct error return bug in gz_open() by setting state [Brown] 646 - Put spaces before ;;'s in configure for better sh compatibility 647 - Add pigz.c (parallel implementation of gzip) to examples/ 648 - Correct constant in crc32.c to UL [Leventhal] 649 - Reject negative lengths in crc32_combine() 650 - Add inflateReset2() function to work like inflateEnd()/inflateInit2() 651 - Include sys/types.h for _LARGEFILE64_SOURCE [Brown] 652 - Correct typo in doc/algorithm.txt [Janik] 653 - Fix bug in adler32_combine() [Zhu] 654 - Catch missing-end-of-block-code error in all inflates and in puff 655 Assures that random input to inflate eventually results in an error 656 - Added enough.c (calculation of ENOUGH for inftrees.h) to examples/ 657 - Update ENOUGH and its usage to reflect discovered bounds 658 - Fix gzerror() error report on empty input file [Brown] 659 - Add ush casts in trees.c to avoid pedantic runtime errors 660 - Fix typo in zlib.h uncompress() description [Reiss] 661 - Correct inflate() comments with regard to automatic header detection 662 - Remove deprecation comment on Z_PARTIAL_FLUSH (it stays) 663 - Put new version of gzlog (2.0) in examples with interruption recovery 664 - Add puff compile option to permit invalid distance-too-far streams 665 - Add puff TEST command options, ability to read piped input 666 - Prototype the *64 functions in zlib.h when _FILE_OFFSET_BITS == 64, but 667 _LARGEFILE64_SOURCE not defined 668 - Fix Z_FULL_FLUSH to truly erase the past by resetting s->strstart 669 - Fix deflateSetDictionary() to use all 32K for output consistency 670 - Remove extraneous #define MIN_LOOKAHEAD in deflate.c (in deflate.h) 671 - Clear bytes after deflate lookahead to avoid use of uninitialized data 672 - Change a limit in inftrees.c to be more transparent to Coverity Prevent 673 - Update win32/zlib.def with exported symbols from zlib.h 674 - Correct spelling errors in zlib.h [Willem, Sobrado] 675 - Allow Z_BLOCK for deflate() to force a new block 676 - Allow negative bits in inflatePrime() to delete existing bit buffer 677 - Add Z_TREES flush option to inflate() to return at end of trees 678 - Add inflateMark() to return current state information for random access 679 - Add Makefile for NintendoDS to contrib [Costa] 680 - Add -w in configure compile tests to avoid spurious warnings [Beucler] 681 - Fix typos in zlib.h comments for deflateSetDictionary() 682 - Fix EOF detection in transparent gzread() [Maier] 683 684 Changes in 1.2.3.3 (2 October 2006) 685 - Make --shared the default for configure, add a --static option 686 - Add compile option to permit invalid distance-too-far streams 687 - Add inflateUndermine() function which is required to enable above 688 - Remove use of "this" variable name for C++ compatibility [Marquess] 689 - Add testing of shared library in make test, if shared library built 690 - Use ftello() and fseeko() if available instead of ftell() and fseek() 691 - Provide two versions of all functions that use the z_off_t type for 692 binary compatibility -- a normal version and a 64-bit offset version, 693 per the Large File Support Extension when _LARGEFILE64_SOURCE is 694 defined; use the 64-bit versions by default when _FILE_OFFSET_BITS 695 is defined to be 64 696 - Add a --uname= option to configure to perhaps help with cross-compiling 697 698 Changes in 1.2.3.2 (3 September 2006) 699 - Turn off silly Borland warnings [Hay] 700 - Use off64_t and define _LARGEFILE64_SOURCE when present 701 - Fix missing dependency on inffixed.h in Makefile.in 702 - Rig configure --shared to build both shared and static [Teredesai, Truta] 703 - Remove zconf.in.h and instead create a new zlibdefs.h file 704 - Fix contrib/minizip/unzip.c non-encrypted after encrypted [Vollant] 705 - Add treebuild.xml (see http://treebuild.metux.de/) [Weigelt] 706 707 Changes in 1.2.3.1 (16 August 2006) 708 - Add watcom directory with OpenWatcom make files [Daniel] 709 - Remove #undef of FAR in zconf.in.h for MVS [Fedtke] 710 - Update make_vms.com [Zinser] 711 - Use -fPIC for shared build in configure [Teredesai, Nicholson] 712 - Use only major version number for libz.so on IRIX and OSF1 [Reinholdtsen] 713 - Use fdopen() (not _fdopen()) for Interix in zutil.h [Bck] 714 - Add some FAQ entries about the contrib directory 715 - Update the MVS question in the FAQ 716 - Avoid extraneous reads after EOF in gzio.c [Brown] 717 - Correct spelling of "successfully" in gzio.c [Randers-Pehrson] 718 - Add comments to zlib.h about gzerror() usage [Brown] 719 - Set extra flags in gzip header in gzopen() like deflate() does 720 - Make configure options more compatible with double-dash conventions 721 [Weigelt] 722 - Clean up compilation under Solaris SunStudio cc [Rowe, Reinholdtsen] 723 - Fix uninstall target in Makefile.in [Truta] 724 - Add pkgconfig support [Weigelt] 725 - Use $(DESTDIR) macro in Makefile.in [Reinholdtsen, Weigelt] 726 - Replace set_data_type() with a more accurate detect_data_type() in 727 trees.c, according to the txtvsbin.txt document [Truta] 728 - Swap the order of #include <stdio.h> and #include "zlib.h" in 729 gzio.c, example.c and minigzip.c [Truta] 730 - Shut up annoying VS2005 warnings about standard C deprecation [Rowe, 731 Truta] (where?) 732 - Fix target "clean" from win32/Makefile.bor [Truta] 733 - Create .pdb and .manifest files in win32/makefile.msc [Ziegler, Rowe] 734 - Update zlib www home address in win32/DLL_FAQ.txt [Truta] 735 - Update contrib/masmx86/inffas32.asm for VS2005 [Vollant, Van Wassenhove] 736 - Enable browse info in the "Debug" and "ASM Debug" configurations in 737 the Visual C++ 6 project, and set (non-ASM) "Debug" as default [Truta] 738 - Add pkgconfig support [Weigelt] 739 - Add ZLIB_VER_MAJOR, ZLIB_VER_MINOR and ZLIB_VER_REVISION in zlib.h, 740 for use in win32/zlib1.rc [Polushin, Rowe, Truta] 741 - Add a document that explains the new text detection scheme to 742 doc/txtvsbin.txt [Truta] 743 - Add rfc1950.txt, rfc1951.txt and rfc1952.txt to doc/ [Truta] 744 - Move algorithm.txt into doc/ [Truta] 745 - Synchronize FAQ with website 746 - Fix compressBound(), was low for some pathological cases [Fearnley] 747 - Take into account wrapper variations in deflateBound() 748 - Set examples/zpipe.c input and output to binary mode for Windows 749 - Update examples/zlib_how.html with new zpipe.c (also web site) 750 - Fix some warnings in examples/gzlog.c and examples/zran.c (it seems 751 that gcc became pickier in 4.0) 752 - Add zlib.map for Linux: "All symbols from zlib-1.1.4 remain 753 un-versioned, the patch adds versioning only for symbols introduced in 754 zlib-1.2.0 or later. It also declares as local those symbols which are 755 not designed to be exported." [Levin] 756 - Update Z_PREFIX list in zconf.in.h, add --zprefix option to configure 757 - Do not initialize global static by default in trees.c, add a response 758 NO_INIT_GLOBAL_POINTERS to initialize them if needed [Marquess] 759 - Don't use strerror() in gzio.c under WinCE [Yakimov] 760 - Don't use errno.h in zutil.h under WinCE [Yakimov] 761 - Move arguments for AR to its usage to allow replacing ar [Marot] 762 - Add HAVE_VISIBILITY_PRAGMA in zconf.in.h for Mozilla [Randers-Pehrson] 763 - Improve inflateInit() and inflateInit2() documentation 764 - Fix structure size comment in inflate.h 765 - Change configure help option from --h* to --help [Santos] 766 767 Changes in 1.2.3 (18 July 2005) 768 - Apply security vulnerability fixes to contrib/infback9 as well 769 - Clean up some text files (carriage returns, trailing space) 770 - Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant] 771 772 Changes in 1.2.2.4 (11 July 2005) 773 - Add inflatePrime() function for starting inflation at bit boundary 774 - Avoid some Visual C warnings in deflate.c 775 - Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit 776 compile 777 - Fix some spelling errors in comments [Betts] 778 - Correct inflateInit2() error return documentation in zlib.h 779 - Add zran.c example of compressed data random access to examples 780 directory, shows use of inflatePrime() 781 - Fix cast for assignments to strm->state in inflate.c and infback.c 782 - Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer] 783 - Move declarations of gf2 functions to right place in crc32.c [Oberhumer] 784 - Add cast in trees.c t avoid a warning [Oberhumer] 785 - Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer] 786 - Update make_vms.com [Zinser] 787 - Initialize state->write in inflateReset() since copied in inflate_fast() 788 - Be more strict on incomplete code sets in inflate_table() and increase 789 ENOUGH and MAXD -- this repairs a possible security vulnerability for 790 invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for 791 discovering the vulnerability and providing test cases 792 - Add ia64 support to configure for HP-UX [Smith] 793 - Add error return to gzread() for format or i/o error [Levin] 794 - Use malloc.h for OS/2 [Necasek] 795 796 Changes in 1.2.2.3 (27 May 2005) 797 - Replace 1U constants in inflate.c and inftrees.c for 64-bit compile 798 - Typecast fread() return values in gzio.c [Vollant] 799 - Remove trailing space in minigzip.c outmode (VC++ can't deal with it) 800 - Fix crc check bug in gzread() after gzungetc() [Heiner] 801 - Add the deflateTune() function to adjust internal compression parameters 802 - Add a fast gzip decompressor, gun.c, to examples (use of inflateBack) 803 - Remove an incorrect assertion in examples/zpipe.c 804 - Add C++ wrapper in infback9.h [Donais] 805 - Fix bug in inflateCopy() when decoding fixed codes 806 - Note in zlib.h how much deflateSetDictionary() actually uses 807 - Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used) 808 - Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer] 809 - Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer] 810 - Add gzdirect() function to indicate transparent reads 811 - Update contrib/minizip [Vollant] 812 - Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer] 813 - Add casts in crc32.c to avoid warnings [Oberhumer] 814 - Add contrib/masmx64 [Vollant] 815 - Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant] 816 817 Changes in 1.2.2.2 (30 December 2004) 818 - Replace structure assignments in deflate.c and inflate.c with zmemcpy to 819 avoid implicit memcpy calls (portability for no-library compilation) 820 - Increase sprintf() buffer size in gzdopen() to allow for large numbers 821 - Add INFLATE_STRICT to check distances against zlib header 822 - Improve WinCE errno handling and comments [Chang] 823 - Remove comment about no gzip header processing in FAQ 824 - Add Z_FIXED strategy option to deflateInit2() to force fixed trees 825 - Add updated make_vms.com [Coghlan], update README 826 - Create a new "examples" directory, move gzappend.c there, add zpipe.c, 827 fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html 828 - Add FAQ entry and comments in deflate.c on uninitialized memory access 829 - Add Solaris 9 make options in configure [Gilbert] 830 - Allow strerror() usage in gzio.c for STDC 831 - Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer] 832 - Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant] 833 - Use z_off_t for adler32_combine() and crc32_combine() lengths 834 - Make adler32() much faster for small len 835 - Use OS_CODE in deflate() default gzip header 836 837 Changes in 1.2.2.1 (31 October 2004) 838 - Allow inflateSetDictionary() call for raw inflate 839 - Fix inflate header crc check bug for file names and comments 840 - Add deflateSetHeader() and gz_header structure for custom gzip headers 841 - Add inflateGetheader() to retrieve gzip headers 842 - Add crc32_combine() and adler32_combine() functions 843 - Add alloc_func, free_func, in_func, out_func to Z_PREFIX list 844 - Use zstreamp consistently in zlib.h (inflate_back functions) 845 - Remove GUNZIP condition from definition of inflate_mode in inflate.h 846 and in contrib/inflate86/inffast.S [Truta, Anderson] 847 - Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson] 848 - Update projects/README.projects and projects/visualc6 [Truta] 849 - Update win32/DLL_FAQ.txt [Truta] 850 - Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta] 851 - Deprecate Z_ASCII; use Z_TEXT instead [Truta] 852 - Use a new algorithm for setting strm->data_type in trees.c [Truta] 853 - Do not define an exit() prototype in zutil.c unless DEBUG defined 854 - Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta] 855 - Add comment in zlib.h for Z_NO_FLUSH parameter to deflate() 856 - Fix Darwin build version identification [Peterson] 857 858 Changes in 1.2.2 (3 October 2004) 859 - Update zlib.h comments on gzip in-memory processing 860 - Set adler to 1 in inflateReset() to support Java test suite [Walles] 861 - Add contrib/dotzlib [Ravn] 862 - Update win32/DLL_FAQ.txt [Truta] 863 - Update contrib/minizip [Vollant] 864 - Move contrib/visual-basic.txt to old/ [Truta] 865 - Fix assembler builds in projects/visualc6/ [Truta] 866 867 Changes in 1.2.1.2 (9 September 2004) 868 - Update INDEX file 869 - Fix trees.c to update strm->data_type (no one ever noticed!) 870 - Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown] 871 - Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE) 872 - Add limited multitasking protection to DYNAMIC_CRC_TABLE 873 - Add NO_vsnprintf for VMS in zutil.h [Mozilla] 874 - Don't declare strerror() under VMS [Mozilla] 875 - Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize 876 - Update contrib/ada [Anisimkov] 877 - Update contrib/minizip [Vollant] 878 - Fix configure to not hardcode directories for Darwin [Peterson] 879 - Fix gzio.c to not return error on empty files [Brown] 880 - Fix indentation; update version in contrib/delphi/ZLib.pas and 881 contrib/pascal/zlibpas.pas [Truta] 882 - Update mkasm.bat in contrib/masmx86 [Truta] 883 - Update contrib/untgz [Truta] 884 - Add projects/README.projects [Truta] 885 - Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta] 886 - Update win32/DLL_FAQ.txt [Truta] 887 - Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta] 888 - Remove an unnecessary assignment to curr in inftrees.c [Truta] 889 - Add OS/2 to exe builds in configure [Poltorak] 890 - Remove err dummy parameter in zlib.h [Kientzle] 891 892 Changes in 1.2.1.1 (9 January 2004) 893 - Update email address in README 894 - Several FAQ updates 895 - Fix a big fat bug in inftrees.c that prevented decoding valid 896 dynamic blocks with only literals and no distance codes -- 897 Thanks to "Hot Emu" for the bug report and sample file 898 - Add a note to puff.c on no distance codes case 899 900 Changes in 1.2.1 (17 November 2003) 901 - Remove a tab in contrib/gzappend/gzappend.c 902 - Update some interfaces in contrib for new zlib functions 903 - Update zlib version number in some contrib entries 904 - Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta] 905 - Support shared libraries on Hurd and KFreeBSD [Brown] 906 - Fix error in NO_DIVIDE option of adler32.c 907 908 Changes in 1.2.0.8 (4 November 2003) 909 - Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas 910 - Add experimental NO_DIVIDE #define in adler32.c 911 - Possibly faster on some processors (let me know if it is) 912 - Correct Z_BLOCK to not return on first inflate call if no wrap 913 - Fix strm->data_type on inflate() return to correctly indicate EOB 914 - Add deflatePrime() function for appending in the middle of a byte 915 - Add contrib/gzappend for an example of appending to a stream 916 - Update win32/DLL_FAQ.txt [Truta] 917 - Delete Turbo C comment in README [Truta] 918 - Improve some indentation in zconf.h [Truta] 919 - Fix infinite loop on bad input in configure script [Church] 920 - Fix gzeof() for concatenated gzip files [Johnson] 921 - Add example to contrib/visual-basic.txt [Michael B.] 922 - Add -p to mkdir's in Makefile.in [vda] 923 - Fix configure to properly detect presence or lack of printf functions 924 - Add AS400 support [Monnerat] 925 - Add a little Cygwin support [Wilson] 926 927 Changes in 1.2.0.7 (21 September 2003) 928 - Correct some debug formats in contrib/infback9 929 - Cast a type in a debug statement in trees.c 930 - Change search and replace delimiter in configure from % to # [Beebe] 931 - Update contrib/untgz to 0.2 with various fixes [Truta] 932 - Add build support for Amiga [Nikl] 933 - Remove some directories in old that have been updated to 1.2 934 - Add dylib building for Mac OS X in configure and Makefile.in 935 - Remove old distribution stuff from Makefile 936 - Update README to point to DLL_FAQ.txt, and add comment on Mac OS X 937 - Update links in README 938 939 Changes in 1.2.0.6 (13 September 2003) 940 - Minor FAQ updates 941 - Update contrib/minizip to 1.00 [Vollant] 942 - Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta] 943 - Update POSTINC comment for 68060 [Nikl] 944 - Add contrib/infback9 with deflate64 decoding (unsupported) 945 - For MVS define NO_vsnprintf and undefine FAR [van Burik] 946 - Add pragma for fdopen on MVS [van Burik] 947 948 Changes in 1.2.0.5 (8 September 2003) 949 - Add OF to inflateBackEnd() declaration in zlib.h 950 - Remember start when using gzdopen in the middle of a file 951 - Use internal off_t counters in gz* functions to properly handle seeks 952 - Perform more rigorous check for distance-too-far in inffast.c 953 - Add Z_BLOCK flush option to return from inflate at block boundary 954 - Set strm->data_type on return from inflate 955 - Indicate bits unused, if at block boundary, and if in last block 956 - Replace size_t with ptrdiff_t in crc32.c, and check for correct size 957 - Add condition so old NO_DEFLATE define still works for compatibility 958 - FAQ update regarding the Windows DLL [Truta] 959 - INDEX update: add qnx entry, remove aix entry [Truta] 960 - Install zlib.3 into mandir [Wilson] 961 - Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta] 962 - Adapt the zlib interface to the new DLL convention guidelines [Truta] 963 - Introduce ZLIB_WINAPI macro to allow the export of functions using 964 the WINAPI calling convention, for Visual Basic [Vollant, Truta] 965 - Update msdos and win32 scripts and makefiles [Truta] 966 - Export symbols by name, not by ordinal, in win32/zlib.def [Truta] 967 - Add contrib/ada [Anisimkov] 968 - Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta] 969 - Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant] 970 - Add contrib/masm686 [Truta] 971 - Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm 972 [Truta, Vollant] 973 - Update contrib/delphi; rename to contrib/pascal; add example [Truta] 974 - Remove contrib/delphi2; add a new contrib/delphi [Truta] 975 - Avoid inclusion of the nonstandard <memory.h> in contrib/iostream, 976 and fix some method prototypes [Truta] 977 - Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip 978 [Truta] 979 - Avoid the use of backslash (\) in contrib/minizip [Vollant] 980 - Fix file time handling in contrib/untgz; update makefiles [Truta] 981 - Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines 982 [Vollant] 983 - Remove contrib/vstudio/vc15_16 [Vollant] 984 - Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta] 985 - Update README.contrib [Truta] 986 - Invert the assignment order of match_head and s->prev[...] in 987 INSERT_STRING [Truta] 988 - Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings 989 [Truta] 990 - Compare function pointers with 0, not with NULL or Z_NULL [Truta] 991 - Fix prototype of syncsearch in inflate.c [Truta] 992 - Introduce ASMINF macro to be enabled when using an ASM implementation 993 of inflate_fast [Truta] 994 - Change NO_DEFLATE to NO_GZCOMPRESS [Truta] 995 - Modify test_gzio in example.c to take a single file name as a 996 parameter [Truta] 997 - Exit the example.c program if gzopen fails [Truta] 998 - Add type casts around strlen in example.c [Truta] 999 - Remove casting to sizeof in minigzip.c; give a proper type 1000 to the variable compared with SUFFIX_LEN [Truta] 1001 - Update definitions of STDC and STDC99 in zconf.h [Truta] 1002 - Synchronize zconf.h with the new Windows DLL interface [Truta] 1003 - Use SYS16BIT instead of __32BIT__ to distinguish between 1004 16- and 32-bit platforms [Truta] 1005 - Use far memory allocators in small 16-bit memory models for 1006 Turbo C [Truta] 1007 - Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in 1008 zlibCompileFlags [Truta] 1009 - Cygwin has vsnprintf [Wilson] 1010 - In Windows16, OS_CODE is 0, as in MSDOS [Truta] 1011 - In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson] 1012 1013 Changes in 1.2.0.4 (10 August 2003) 1014 - Minor FAQ updates 1015 - Be more strict when checking inflateInit2's windowBits parameter 1016 - Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well 1017 - Add gzip wrapper option to deflateInit2 using windowBits 1018 - Add updated QNX rule in configure and qnx directory [Bonnefoy] 1019 - Make inflate distance-too-far checks more rigorous 1020 - Clean up FAR usage in inflate 1021 - Add casting to sizeof() in gzio.c and minigzip.c 1022 1023 Changes in 1.2.0.3 (19 July 2003) 1024 - Fix silly error in gzungetc() implementation [Vollant] 1025 - Update contrib/minizip and contrib/vstudio [Vollant] 1026 - Fix printf format in example.c 1027 - Correct cdecl support in zconf.in.h [Anisimkov] 1028 - Minor FAQ updates 1029 1030 Changes in 1.2.0.2 (13 July 2003) 1031 - Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons 1032 - Attempt to avoid warnings in crc32.c for pointer-int conversion 1033 - Add AIX to configure, remove aix directory [Bakker] 1034 - Add some casts to minigzip.c 1035 - Improve checking after insecure sprintf() or vsprintf() calls 1036 - Remove #elif's from crc32.c 1037 - Change leave label to inf_leave in inflate.c and infback.c to avoid 1038 library conflicts 1039 - Remove inflate gzip decoding by default--only enable gzip decoding by 1040 special request for stricter backward compatibility 1041 - Add zlibCompileFlags() function to return compilation information 1042 - More typecasting in deflate.c to avoid warnings 1043 - Remove leading underscore from _Capital #defines [Truta] 1044 - Fix configure to link shared library when testing 1045 - Add some Windows CE target adjustments [Mai] 1046 - Remove #define ZLIB_DLL in zconf.h [Vollant] 1047 - Add zlib.3 [Rodgers] 1048 - Update RFC URL in deflate.c and algorithm.txt [Mai] 1049 - Add zlib_dll_FAQ.txt to contrib [Truta] 1050 - Add UL to some constants [Truta] 1051 - Update minizip and vstudio [Vollant] 1052 - Remove vestigial NEED_DUMMY_RETURN from zconf.in.h 1053 - Expand use of NO_DUMMY_DECL to avoid all dummy structures 1054 - Added iostream3 to contrib [Schwardt] 1055 - Replace rewind() with fseek() for WinCE [Truta] 1056 - Improve setting of zlib format compression level flags 1057 - Report 0 for huffman and rle strategies and for level == 0 or 1 1058 - Report 2 only for level == 6 1059 - Only deal with 64K limit when necessary at compile time [Truta] 1060 - Allow TOO_FAR check to be turned off at compile time [Truta] 1061 - Add gzclearerr() function [Souza] 1062 - Add gzungetc() function 1063 1064 Changes in 1.2.0.1 (17 March 2003) 1065 - Add Z_RLE strategy for run-length encoding [Truta] 1066 - When Z_RLE requested, restrict matches to distance one 1067 - Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE 1068 - Correct FASTEST compilation to allow level == 0 1069 - Clean up what gets compiled for FASTEST 1070 - Incorporate changes to zconf.in.h [Vollant] 1071 - Refine detection of Turbo C need for dummy returns 1072 - Refine ZLIB_DLL compilation 1073 - Include additional header file on VMS for off_t typedef 1074 - Try to use _vsnprintf where it supplants vsprintf [Vollant] 1075 - Add some casts in inffast.c 1076 - Enhance comments in zlib.h on what happens if gzprintf() tries to 1077 write more than 4095 bytes before compression 1078 - Remove unused state from inflateBackEnd() 1079 - Remove exit(0) from minigzip.c, example.c 1080 - Get rid of all those darn tabs 1081 - Add "check" target to Makefile.in that does the same thing as "test" 1082 - Add "mostlyclean" and "maintainer-clean" targets to Makefile.in 1083 - Update contrib/inflate86 [Anderson] 1084 - Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant] 1085 - Add msdos and win32 directories with makefiles [Truta] 1086 - More additions and improvements to the FAQ 1087 1088 Changes in 1.2.0 (9 March 2003) 1089 - New and improved inflate code 1090 - About 20% faster 1091 - Does not allocate 32K window unless and until needed 1092 - Automatically detects and decompresses gzip streams 1093 - Raw inflate no longer needs an extra dummy byte at end 1094 - Added inflateBack functions using a callback interface--even faster 1095 than inflate, useful for file utilities (gzip, zip) 1096 - Added inflateCopy() function to record state for random access on 1097 externally generated deflate streams (e.g. in gzip files) 1098 - More readable code (I hope) 1099 - New and improved crc32() 1100 - About 50% faster, thanks to suggestions from Rodney Brown 1101 - Add deflateBound() and compressBound() functions 1102 - Fix memory leak in deflateInit2() 1103 - Permit setting dictionary for raw deflate (for parallel deflate) 1104 - Fix const declaration for gzwrite() 1105 - Check for some malloc() failures in gzio.c 1106 - Fix bug in gzopen() on single-byte file 0x1f 1107 - Fix bug in gzread() on concatenated file with 0x1f at end of buffer 1108 and next buffer doesn't start with 0x8b 1109 - Fix uncompress() to return Z_DATA_ERROR on truncated input 1110 - Free memory at end of example.c 1111 - Remove MAX #define in trees.c (conflicted with some libraries) 1112 - Fix static const's in deflate.c, gzio.c, and zutil.[ch] 1113 - Declare malloc() and free() in gzio.c if STDC not defined 1114 - Use malloc() instead of calloc() in zutil.c if int big enough 1115 - Define STDC for AIX 1116 - Add aix/ with approach for compiling shared library on AIX 1117 - Add HP-UX support for shared libraries in configure 1118 - Add OpenUNIX support for shared libraries in configure 1119 - Use $cc instead of gcc to build shared library 1120 - Make prefix directory if needed when installing 1121 - Correct Macintosh avoidance of typedef Byte in zconf.h 1122 - Correct Turbo C memory allocation when under Linux 1123 - Use libz.a instead of -lz in Makefile (assure use of compiled library) 1124 - Update configure to check for snprintf or vsnprintf functions and their 1125 return value, warn during make if using an insecure function 1126 - Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that 1127 is lost when library is used--resolution is to build new zconf.h 1128 - Documentation improvements (in zlib.h): 1129 - Document raw deflate and inflate 1130 - Update RFCs URL 1131 - Point out that zlib and gzip formats are different 1132 - Note that Z_BUF_ERROR is not fatal 1133 - Document string limit for gzprintf() and possible buffer overflow 1134 - Note requirement on avail_out when flushing 1135 - Note permitted values of flush parameter of inflate() 1136 - Add some FAQs (and even answers) to the FAQ 1137 - Add contrib/inflate86/ for x86 faster inflate 1138 - Add contrib/blast/ for PKWare Data Compression Library decompression 1139 - Add contrib/puff/ simple inflate for deflate format description 1140 1141 Changes in 1.1.4 (11 March 2002) 1142 - ZFREE was repeated on same allocation on some error conditions 1143 This creates a security problem described in 1144 http://www.zlib.org/advisory-2002-03-11.txt 1145 - Returned incorrect error (Z_MEM_ERROR) on some invalid data 1146 - Avoid accesses before window for invalid distances with inflate window 1147 less than 32K 1148 - force windowBits > 8 to avoid a bug in the encoder for a window size 1149 of 256 bytes. (A complete fix will be available in 1.1.5) 1150 1151 Changes in 1.1.3 (9 July 1998) 1152 - fix "an inflate input buffer bug that shows up on rare but persistent 1153 occasions" (Mark) 1154 - fix gzread and gztell for concatenated .gz files (Didier Le Botlan) 1155 - fix gzseek(..., SEEK_SET) in write mode 1156 - fix crc check after a gzeek (Frank Faubert) 1157 - fix miniunzip when the last entry in a zip file is itself a zip file 1158 (J Lillge) 1159 - add contrib/asm586 and contrib/asm686 (Brian Raiter) 1160 See http://www.muppetlabs.com/~breadbox/software/assembly.html 1161 - add support for Delphi 3 in contrib/delphi (Bob Dellaca) 1162 - add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti) 1163 - do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren) 1164 - use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks) 1165 - added a FAQ file 1166 1167 - Support gzdopen on Mac with Metrowerks (Jason Linhart) 1168 - Do not redefine Byte on Mac (Brad Pettit & Jason Linhart) 1169 - define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young) 1170 - avoid some warnings with Borland C (Tom Tanner) 1171 - fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant) 1172 - emulate utime() for WIN32 in contrib/untgz (Gilles Vollant) 1173 - allow several arguments to configure (Tim Mooney, Frodo Looijaard) 1174 - use libdir and includedir in Makefile.in (Tim Mooney) 1175 - support shared libraries on OSF1 V4 (Tim Mooney) 1176 - remove so_locations in "make clean" (Tim Mooney) 1177 - fix maketree.c compilation error (Glenn, Mark) 1178 - Python interface to zlib now in Python 1.5 (Jeremy Hylton) 1179 - new Makefile.riscos (Rich Walker) 1180 - initialize static descriptors in trees.c for embedded targets (Nick Smith) 1181 - use "foo-gz" in example.c for RISCOS and VMS (Nick Smith) 1182 - add the OS/2 files in Makefile.in too (Andrew Zabolotny) 1183 - fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane) 1184 - fix maketree.c to allow clean compilation of inffixed.h (Mark) 1185 - fix parameter check in deflateCopy (Gunther Nikl) 1186 - cleanup trees.c, use compressed_len only in debug mode (Christian Spieler) 1187 - Many portability patches by Christian Spieler: 1188 . zutil.c, zutil.h: added "const" for zmem* 1189 . Make_vms.com: fixed some typos 1190 . Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists 1191 . msdos/Makefile.msc: remove "default rtl link library" info from obj files 1192 . msdos/Makefile.*: use model-dependent name for the built zlib library 1193 . msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc: 1194 new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT) 1195 - use define instead of typedef for Bytef also for MSC small/medium (Tom Lane) 1196 - replace __far with _far for better portability (Christian Spieler, Tom Lane) 1197 - fix test for errno.h in configure (Tim Newsham) 1198 1199 Changes in 1.1.2 (19 March 98) 1200 - added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant) 1201 See http://www.winimage.com/zLibDll/unzip.html 1202 - preinitialize the inflate tables for fixed codes, to make the code 1203 completely thread safe (Mark) 1204 - some simplifications and slight speed-up to the inflate code (Mark) 1205 - fix gzeof on non-compressed files (Allan Schrum) 1206 - add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs) 1207 - use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn) 1208 - added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny) 1209 - add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori) 1210 - do not wrap extern "C" around system includes (Tom Lane) 1211 - mention zlib binding for TCL in README (Andreas Kupries) 1212 - added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert) 1213 - allow "make install prefix=..." even after configure (Glenn Randers-Pehrson) 1214 - allow "configure --prefix $HOME" (Tim Mooney) 1215 - remove warnings in example.c and gzio.c (Glenn Randers-Pehrson) 1216 - move Makefile.sas to amiga/Makefile.sas 1217 1218 Changes in 1.1.1 (27 Feb 98) 1219 - fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson) 1220 - remove block truncation heuristic which had very marginal effect for zlib 1221 (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the 1222 compression ratio on some files. This also allows inlining _tr_tally for 1223 matches in deflate_slow 1224 - added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) 1225 1226 Changes in 1.1.0 (24 Feb 98) 1227 - do not return STREAM_END prematurely in inflate (John Bowler) 1228 - revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler) 1229 - compile with -DFASTEST to get compression code optimized for speed only 1230 - in minigzip, try mmap'ing the input file first (Miguel Albrecht) 1231 - increase size of I/O buffers in minigzip.c and gzio.c (not a big gain 1232 on Sun but significant on HP) 1233 1234 - add a pointer to experimental unzip library in README (Gilles Vollant) 1235 - initialize variable gcc in configure (Chris Herborth) 1236 1237 Changes in 1.0.9 (17 Feb 1998) 1238 - added gzputs and gzgets functions 1239 - do not clear eof flag in gzseek (Mark Diekhans) 1240 - fix gzseek for files in transparent mode (Mark Diekhans) 1241 - do not assume that vsprintf returns the number of bytes written (Jens Krinke) 1242 - replace EXPORT with ZEXPORT to avoid conflict with other programs 1243 - added compress2 in zconf.h, zlib.def, zlib.dnt 1244 - new asm code from Gilles Vollant in contrib/asm386 1245 - simplify the inflate code (Mark): 1246 . Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new() 1247 . ZALLOC the length list in inflate_trees_fixed() instead of using stack 1248 . ZALLOC the value area for huft_build() instead of using stack 1249 . Simplify Z_FINISH check in inflate() 1250 1251 - Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 1252 - in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) 1253 - in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with 1254 the declaration of FAR (Gilles Vollant) 1255 - install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) 1256 - read_buf buf parameter of type Bytef* instead of charf* 1257 - zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) 1258 - do not redeclare unlink in minigzip.c for WIN32 (John Bowler) 1259 - fix check for presence of directories in "make install" (Ian Willis) 1260 1261 Changes in 1.0.8 (27 Jan 1998) 1262 - fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant) 1263 - fix gzgetc and gzputc for big endian systems (Markus Oberhumer) 1264 - added compress2() to allow setting the compression level 1265 - include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) 1266 - use constant arrays for the static trees in trees.c instead of computing 1267 them at run time (thanks to Ken Raeburn for this suggestion). To create 1268 trees.h, compile with GEN_TREES_H and run "make test" 1269 - check return code of example in "make test" and display result 1270 - pass minigzip command line options to file_compress 1271 - simplifying code of inflateSync to avoid gcc 2.8 bug 1272 1273 - support CC="gcc -Wall" in configure -s (QingLong) 1274 - avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn) 1275 - fix test for shared library support to avoid compiler warnings 1276 - zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant) 1277 - check for TARGET_OS_MAC in addition to MACOS (Brad Pettit) 1278 - do not use fdopen for Metrowerks on Mac (Brad Pettit)) 1279 - add checks for gzputc and gzputc in example.c 1280 - avoid warnings in gzio.c and deflate.c (Andreas Kleinert) 1281 - use const for the CRC table (Ken Raeburn) 1282 - fixed "make uninstall" for shared libraries 1283 - use Tracev instead of Trace in infblock.c 1284 - in example.c use correct compressed length for test_sync 1285 - suppress +vnocompatwarnings in configure for HPUX (not always supported) 1286 1287 Changes in 1.0.7 (20 Jan 1998) 1288 - fix gzseek which was broken in write mode 1289 - return error for gzseek to negative absolute position 1290 - fix configure for Linux (Chun-Chung Chen) 1291 - increase stack space for MSC (Tim Wegner) 1292 - get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant) 1293 - define EXPORTVA for gzprintf (Gilles Vollant) 1294 - added man page zlib.3 (Rick Rodgers) 1295 - for contrib/untgz, fix makedir() and improve Makefile 1296 1297 - check gzseek in write mode in example.c 1298 - allocate extra buffer for seeks only if gzseek is actually called 1299 - avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant) 1300 - add inflateSyncPoint in zconf.h 1301 - fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def 1302 1303 Changes in 1.0.6 (19 Jan 1998) 1304 - add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and 1305 gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) 1306 - Fix a deflate bug occurring only with compression level 0 (thanks to 1307 Andy Buckler for finding this one) 1308 - In minigzip, pass transparently also the first byte for .Z files 1309 - return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() 1310 - check Z_FINISH in inflate (thanks to Marc Schluper) 1311 - Implement deflateCopy (thanks to Adam Costello) 1312 - make static libraries by default in configure, add --shared option 1313 - move MSDOS or Windows specific files to directory msdos 1314 - suppress the notion of partial flush to simplify the interface 1315 (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) 1316 - suppress history buffer provided by application to simplify the interface 1317 (this feature was not implemented anyway in 1.0.4) 1318 - next_in and avail_in must be initialized before calling inflateInit or 1319 inflateInit2 1320 - add EXPORT in all exported functions (for Windows DLL) 1321 - added Makefile.nt (thanks to Stephen Williams) 1322 - added the unsupported "contrib" directory: 1323 contrib/asm386/ by Gilles Vollant <info (a] winimage.com> 1324 386 asm code replacing longest_match() 1325 contrib/iostream/ by Kevin Ruland <kevin (a] rodin.wustl.edu> 1326 A C++ I/O streams interface to the zlib gz* functions 1327 contrib/iostream2/ by Tyge Lvset <Tyge.Lovset (a] cmr.no> 1328 Another C++ I/O streams interface 1329 contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag (a] tid.es> 1330 A very simple tar.gz file extractor using zlib 1331 contrib/visual-basic.txt by Carlos Rios <c_rios (a] sonda.cl> 1332 How to use compress(), uncompress() and the gz* functions from VB 1333 - pass params -f (filtered data), -h (huffman only), -1 to -9 (compression 1334 level) in minigzip (thanks to Tom Lane) 1335 1336 - use const for rommable constants in deflate 1337 - added test for gzseek and gztell in example.c 1338 - add undocumented function inflateSyncPoint() (hack for Paul Mackerras) 1339 - add undocumented function zError to convert error code to string 1340 (for Tim Smithers) 1341 - Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code 1342 - Use default memcpy for Symantec MSDOS compiler 1343 - Add EXPORT keyword for check_func (needed for Windows DLL) 1344 - add current directory to LD_LIBRARY_PATH for "make test" 1345 - create also a link for libz.so.1 1346 - added support for FUJITSU UXP/DS (thanks to Toshiaki Nomura) 1347 - use $(SHAREDLIB) instead of libz.so in Makefile.in (for HPUX) 1348 - added -soname for Linux in configure (Chun-Chung Chen, 1349 - assign numbers to the exported functions in zlib.def (for Windows DLL) 1350 - add advice in zlib.h for best usage of deflateSetDictionary 1351 - work around compiler bug on Atari (cast Z_NULL in call of s->checkfn) 1352 - allow compilation with ANSI keywords only enabled for TurboC in large model 1353 - avoid "versionString"[0] (Borland bug) 1354 - add NEED_DUMMY_RETURN for Borland 1355 - use variable z_verbose for tracing in debug mode (L. Peter Deutsch) 1356 - allow compilation with CC 1357 - defined STDC for OS/2 (David Charlap) 1358 - limit external names to 8 chars for MVS (Thomas Lund) 1359 - in minigzip.c, use static buffers only for 16-bit systems 1360 - fix suffix check for "minigzip -d foo.gz" 1361 - do not return an error for the 2nd of two consecutive gzflush() (Felix Lee) 1362 - use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) 1363 - added makelcc.bat for lcc-win32 (Tom St Denis) 1364 - in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) 1365 - Avoid expanded Id. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion 1366 - check for unistd.h in configure (for off_t) 1367 - remove useless check parameter in inflate_blocks_free 1368 - avoid useless assignment of s->check to itself in inflate_blocks_new 1369 - do not flush twice in gzclose (thanks to Ken Raeburn) 1370 - rename FOPEN as F_OPEN to avoid clash with /usr/include/sys/file.h 1371 - use NO_ERRNO_H instead of enumeration of operating systems with errno.h 1372 - work around buggy fclose on pipes for HP/UX 1373 - support zlib DLL with BORLAND C++ 5.0 (thanks to Glenn Randers-Pehrson) 1374 - fix configure if CC is already equal to gcc 1375 1376 Changes in 1.0.5 (3 Jan 98) 1377 - Fix inflate to terminate gracefully when fed corrupted or invalid data 1378 - Use const for rommable constants in inflate 1379 - Eliminate memory leaks on error conditions in inflate 1380 - Removed some vestigial code in inflate 1381 - Update web address in README 1382 1383 Changes in 1.0.4 (24 Jul 96) 1384 - In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF 1385 bit, so the decompressor could decompress all the correct data but went 1386 on to attempt decompressing extra garbage data. This affected minigzip too 1387 - zlibVersion and gzerror return const char* (needed for DLL) 1388 - port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) 1389 - use z_error only for DEBUG (avoid problem with DLLs) 1390 1391 Changes in 1.0.3 (2 Jul 96) 1392 - use z_streamp instead of z_stream *, which is now a far pointer in MSDOS 1393 small and medium models; this makes the library incompatible with previous 1394 versions for these models. (No effect in large model or on other systems.) 1395 - return OK instead of BUF_ERROR if previous deflate call returned with 1396 avail_out as zero but there is nothing to do 1397 - added memcmp for non STDC compilers 1398 - define NO_DUMMY_DECL for more Mac compilers (.h files merged incorrectly) 1399 - define __32BIT__ if __386__ or i386 is defined (pb. with Watcom and SCO) 1400 - better check for 16-bit mode MSC (avoids problem with Symantec) 1401 1402 Changes in 1.0.2 (23 May 96) 1403 - added Windows DLL support 1404 - added a function zlibVersion (for the DLL support) 1405 - fixed declarations using Bytef in infutil.c (pb with MSDOS medium model) 1406 - Bytef is define's instead of typedef'd only for Borland C 1407 - avoid reading uninitialized memory in example.c 1408 - mention in README that the zlib format is now RFC1950 1409 - updated Makefile.dj2 1410 - added algorithm.doc 1411 1412 Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion] 1413 - fix array overlay in deflate.c which sometimes caused bad compressed data 1414 - fix inflate bug with empty stored block 1415 - fix MSDOS medium model which was broken in 0.99 1416 - fix deflateParams() which could generate bad compressed data 1417 - Bytef is define'd instead of typedef'ed (work around Borland bug) 1418 - added an INDEX file 1419 - new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), 1420 Watcom (Makefile.wat), Amiga SAS/C (Makefile.sas) 1421 - speed up adler32 for modern machines without auto-increment 1422 - added -ansi for IRIX in configure 1423 - static_init_done in trees.c is an int 1424 - define unlink as delete for VMS 1425 - fix configure for QNX 1426 - add configure branch for SCO and HPUX 1427 - avoid many warnings (unused variables, dead assignments, etc...) 1428 - no fdopen for BeOS 1429 - fix the Watcom fix for 32 bit mode (define FAR as empty) 1430 - removed redefinition of Byte for MKWERKS 1431 - work around an MWKERKS bug (incorrect merge of all .h files) 1432 1433 Changes in 0.99 (27 Jan 96) 1434 - allow preset dictionary shared between compressor and decompressor 1435 - allow compression level 0 (no compression) 1436 - add deflateParams in zlib.h: allow dynamic change of compression level 1437 and compression strategy 1438 - test large buffers and deflateParams in example.c 1439 - add optional "configure" to build zlib as a shared library 1440 - suppress Makefile.qnx, use configure instead 1441 - fixed deflate for 64-bit systems (detected on Cray) 1442 - fixed inflate_blocks for 64-bit systems (detected on Alpha) 1443 - declare Z_DEFLATED in zlib.h (possible parameter for deflateInit2) 1444 - always return Z_BUF_ERROR when deflate() has nothing to do 1445 - deflateInit and inflateInit are now macros to allow version checking 1446 - prefix all global functions and types with z_ with -DZ_PREFIX 1447 - make falloc completely reentrant (inftrees.c) 1448 - fixed very unlikely race condition in ct_static_init 1449 - free in reverse order of allocation to help memory manager 1450 - use zlib-1.0/* instead of zlib/* inside the tar.gz 1451 - make zlib warning-free with "gcc -O3 -Wall -Wwrite-strings -Wpointer-arith 1452 -Wconversion -Wstrict-prototypes -Wmissing-prototypes" 1453 - allow gzread on concatenated .gz files 1454 - deflateEnd now returns Z_DATA_ERROR if it was premature 1455 - deflate is finally (?) fully deterministic (no matches beyond end of input) 1456 - Document Z_SYNC_FLUSH 1457 - add uninstall in Makefile 1458 - Check for __cpluplus in zlib.h 1459 - Better test in ct_align for partial flush 1460 - avoid harmless warnings for Borland C++ 1461 - initialize hash_head in deflate.c 1462 - avoid warning on fdopen (gzio.c) for HP cc -Aa 1463 - include stdlib.h for STDC compilers 1464 - include errno.h for Cray 1465 - ignore error if ranlib doesn't exist 1466 - call ranlib twice for NeXTSTEP 1467 - use exec_prefix instead of prefix for libz.a 1468 - renamed ct_* as _tr_* to avoid conflict with applications 1469 - clear z->msg in inflateInit2 before any error return 1470 - initialize opaque in example.c, gzio.c, deflate.c and inflate.c 1471 - fixed typo in zconf.h (_GNUC__ => __GNUC__) 1472 - check for WIN32 in zconf.h and zutil.c (avoid farmalloc in 32-bit mode) 1473 - fix typo in Make_vms.com (f$trnlnm -> f$getsyi) 1474 - in fcalloc, normalize pointer if size > 65520 bytes 1475 - don't use special fcalloc for 32 bit Borland C++ 1476 - use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc. 1477 - use Z_BINARY instead of BINARY 1478 - document that gzclose after gzdopen will close the file 1479 - allow "a" as mode in gzopen 1480 - fix error checking in gzread 1481 - allow skipping .gz extra-field on pipes 1482 - added reference to Perl interface in README 1483 - put the crc table in FAR data (I dislike more and more the medium model :) 1484 - added get_crc_table 1485 - added a dimension to all arrays (Borland C can't count) 1486 - workaround Borland C bug in declaration of inflate_codes_new & inflate_fast 1487 - guard against multiple inclusion of *.h (for precompiled header on Mac) 1488 - Watcom C pretends to be Microsoft C small model even in 32 bit mode 1489 - don't use unsized arrays to avoid silly warnings by Visual C++: 1490 warning C4746: 'inflate_mask' : unsized array treated as '__far' 1491 (what's wrong with far data in far model?) 1492 - define enum out of inflate_blocks_state to allow compilation with C++ 1493 1494 Changes in 0.95 (16 Aug 95) 1495 - fix MSDOS small and medium model (now easier to adapt to any compiler) 1496 - inlined send_bits 1497 - fix the final (:-) bug for deflate with flush (output was correct but 1498 not completely flushed in rare occasions) 1499 - default window size is same for compression and decompression 1500 (it's now sufficient to set MAX_WBITS in zconf.h) 1501 - voidp -> voidpf and voidnp -> voidp (for consistency with other 1502 typedefs and because voidnp was not near in large model) 1503 1504 Changes in 0.94 (13 Aug 95) 1505 - support MSDOS medium model 1506 - fix deflate with flush (could sometimes generate bad output) 1507 - fix deflateReset (zlib header was incorrectly suppressed) 1508 - added support for VMS 1509 - allow a compression level in gzopen() 1510 - gzflush now calls fflush 1511 - For deflate with flush, flush even if no more input is provided 1512 - rename libgz.a as libz.a 1513 - avoid complex expression in infcodes.c triggering Turbo C bug 1514 - work around a problem with gcc on Alpha (in INSERT_STRING) 1515 - don't use inline functions (problem with some gcc versions) 1516 - allow renaming of Byte, uInt, etc... with #define 1517 - avoid warning about (unused) pointer before start of array in deflate.c 1518 - avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c 1519 - avoid reserved word 'new' in trees.c 1520 1521 Changes in 0.93 (25 June 95) 1522 - temporarily disable inline functions 1523 - make deflate deterministic 1524 - give enough lookahead for PARTIAL_FLUSH 1525 - Set binary mode for stdin/stdout in minigzip.c for OS/2 1526 - don't even use signed char in inflate (not portable enough) 1527 - fix inflate memory leak for segmented architectures 1528 1529 Changes in 0.92 (3 May 95) 1530 - don't assume that char is signed (problem on SGI) 1531 - Clear bit buffer when starting a stored block 1532 - no memcpy on Pyramid 1533 - suppressed inftest.c 1534 - optimized fill_window, put longest_match inline for gcc 1535 - optimized inflate on stored blocks 1536 - untabify all sources to simplify patches 1537 1538 Changes in 0.91 (2 May 95) 1539 - Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h 1540 - Document the memory requirements in zconf.h 1541 - added "make install" 1542 - fix sync search logic in inflateSync 1543 - deflate(Z_FULL_FLUSH) now works even if output buffer too short 1544 - after inflateSync, don't scare people with just "lo world" 1545 - added support for DJGPP 1546 1547 Changes in 0.9 (1 May 95) 1548 - don't assume that zalloc clears the allocated memory (the TurboC bug 1549 was Mark's bug after all :) 1550 - let again gzread copy uncompressed data unchanged (was working in 0.71) 1551 - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented 1552 - added a test of inflateSync in example.c 1553 - moved MAX_WBITS to zconf.h because users might want to change that 1554 - document explicitly that zalloc(64K) on MSDOS must return a normalized 1555 pointer (zero offset) 1556 - added Makefiles for Microsoft C, Turbo C, Borland C++ 1557 - faster crc32() 1558 1559 Changes in 0.8 (29 April 95) 1560 - added fast inflate (inffast.c) 1561 - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this 1562 is incompatible with previous versions of zlib which returned Z_OK 1563 - work around a TurboC compiler bug (bad code for b << 0, see infutil.h) 1564 (actually that was not a compiler bug, see 0.81 above) 1565 - gzread no longer reads one extra byte in certain cases 1566 - In gzio destroy(), don't reference a freed structure 1567 - avoid many warnings for MSDOS 1568 - avoid the ERROR symbol which is used by MS Windows 1569 1570 Changes in 0.71 (14 April 95) 1571 - Fixed more MSDOS compilation problems :( There is still a bug with 1572 TurboC large model 1573 1574 Changes in 0.7 (14 April 95) 1575 - Added full inflate support 1576 - Simplified the crc32() interface. The pre- and post-conditioning 1577 (one's complement) is now done inside crc32(). WARNING: this is 1578 incompatible with previous versions; see zlib.h for the new usage 1579 1580 Changes in 0.61 (12 April 95) 1581 - workaround for a bug in TurboC. example and minigzip now work on MSDOS 1582 1583 Changes in 0.6 (11 April 95) 1584 - added minigzip.c 1585 - added gzdopen to reopen a file descriptor as gzFile 1586 - added transparent reading of non-gziped files in gzread 1587 - fixed bug in gzread (don't read crc as data) 1588 - fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose) 1589 - don't allocate big arrays in the stack (for MSDOS) 1590 - fix some MSDOS compilation problems 1591 1592 Changes in 0.5: 1593 - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but 1594 not yet Z_FULL_FLUSH 1595 - support decompression but only in a single step (forced Z_FINISH) 1596 - added opaque object for zalloc and zfree 1597 - added deflateReset and inflateReset 1598 - added a variable zlib_version for consistency checking 1599 - renamed the 'filter' parameter of deflateInit2 as 'strategy' 1600 Added Z_FILTERED and Z_HUFFMAN_ONLY constants 1601 1602 Changes in 0.4: 1603 - avoid "zip" everywhere, use zlib instead of ziplib 1604 - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush 1605 if compression method == 8 1606 - added adler32 and crc32 1607 - renamed deflateOptions as deflateInit2, call one or the other but not both 1608 - added the method parameter for deflateInit2 1609 - added inflateInit2 1610 - simplified considerably deflateInit and inflateInit by not supporting 1611 user-provided history buffer. This is supported only in deflateInit2 1612 and inflateInit2 1613 1614 Changes in 0.3: 1615 - prefix all macro names with Z_ 1616 - use Z_FINISH instead of deflateEnd to finish compression 1617 - added Z_HUFFMAN_ONLY 1618 - added gzerror() 1619
Indexes created Sat Sep 20 22:09:52 GMT 2025