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1 ChangeLog file for zlib
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2
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3 Changes in 0.92 (3 May 95)
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4 - don't assume that char is signed (problem on SGI)
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5 - Clear bit buffer when starting a stored block
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6 - no memcpy on Pyramid
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7 - suppressed inftest.c
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8 - optimized fill_window, put longest_match inline for gcc
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9 - optimized inflate on stored blocks.
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10 - untabify all sources to simplify patches
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11
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12 Changes in 0.91 (2 May 95)
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13 - Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
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14 - Document the memory requirements in zconf.h
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15 - added "make install"
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16 - fix sync search logic in inflateSync
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17 - deflate(Z_FULL_FLUSH) now works even if output buffer too short
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18 - after inflateSync, don't scare people with just "lo world"
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19 - added support for DJGPP
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20
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21 Changes in 0.9 (1 May 95)
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22 - don't assume that zalloc clears the allocated memory (the TurboC bug
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23 was Mark's bug after all :)
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24 - let again gzread copy uncompressed data unchanged (was working in 0.71)
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25 - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented
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26 - added a test of inflateSync in example.c
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27 - moved MAX_WBITS to zconf.h because users might want to change that.
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28 - document explicitly that zalloc(64K) on MSDOS must return a normalized
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29 pointer (zero offset)
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30 - added Makefiles for Microsoft C, Turbo C, Borland C++
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31 - faster crc32()
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32
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33 Changes in 0.8 (29 April 95)
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34 - added fast inflate (inffast.c)
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35 - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this
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36 is incompatible with previous versions of zlib which returned Z_OK.
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37 - work around a TurboC compiler bug (bad code for b << 0, see infutil.h)
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38 (actually that was not a compiler bug, see 0.81 above)
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39 - gzread no longer reads one extra byte in certain cases
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40 - In gzio destroy(), don't reference a freed structure
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41 - avoid many warnings for MSDOS
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42 - avoid the ERROR symbol which is used by MS Windows
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43
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44 Changes in 0.71 (14 April 95)
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45 - Fixed more MSDOS compilation problems :( There is still a bug with
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46 TurboC large model.
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47
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48 Changes in 0.7 (14 April 95)
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49 - Added full inflate support.
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50 - Simplified the crc32() interface. The pre- and post-conditioning
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51 (one's complement) is now done inside crc32(). WARNING: this is
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52 incompatible with previous versions; see zlib.h for the new usage.
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53
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54 Changes in 0.61 (12 April 95)
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55 - workaround for a bug in TurboC. example and minigzip now work on MSDOS.
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56
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57 Changes in 0.6 (11 April 95)
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58 - added minigzip.c
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59 - added gzdopen to reopen a file descriptor as gzFile
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60 - added transparent reading of non-gziped files in gzread.
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61 - fixed bug in gzread (don't read crc as data)
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62 - fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose).
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63 - don't allocate big arrays in the stack (for MSDOS)
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64 - fix some MSDOS compilation problems
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65
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66 Changes in 0.5:
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67 - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but
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68 not yet Z_FULL_FLUSH.
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69 - support decompression but only in a single step (forced Z_FINISH)
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70 - added opaque object for zalloc and zfree.
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71 - added deflateReset and inflateReset
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72 - added a variable zlib_version for consistency checking.
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73 - renamed the 'filter' parameter of deflateInit2 as 'strategy'.
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74 Added Z_FILTERED and Z_HUFFMAN_ONLY constants.
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75
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76 Changes in 0.4:
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77 - avoid "zip" everywhere, use zlib instead of ziplib.
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78 - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush
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79 if compression method == 8.
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80 - added adler32 and crc32
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81 - renamed deflateOptions as deflateInit2, call one or the other but not both
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82 - added the method parameter for deflateInit2.
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83 - added inflateInit2
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84 - simplied considerably deflateInit and inflateInit by not supporting
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85 user-provided history buffer. This is supported only in deflateInit2
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86 and inflateInit2.
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87
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88 Changes in 0.3:
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89 - prefix all macro names with Z_
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90 - use Z_FINISH instead of deflateEnd to finish compression.
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91 - added Z_HUFFMAN_ONLY
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92 - added gzerror()
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