annotate zlib/ChangeLog @ 18:1424868939a8

Indenting
author darius
date Wed, 24 Dec 1997 12:38:35 +0000
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1
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2 ChangeLog file for zlib
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3
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4 Changes in 0.95 (16 Aug 95)
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5 - fix MSDOS small and medium model (now easier to adapt to any compiler)
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6 - inlined send_bits
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7 - fix the final (:-) bug for deflate with flush (output was correct but
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8 not completely flushed in rare occasions).
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9 - default window size is same for compression and decompression
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10 (it's now sufficient to set MAX_WBITS in zconf.h).
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11 - voidp -> voidpf and voidnp -> voidp (for consistency with other
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12 typedefs and because voidnp was not near in large model).
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13
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14 Changes in 0.94 (13 Aug 95)
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15 - support MSDOS medium model
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16 - fix deflate with flush (could sometimes generate bad output)
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17 - fix deflateReset (zlib header was incorrectly suppressed)
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18 - added support for VMS
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19 - allow a compression level in gzopen()
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20 - gzflush now calls fflush
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21 - For deflate with flush, flush even if no more input is provided.
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22 - rename libgz.a as libz.a
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23 - avoid complex expression in infcodes.c triggering Turbo C bug
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24 - work around a problem with gcc on Alpha (in INSERT_STRING)
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25 - don't use inline functions (problem with some gcc versions)
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26 - allow renaming of Byte, uInt, etc... with #define.
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27 - avoid warning about (unused) pointer before start of array in deflate.c
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28 - avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c
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29 - avoid reserved word 'new' in trees.c
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30
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31 Changes in 0.93 (25 June 95)
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32 - temporarily disable inline functions
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33 - make deflate deterministic
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34 - give enough lookahead for PARTIAL_FLUSH
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35 - Set binary mode for stdin/stdout in minigzip.c for OS/2
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36 - don't even use signed char in inflate (not portable enough)
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37 - fix inflate memory leak for segmented architectures
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38
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39 Changes in 0.92 (3 May 95)
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40 - don't assume that char is signed (problem on SGI)
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41 - Clear bit buffer when starting a stored block
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42 - no memcpy on Pyramid
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43 - suppressed inftest.c
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44 - optimized fill_window, put longest_match inline for gcc
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45 - optimized inflate on stored blocks.
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46 - untabify all sources to simplify patches
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47
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48 Changes in 0.91 (2 May 95)
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49 - Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
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50 - Document the memory requirements in zconf.h
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51 - added "make install"
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52 - fix sync search logic in inflateSync
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53 - deflate(Z_FULL_FLUSH) now works even if output buffer too short
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54 - after inflateSync, don't scare people with just "lo world"
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55 - added support for DJGPP
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56
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57 Changes in 0.9 (1 May 95)
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58 - don't assume that zalloc clears the allocated memory (the TurboC bug
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59 was Mark's bug after all :)
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60 - let again gzread copy uncompressed data unchanged (was working in 0.71)
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61 - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented
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62 - added a test of inflateSync in example.c
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63 - moved MAX_WBITS to zconf.h because users might want to change that.
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64 - document explicitly that zalloc(64K) on MSDOS must return a normalized
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65 pointer (zero offset)
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66 - added Makefiles for Microsoft C, Turbo C, Borland C++
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67 - faster crc32()
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68
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69 Changes in 0.8 (29 April 95)
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70 - added fast inflate (inffast.c)
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71 - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this
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72 is incompatible with previous versions of zlib which returned Z_OK.
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73 - work around a TurboC compiler bug (bad code for b << 0, see infutil.h)
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74 (actually that was not a compiler bug, see 0.81 above)
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75 - gzread no longer reads one extra byte in certain cases
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76 - In gzio destroy(), don't reference a freed structure
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77 - avoid many warnings for MSDOS
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78 - avoid the ERROR symbol which is used by MS Windows
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79
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80 Changes in 0.71 (14 April 95)
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81 - Fixed more MSDOS compilation problems :( There is still a bug with
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82 TurboC large model.
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83
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84 Changes in 0.7 (14 April 95)
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85 - Added full inflate support.
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86 - Simplified the crc32() interface. The pre- and post-conditioning
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87 (one's complement) is now done inside crc32(). WARNING: this is
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88 incompatible with previous versions; see zlib.h for the new usage.
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89
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90 Changes in 0.61 (12 April 95)
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91 - workaround for a bug in TurboC. example and minigzip now work on MSDOS.
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92
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93 Changes in 0.6 (11 April 95)
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94 - added minigzip.c
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95 - added gzdopen to reopen a file descriptor as gzFile
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96 - added transparent reading of non-gziped files in gzread.
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97 - fixed bug in gzread (don't read crc as data)
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98 - fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose).
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99 - don't allocate big arrays in the stack (for MSDOS)
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100 - fix some MSDOS compilation problems
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101
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102 Changes in 0.5:
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103 - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but
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104 not yet Z_FULL_FLUSH.
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105 - support decompression but only in a single step (forced Z_FINISH)
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106 - added opaque object for zalloc and zfree.
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107 - added deflateReset and inflateReset
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108 - added a variable zlib_version for consistency checking.
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109 - renamed the 'filter' parameter of deflateInit2 as 'strategy'.
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110 Added Z_FILTERED and Z_HUFFMAN_ONLY constants.
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111
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112 Changes in 0.4:
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113 - avoid "zip" everywhere, use zlib instead of ziplib.
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114 - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush
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115 if compression method == 8.
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116 - added adler32 and crc32
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117 - renamed deflateOptions as deflateInit2, call one or the other but not both
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118 - added the method parameter for deflateInit2.
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119 - added inflateInit2
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120 - simplied considerably deflateInit and inflateInit by not supporting
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121 user-provided history buffer. This is supported only in deflateInit2
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122 and inflateInit2.
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123
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124 Changes in 0.3:
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125 - prefix all macro names with Z_
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126 - use Z_FINISH instead of deflateEnd to finish compression.
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127 - added Z_HUFFMAN_ONLY
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128 - added gzerror()