| 1 | Revision history for Perl extension Convert::UUlib. |
1 | Revision history for Perl extension Convert::UUlib. |
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2 | |
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3 | TODO: biggest timesinks: FP_fgets/getc_unlocked overall, UUInsertPartToList dominates large loads due to O(n**2) search |
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4 | |
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5 | - trust filename from yenc header and do not extract it from the header. |
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6 | - remove debug message file cvs id's, which didn't work anymore, replace UUMessage |
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7 | by a macro and remove file and line numbers from callers. |
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8 | - remove some pre-c99 support. |
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9 | - compile whole uulib als single .c file. |
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10 | - call abort in some code that should not be reached. |
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11 | |
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12 | 1.8 Thu Dec 17 02:23:53 CET 2020 |
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13 | - no bugfixes in this release due to lack of known bugs, but the major changes |
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14 | in this release might have introduced new bugs, so watch out. |
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15 | - update large decoder example to disable OPT_AUTOCHK and use Smerge -1. |
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16 | - some micro-optimisations. |
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17 | - avoid costly string comparisons by comparing hashes when isnerting items, |
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18 | which speeds up insertion by a constant factor. |
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19 | - improve uulist (and other) structure layout and size. |
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20 | - reverse the order of file list items, which heuristically improves |
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21 | match speed with large usenet file lists. |
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22 | - use getc instead of fgetc, which makes no difference on gnu/linux, |
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23 | but might, elsewhere. |
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24 | - clean up _FP symbol names to not start with an underscore. |
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25 | - use feof_unlocked and ferror_unlocked. |
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26 | - implement a faster ascii-only strnicmp. |
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27 | - misc very minor code improvements. |
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28 | - remove quite a bit of pre-posix/dos/etc. cruft. |
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29 | - use flockfile, if available, for a potential but small |
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30 | speed gain. |
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31 | - speed up inner yenc decoder loop. |
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32 | - kentnl said that this module should no longer claim to be a simple |
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33 | interface to uulib, as the bunndled copy is now better maintained |
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34 | than the original upstream library. |
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35 | |
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36 | 1.71 Tue Mar 17 00:54:06 CET 2020 |
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37 | - backport to c89 (patch by Paul Howarth). |
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38 | |
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39 | 1.7 Sat Feb 29 22:07:54 CET 2020 |
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40 | - new function: GetFileList. |
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41 | - experimental perlmulticore support (see manpage). |
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42 | - Initialize is now a NOP and CleanUp automatically initializes again. |
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43 | - updated example decoder and documentation a bit. |
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44 | - include ecb.h to deal with compiler builtins and endianness. |
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45 | - some further µ-optimisations in hot code, especially for yEnc. |
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46 | - replace crc32 function by slice-by-16 version by Stephan Brumme, |
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47 | which should speed up yEnc en-/decoding. |
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48 | - yEnc: do not calculate two crcs per part, instead, combine |
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49 | the part crcs together to form the file crc. |
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50 | - yEnc: allow pcrc= in addition to pcrc32= for yenc trailers, as |
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51 | some draft mentions both and it is actually in active use. |
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52 | - yEnc: ignore crc32= on multiparts, except on the last part, |
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53 | which avoids spurious corruption warnings. |
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54 | - be more precise in documenting code licenses in COPYING. |
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55 | - convert constant creation to the method I normally use. |
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56 | - use common::sense. |
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57 | |
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58 | 1.62 Mon Feb 17 23:19:42 CET 2020 |
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59 | - major performance improvement by simplifying code in _FP_gets |
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60 | to not use fscanf. This might slow things down on platforms |
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61 | with very slow fgetc. |
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62 | |
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63 | 1.61 Sun Feb 9 18:38:29 CET 2020 |
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64 | - lint uulib: fix some format string type mismatches |
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65 | and some other minor issues. |
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66 | |
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67 | 1.6 Thu Oct 24 17:11:54 CEST 2019 |
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68 | - fix heap overflow (testcase by Noel Duffy, reported |
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69 | by Robert Scheck). The defense-in-depth mechanism based |
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70 | on mmap should make this unexploitable for other than denial |
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71 | of service, on systems supporting mmap/mprotect. |
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72 | |
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73 | 1.5 Sat Jul 11 03:56:06 CEST 2015 |
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74 | - fix a heap overflow (testcase by Krzysztof Wojtaś). |
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75 | - on systems that support it (posix + mmap + map_anonymous), |
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76 | allocate all dynamic areas via mmap and put four guard |
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77 | pages around them, to catch similar heap overflows |
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78 | safely in the future. |
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79 | - find a safer way to pass in CC/CFLAGS to uulib. |
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80 | - added stability canary support. |
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81 | |
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82 | 1.4 Sun May 29 17:17:01 CEST 2011 |
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83 | - avoid a classical buffer overflow in case a progress |
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84 | message is too long. |
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85 | - this release adds dependencies for snprintf/vsnprintf. |
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86 | - some uuencode encoders do not generate a final "space" line |
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87 | before the "end" marker, so do not rely on the line to be there. |
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88 | |
| 3 | 1.34 Tue Dec 14 22:20:00 CET 2010 |
89 | 1.34 Tue Dec 14 22:20:00 CET 2010 |
| 4 | - fix a one-byte-past-end-write buffer overflow in UURepairData |
90 | - fix a one-byte-past-end-write buffer overflow in UURepairData |
| 5 | (reported, analysed and testcase provided by Marco Walther). |
91 | (reported, analysed and testcase provided by Marco Walther). |
| 6 | - quoted-printable decoding was completely broken, try a fix. |
92 | - quoted-printable decoding was completely broken, try a fix. |
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| 39 | |
125 | |
| 40 | 1.12 Mon Oct 13 14:11:01 CEST 2008 |
126 | 1.12 Mon Oct 13 14:11:01 CEST 2008 |
| 41 | - use the yencode filesize as additional matching criterium |
127 | - use the yencode filesize as additional matching criterium |
| 42 | to avoid false matches. |
128 | to avoid false matches. |
| 43 | - made the example decoder more verbose w.r.t. error handling. |
129 | - made the example decoder more verbose w.r.t. error handling. |
| 44 | - removed potentially confusing decide_temp calls from |
130 | - removed potentially confusing decode_temp calls from |
| 45 | example decoder. |
131 | example decoder. |
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132 | |
| 47 | 1.11 Fri Jun 13 15:32:30 CEST 2008 |
133 | 1.11 Fri Jun 13 15:32:30 CEST 2008 |
| 48 | - don't ask. |
134 | - don't ask. |
| 49 | |
135 | |
