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[libpng17] Update CHANGES and ANNOUNCE

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Glenn Randers-Pehrson 2016-01-10 08:00:00 -06:00
parent b9014ed336
commit d9d6b6e361
2 changed files with 27 additions and 3 deletions
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16
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.7.0beta77 - January 9, 2016
Libpng 1.7.0beta77 - January 10, 2016
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -1172,8 +1172,20 @@ Version 1.7.0beta76 [January 7, 2016]
Fixed new Coverity defect, potential NULL dereference of "ps" in pngwutil.c
Added temporary workaround for Coverity "Dead code" defect.
Version 1.7.0beta77 [January 9, 2016]
Version 1.7.0beta77 [January 10, 2016]
Fixed new Coverity defect, another NULL dereference of "ps" in pngwutil.c
Prevent the CMINFO optimization code from running twice on any PNG IDAT
stream longer than 2048 bytes; the second time could overwrite bytes
2048,2049, invalidating the output.
Fixed a (debug) checks that was slightly wrong (< when <= should have been
used) and this caused write to abort maybe 1 out of 2048 times.
Improved the contrib/examples/pngcp search mode. This is still a
work-in-progress, but it seems fairly stable (if not exactly 100%
optimal). pngcp now allows 'all' for some options which iterates
through all possible settings (this reliably produces the smallest
IDAT that libpng can produce with those settings.) It also contains
a "--search" command line option that attempts to optimize this by
skipping pointless tests; it is close, most of the time, but not perfect.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

14
CHANGES
View File

@ -5471,8 +5471,20 @@ Version 1.7.0beta76 [January 7, 2016]
Fixed new Coverity defect, potential NULL dereference of "ps" in pngwutil.c
Added temporary workaround for Coverity "Dead code" defect.
Version 1.7.0beta77 [January 9, 2016]
Version 1.7.0beta77 [January 10, 2016]
Fixed new Coverity defect, another NULL dereference of "ps" in pngwutil.c
Prevent the CMINFO optimization code from running twice on any PNG IDAT
stream longer than 2048 bytes; the second time could overwrite bytes
2048,2049, invalidating the output.
Fixed a (debug) checks that was slightly wrong (< when <= should have been
used) and this caused write to abort maybe 1 out of 2048 times.
Improved the contrib/examples/pngcp search mode. This is still a
work-in-progress, but it seems fairly stable (if not exactly 100%
optimal). pngcp now allows 'all' for some options which iterates
through all possible settings (this reliably produces the smallest
IDAT that libpng can produce with those settings.) It also contains
a "--search" command line option that attempts to optimize this by
skipping pointless tests; it is close, most of the time, but not perfect.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit