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[libpng16] Eliminated PNG_SAFE_LIMITS macro and restored the 1-million-column

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and 1-million-row default limits in pnglibconf.dfa, that can be reset
by the user at build time or run time.  This provides a more robust
defense against DOS and as-yet undiscovered overflows.

Display user limits in the output from pngtest.
This commit is contained in:
Glenn Randers-Pehrson
2015-02-16 22:52:07 -06:00
parent 471b38aa00
commit 4b65a89cf4
7 changed files with 65 additions and 91 deletions
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8
pngusr.dfa
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@@ -8,7 +8,7 @@
# here by entering the appropriate values as #defines preceded by '@' (to cause,
# them to be passed through to the build of pnglibconf.h), for example:
#
# @# define PNG_USER_WIDTH_MAX 1000000
# @# define PNG_USER_HEIGHT_MAX 1000000
# @# define PNG_USER_CHUNK_CACHE_MAX 128
# @# define PNG_USER_CHUNK_MALLOC_MAX 8000000
# @# define PNG_USER_WIDTH_MAX 65535
# @# define PNG_USER_HEIGHT_MAX 65535
# @# define PNG_USER_CHUNK_CACHE_MAX 256
# @# define PNG_USER_CHUNK_MALLOC_MAX 640000