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446 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
58720d3c06 [libpng16] Fix "last changed" dates 2017-08-29 12:29:03 -05:00
Glenn Randers-Pehrson
f6ca33d42c [libpng16] Bump version to 1.6.33beta01 2017-08-25 18:54:30 -05:00
Glenn Randers-Pehrson
df7e9dae0c [libpng16] Imported from libpng-1.6.32.tar 2017-08-24 16:39:02 -05:00
Glenn Randers-Pehrson
13bc0b6b1f [libpng16] Make png_check_chunk_length|name() parameters const 2017-08-05 15:35:45 -05:00
Glenn Randers-Pehrson
fcd1bb9312 [libpng16] Removed unused chunk_name parameter from png_check_chunk_length(). 2017-08-05 15:08:40 -05:00
Glenn Randers-Pehrson
2dca15686f [libpng16] Moved chunk-length check into a png_check_chunk_length() private 
function (Suggested by Max Stepin).
 2017-08-04 14:09:27 -05:00
Glenn Randers-Pehrson
2dbef2f2a9 [libpng16] Restored IDAT length check. Previously the calculated limit was five 
bytes too small (neglected to account for a partial DEFLATE buffer)
 2017-08-03 18:03:12 -05:00
Glenn Randers-Pehrson
4ac8b5e0d6 [libpng16] Use png_debug2() instead of printf() for bug reporting. 2017-08-03 16:29:58 -05:00
Glenn Randers-Pehrson
d683af0f12 [libpng16] Temporarily disable IDAT length-limiting. 2017-08-03 16:04:22 -05:00
Glenn Randers-Pehrson
095b4ce16b [libpng16] Disabled new limit test on IDAT chunks. It was producing too small 
a limit for some files.
 2017-08-03 12:43:56 -05:00
Glenn Randers-Pehrson
a1fe2c9848 [libpng16] Check length of IDAT against maximum possible IDAT size, accounting 
for height, rowbytes, interlacing and zlib/deflate overhead.
 2017-08-03 10:01:35 -05:00
Glenn Randers-Pehrson
347538efbd [libng16] Check length of all chunks except IDAT against user limit. 2017-08-02 19:21:19 -05:00
Glenn Randers-Pehrson
61a9a054fd [libpng16] Imported from libpng-1.6.27rc01.tar 2016-12-27 08:24:22 -06:00
Glenn Randers-Pehrson
d65a92b951 [libpng16] Revert ADLER32 error handling in pngrutil.c and pngpread.c. 2016-11-08 16:04:08 -06:00
Glenn Randers-Pehrson
217546ae43 [libpng16] Imported from libpng-1.6.26beta01.tar 2016-09-26 08:57:44 -05:00
Glenn Randers-Pehrson
1842d7c865 [libpng16] Issue a png_benign_error instead of a png_error on ADLER32 mismatch 
while decoding compressed data chunks.
 2016-09-11 22:02:05 -05:00
Glenn Randers-Pehrson
b50d5cea2b [libpng16] Imported from libpng-1.6.24.tar 2016-08-03 21:32:26 -05:00
Glenn Randers-Pehrson
dd70604cec [libpng16] Fixed more indentation 2016-07-15 11:20:46 -05:00
Glenn Randers-Pehrson
ed6db9d86b [libpng16] Imported from libpng-1.6.23.tar 2016-06-09 06:49:42 -05:00
Glenn Randers-Pehrson
89158b9ad1 [libpng16] Fixed undefined behavior in png_push_save_buffer(). Do not call 
memcpy() with a null source, even if count is zero (Leon Scroggins III).
 2016-06-03 18:40:42 -05:00
Timothy Nikkel
3f46c67c69 [libpng16] Fixed the progressive reader to handle empty first IDAT chunk 
properly (patch by Timothy Nikkel).
 2016-05-29 09:44:04 -05:00
Glenn Randers-Pehrson
4d8de33979 [libpng16] Update copyright uears in source files. 2015-12-13 22:41:17 -06:00
John Bowler
28a1cdfc2e Fix inconsistent handling of invalid zlib data 
In libpng 1.6 zlib initialization was changed to use the window size in the zlib
stream, not a fixed value.  This causes some invalid images, ones where CINFO is
too large, to display 'correctly' if the rest of the data is valid.  This
provides a work-round for zlib versions where the error arises (ones that
support the API change to use the window size in the stream).

Signed-off-by: John Bowler <jbowler@acm.org>
 2015-11-27 23:57:39 -08:00
Glenn Randers-Pehrson
92ec30a3b1 [libpng16] Imported from libpng-1.6.20beta03.tar 2015-11-24 09:34:02 -06:00
Glenn Randers-Pehrson
8b83ff3704 [libpng16] Change "n bit" to "n-bit" in comments. 2015-08-13 20:57:18 -05:00
Glenn Randers-Pehrson
e6172809bd [libpng16] Imported from libpng-1.6.18.tar 2015-07-22 22:40:52 -05:00
Glenn Randers-Pehrson
f86720c6c0 [libpng16] Fix some indentation. 2015-06-11 22:00:14 -05:00
John Bowler
25bfb13770 [libpng16] Removed non-working progressive reader 'skip' function. This 
function has apparently never been used. It was implemented
to support back-door modification of png_struct in libpng-1.4.x
but was apparently never tested (because it does nothing and cannot
do anything).
 2015-06-03 14:31:08 -05:00
Glenn Randers-Pehrson
c861dc8923 [libpng16] Suppressed some warnings from the Borland C++ 5.5.1/5.82 compiler 
(Bug report by Viktor Szaka'ts).
 2015-04-01 12:06:01 -05:00
Glenn Randers-Pehrson
c98f7fb4e3 [libpng16] Imported from libpng-1.6.17.tar 2015-03-26 08:11:12 -05:00
Glenn Randers-Pehrson
c5370ede95 [libpng16] Reverted "& 0xff" additions of version 1.6.17beta01. Libpng passes 
the Coverity scan without them.
 2015-03-21 11:54:32 -05:00
Glenn Randers-Pehrson
7011a8cec3 [libpng16] Added "& 0xff" to things being typecast to "png_byte". 2015-02-27 18:53:44 -06:00
Glenn Randers-Pehrson
6ef579df50 [libpng16] Imported from libpng-1.6.17beta01.tar 2015-01-28 19:15:16 -06:00
Glenn Randers-Pehrson
e8ef689cb9 [libpng16] Imported from libpng-1.6.15.tar 2014-11-20 10:22:57 -06:00
Glenn Randers-Pehrson
cda68df8c1 [libpng16] Changed "#endif /* PNG_FEATURE_SUPPORTED */" to "#endif /* FEATURE */" 2014-11-06 22:11:39 -06:00
Glenn Randers-Pehrson
b963feeec6 [libpng16] More cosmetic changes 2014-11-01 13:18:36 -05:00
Glenn Randers-Pehrson
5d713fe123 [libpng16] Changed remaining "if (!x)" to "if (x == 0)" and "if (x)" to 
"if (x !== 0)"
 2014-10-31 20:58:40 -05:00
Glenn Randers-Pehrson
c6a8cb7d10 [libpng16] Added missing "ptr = NULL" after some instances of png_free(). 2014-10-29 08:27:34 -05:00
Glenn Randers-Pehrson
edb772fd6d [libpng16] Imported from libpng-1.6.14.tar 2014-10-22 19:32:52 -05:00
Glenn Randers-Pehrson
25d240dc6e [libpng16] Imported from libpng-1.6.14beta07.tar 2014-10-07 18:57:21 -05:00
Glenn Randers-Pehrson
a4fa1c57f4 [libpng16] Added "chunk iTXt enables TEXT" and "chunk zTXt enables TEXT" 
to pnglibconf.dfa.
 2014-10-04 12:38:47 -05:00
Glenn Randers-Pehrson
27f0332cae [libpng16] Replaced repeated code with PNG_PUSH_SAVE_BUFFER_IF_FULL 
in pngpread.c
 2014-10-04 10:28:58 -05:00
Glenn Randers-Pehrson
212fd5745d [libpng16] Bump version to 1.6.13beta01 2014-06-11 21:13:33 -05:00
Glenn Randers-Pehrson
e429c66cea [libpng16] Imported from libpng-1.6.12.tar 2014-06-11 20:41:51 -05:00
Glenn Randers-Pehrson
da7b692ce0 [libpng16] Bump version to 1.6.12beta01 2014-06-06 11:57:30 -05:00
Glenn Randers-Pehrson
c4e0f3de64 [libpng16] Imported from libpng-1.6.11.tar 2014-06-05 10:00:45 -05:00
Glenn Randers-Pehrson
72855fb11e [libpng16] Made progressive reading of interlaced images consistent with the 
behavior of the sequential reader and consistent with the manual. The
row_callback now receives the proper pass number and unexpanded rows,
when png_combine_row is not used or not built, by moving some code
out of the PNG_READ_INTERLACING_SUPPORTED blocks.
 2014-04-13 21:27:25 -05:00
Glenn Randers-Pehrson
c4b3718856 [libpng16] Imported from libpng-1.6.11beta02.tar 2014-04-06 09:07:56 -05:00
Glenn Randers-Pehrson
05670156f3 [libpng16] Use "if (value != 0)" instead of "if (value)" consistently. 2014-03-08 12:39:52 -06:00
Glenn Randers-Pehrson
71d23c4d6e [libpng16] Bump version to 1.6.11beta01 2014-03-06 21:09:24 -06:00