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646 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
68cb0aaee3 [libpng16] Implement eXIf chunk support 2017-07-13 11:22:48 -05:00
John Bowler
72d07d3202 [libpng16] Removed one of the GCC-7.1.0 'strict-overflow' warnings that 
result when integers appear on both sides of a compare.  Worked around the
  others by forcing the strict-overflow setting in the relevant functions to
  a level where they are not reported.
Changed "FALL THROUGH" comments to "FALLTHROUGH" because GCC doesn't like
  the space.
Worked around some C-style casts from (void*) because g++ 5.4.0 objects
  to them.
Increased the buffer size for 'sprint' to pass the gcc 7.1.0 'sprint
  overflow' check that is on by default with -Wall -Wextra.
 2017-07-11 08:47:05 -05:00
Glenn Randers-Pehrson
9f7134c3fc [libpng16] Update some "last changed" dates 2017-06-29 17:52:18 -05:00
Glenn Randers-Pehrson
2eff8ef504 [libpng16] Imported from libpng-1.6.30beta02.tar 2017-04-22 15:46:59 -05:00
Glenn Randers-Pehrson
e744ee1338 [libpng16] Update CHANGES, ANNOUNCE, and "last changed" dates. 2017-03-30 12:24:55 -05:00
Viktor Szakats
8c50acb9d2 silence clang -Wcomma warnings 2017-03-29 23:54:40 +00:00
Glenn Randers-Pehrson
d42e88d5b3 [libpng16] Imported from libpng-1.6.29.tar 2017-03-16 07:26:33 -05:00
Glenn Randers-Pehrson
a7029a5b4c [libpng16] Change test ZLIB_VERNUM >= 0x1281 to ZLIB_VERNUM >= 0x1290 in 
pngrutil.c because Solaris 11 distributes zlib-1.2.8.f that is older
than 1.2.8.1.
 2017-03-01 06:52:16 -06:00
Glenn Randers-Pehrson
8c6c9e6d56 [libpng16] Update credits to include Google Inc, for the Intel/SSE patch. 2017-01-12 09:45:02 -06:00
Glenn Randers-Pehrson
4ddac468c4 [libpng16] Bump version to 1.6.29beta01 2017-01-05 11:37:54 -06:00
Glenn Randers-Pehrson
17ad597dba [libpng16] Imported from libpng-1.6.28.tar 2017-01-05 07:59:36 -06:00
Glenn Randers-Pehrson
b9b490c7f5 [libpng16] Bump version to 1.6.28beta01 2016-12-30 08:29:24 -06:00
Glenn Randers-Pehrson
a3b5edc934 [libpng16] Bump version to 1.6.27 2016-12-29 07:50:33 -06:00
Glenn Randers-Pehrson
8187ba1518 [libpng16] PNG_IGNORE_ALDLER32_SUPPORTED -> PNG_IGNORE_ADLER32 in pngtest.c 2016-12-26 18:15:02 -06:00
Glenn Randers-Pehrson
dbb5fce3d8 [libpng16] Control ADLER32 checking with new PNG_IGNORE_ADLER32 option. 2016-12-26 18:00:46 -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
2accfbd6f3 [libpng16] Restrict the new ADLER32-skipping to IDAT chunks. It broke iCCP 
chunk handling.
 2016-10-28 15:50:46 -05:00
Glenn Randers-Pehrson
858cb585d7 [libpng16] Bump version to 1.6.27beta01 2016-10-28 15:25:26 -05:00
Glenn Randers-Pehrson
0c440812db [libpng16] Imported from libpng-1.6.26.tar 2016-10-19 19:11:38 -05:00
Glenn Randers-Pehrson
a1312f7b19 [libpng16] Cosmetic change "ptr != 0" to "ptr != NULL" in png.c and pngrutil.c 2016-10-16 14:34:40 -05:00
Glenn Randers-Pehrson
a106899acd [libpng16] Use zlib-1.2.8.1 inflateValidate() instead of inflateReset2() to 
avoid ADLER32 evaluation.
 2016-10-07 13:33:50 -05:00
Glenn Randers-Pehrson
3875d9af4c [libpng16] Quieted 45 (out of 86 remaining) -Wconversion compiler warnings 2016-10-02 17:08:46 -05:00
Glenn Randers-Pehrson
89ea081433 [libpng16] If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE, 
ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
 2016-09-25 17:42:15 -05:00
Glenn Randers-Pehrson
7835716cef [libpng16] Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngpriv.h, pngstruct.h, 
and pngrutil.c.
 2016-09-19 16:46:54 -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
e3a6631123 [libpng16] Imported from libpng-1.6.25.tar 2016-08-31 22:30:47 -05:00
Glenn Randers-Pehrson
935676cdad [libpng16] Revert use of png_malloc_array in iCCP chunk reader 2016-08-12 06:58:15 -05:00
Glenn Randers-Pehrson
8ff2ed2fe1 [libng16] Conditionally compile png_inflate(). It's not needed for iCCP 
chunk reading.
 2016-08-11 20:13:33 -05:00
Glenn Randers-Pehrson
19fefd3a4b [libpng16] Return NULL from png_malloc_array() with a warning instead of calling 
png_error() on failure.  Reject oversized iCCP profile immediately.
 2016-08-10 12:09:22 -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
8d091a640b [libpng16] Conditionally compile png_decompress_chunk(). 2016-08-01 17:50:42 -05:00
Glenn Randers-Pehrson
ee079481c9 [libpng16] Imported from libpng-1.6.24beta06.tar 2016-07-19 17:00:00 -05:00
Glenn Randers-Pehrson
639b48625f [libpng16] Eliminated unnecessary tests of boolean png_isaligned() vs 0. 2016-07-15 17:22:10 -05:00
Glenn Randers-Pehrson
dd70604cec [libpng16] Fixed more indentation 2016-07-15 11:20:46 -05:00
Glenn Randers-Pehrson
0fd9a249de [libpng16] Update "last changed" dates 2016-07-13 16:29:22 -05:00
Glenn Randers-Pehrson
192e92d681 [libpng16] Fixed some indentation to comply with our coding style. 2016-07-13 14:43:42 -05:00
Glenn Randers-Pehrson
80495124b2 [libpng16] Don't call png_icc_set_sRGB() when it's not compiled. 2016-07-03 10:28:54 -05:00
Glenn Randers-Pehrson
66db757dd4 [libpng16] Happy 2016! Updated copyright year 2016-01-02 13:40:27 -06:00
Glenn Randers-Pehrson
4d8de33979 [libpng16] Update copyright uears in source files. 2015-12-13 22:41:17 -06:00
Glenn Randers-Pehrson
0de0101fdd [libpng16] Bump version to 1.6.21beta01 2015-12-08 22:19:15 -06:00
Glenn Randers-Pehrson
5b6a6f914b [libpng16] Imported from libpng-1.6.20.tar 2015-12-02 22:30:37 -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
27f08ac11d [lbpng16] Revert 12 -> 12U change in pngrutil.c 2015-11-22 22:59:47 -06:00
Glenn Randers-Pehrson
8ba160ba94 [libpng16] Use unsigned constants in buffer length comparisons 2015-11-21 14:31:59 -06:00
John Bowler
1ceedd0bf6 [libpng16] Another whack at png_handle_sPLT() pointer calculation. 2015-11-19 20:45:08 -06:00
Glenn Randers-Pehrson
001513c9ca [libpng16] Removed new redundant check for libpng < 12 in pngrutil.c 2015-11-17 16:23:51 -06:00
Glenn Randers-Pehrson
162f9f87f9 [libpng16] Remove newly-added useless typecasts. 2015-11-16 09:23:25 -06:00
Glenn Randers-Pehrson
9965f63a44 [libpng16] Changed size_t to png_uint_32 in new buffer checks (John Bowler) 2015-11-15 15:27:22 -06:00
Glenn Randers-Pehrson
070a0eb58f [libpng16] Revised recent pngrutil.c patch as suggested by pascal 2015-11-14 16:45:26 -06:00
Glenn Randers-Pehrson
0b4e7deab1 [libpng16] Avoid potential pointer overflow in png_handle_sPLT() and 
png_handle_pCAL() (Bug report by John Regehr).
 2015-11-13 11:05:27 -06:00