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[libpng17] Transformed rewrite: changed row_info, added checks. This introduces an

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internal struct (png_transform_control) to replace row_info and uses
    that to implement affirms correctly.  The change also adds checks on
    the rowbytes calculation and additional checks on most transform
    implementations.
Added png_uint_16 range checking, pngvalid tRNS, fixed png_uint_16:
    review of previous checks, removal of some where SAFE. pngvalid: add
    testing of tRNS for better code coverage pngvalid: correct rgb-to-gray
    error calculations. Code coverage is still incomplete: see /*UNTESTED*/
    in pngrtran.c
This commit is contained in:
John Bowler
2015-03-30 21:32:41 -05:00
committed by Glenn Randers-Pehrson
parent 73ea393ab2
commit 673ae608ab
14 changed files with 1812 additions and 1451 deletions
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4
png.c
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@@ -689,13 +689,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.7.0beta59 - March 25, 2015" PNG_STRING_NEWLINE \
"libpng version 1.7.0beta59 - March 31, 2015" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.7.0beta59 - March 25, 2015\
return "libpng version 1.7.0beta59 - March 31, 2015\
Copyright (c) 1998-2015 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";