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[libpng17]Rearranged png_struct, remove unused members, change png_set_filter

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handling png_struct members rearranged - partly to reorder to avoid packing,
partly to put frequently accessed members at the start and partly to make
the grouping more clear. png_set_filter code has been rewritten and the
code shared with png_write_start_row moved to a common function.  Comments
in png.h have been made more clear. Minor fixes to
contrib/libtests/timepng.c and some of the png_*_tRNS logic, including
more error detection in png_set_tRNS.
This commit is contained in:
John Bowler
2012-12-14 22:31:50 -06:00
committed by Glenn Randers-Pehrson
parent 3e42c81193
commit 240ac287eb
11 changed files with 49 additions and 31 deletions
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4
pngerror.c
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@@ -163,7 +163,7 @@ png_format_number(png_const_charp start, png_charp end, int format,
case PNG_NUMBER_FORMAT_02u:
/* Expects at least 2 digits. */
mincount = 2;
/* FALL THROUGH */
/* fall through */
case PNG_NUMBER_FORMAT_u:
*--end = digits[number % 10];
@@ -173,7 +173,7 @@ png_format_number(png_const_charp start, png_charp end, int format,
case PNG_NUMBER_FORMAT_02x:
/* This format expects at least two digits */
mincount = 2;
/* FALL THROUGH */
/* fall through */
case PNG_NUMBER_FORMAT_x:
*--end = digits[number & 0xf];