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[master] Imported from libpng-1.6.21.tar

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This commit is contained in:
Glenn Randers-Pehrson
2016-01-15 09:52:13 -06:00
parent 047737496a
commit 5756fcab2f
53 changed files with 501 additions and 332 deletions
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10
contrib/tools/pngfix.c
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@@ -1,8 +1,8 @@
/* pngfix.c
*
* Copyright (c) 2014-2015 John Cunningham Bowler
* Copyright (c) 2014-2016 John Cunningham Bowler
*
* Last changed in libpng 1.6.20 [December 3, 2015]
* Last changed in libpng 1.6.21 [January 15, 2016]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@@ -319,13 +319,13 @@ uarb_mult32(uarb acc, int a_digits, uarb num, int n_digits, png_uint_32 val)
a_digits = uarb_mult_digit(acc, a_digits, num, n_digits,
(png_uint_16)(val & 0xffff));
/* Because n_digits and val are >0 the following must be true: */
assert(a_digits > 0);
val >>= 16;
if (val > 0)
a_digits = uarb_mult_digit(acc+1, a_digits-1, num, n_digits,
(png_uint_16)val) + 1;
/* Because n_digits and val are >0 the following must be true: */
assert(a_digits > 0);
}
return a_digits;