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[libpng16] Quieted Coverity issues in pngfix.c, png-fix-itxt.c, pngvalid.c,

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pngstest.c, and pngimage.c. Most seem harmless, but png-fix-itxt
would only work with iTXt chunks with length 255 or less.
This commit is contained in:
Glenn Randers-Pehrson
2015-06-03 16:07:01 -05:00
parent f50b593ac0
commit b26b51d154
6 changed files with 23 additions and 12 deletions
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8
contrib/libtests/pngimage.c
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@@ -1,8 +1,8 @@
/* pngimage.c
*
* Copyright (c) 2014 John Cunningham Bowler
* Copyright (c) 2015 John Cunningham Bowler
*
* Last changed in libpng 1.6.10 [March 6, 2014]
* Last changed in libpng 1.6.18 [(PENDING RELEASE)]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@@ -1120,8 +1120,8 @@ compare_read(struct display *dp, int applied_transforms)
{
int b;
case 16: /* Two bytes per component, bit-endian */
for (b = (bpp >> 4); b > 0; )
case 16: /* Two bytes per component, big-endian */
for (b = (bpp >> 4); b > 0; --b)
{
unsigned int sig = (unsigned int)(0xffff0000 >> sig_bits[b]);