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[libpng15] Imported from libpng-1.5.29.tar

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Glenn Randers-Pehrson
2017-08-24 15:03:14 -05:00
parent fe3a4493e5
commit e7c0ec1e92
33 changed files with 90 additions and 92 deletions
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10
contrib/libtests/pngvalid.c
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@@ -1,7 +1,7 @@
/* pngvalid.c - validate libpng by constructing then reading png files.
*
* Last changed in libpng 1.6.29 [(PENDING RELEASE)]
* Last changed in libpng 1.6.31 [July 27, 2017]
* Copyright (c) 2014-2017 John Cunningham Bowler
*
* This code is released under the libpng license.
@@ -6584,16 +6584,16 @@ transform_info_imp(transform_display *dp, png_structp pp, png_infop pi)
{
case PNG_COLOR_TYPE_PALETTE:
if (dp->output_bit_depth > 8) goto error;
/*FALL THROUGH*/
/* FALLTHROUGH */
case PNG_COLOR_TYPE_GRAY:
if (dp->output_bit_depth == 1 || dp->output_bit_depth == 2 ||
dp->output_bit_depth == 4)
break;
/*FALL THROUGH*/
/* FALLTHROUGH */
default:
if (dp->output_bit_depth == 8 || dp->output_bit_depth == 16)
break;
/*FALL THROUGH*/
/* FALLTHROUGH */
error:
{
char message[128];
@@ -9994,9 +9994,9 @@ gamma_component_validate(const char *name, const validate_info *vi,
case PNG_BACKGROUND_GAMMA_FILE:
case PNG_BACKGROUND_GAMMA_UNIQUE:
use_background = (alpha >= 0 && alpha < 1);
/*FALL THROUGH*/
# endif
# ifdef PNG_READ_ALPHA_MODE_SUPPORTED
/* FALLTHROUGH */
case ALPHA_MODE_OFFSET + PNG_ALPHA_STANDARD:
case ALPHA_MODE_OFFSET + PNG_ALPHA_BROKEN:
case ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED: