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[libpng16] Change png_warning() to png_app_error() in pngwrite.c and comment

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the fall-through condition.
This commit is contained in:
John Bowler
2012-12-09 18:50:49 -06:00
committed by Glenn Randers-Pehrson
parent b76ab1260d
commit 1f84bd7000
3 changed files with 10 additions and 5 deletions
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5
pngwrite.c
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@@ -936,7 +936,8 @@ png_set_filter(png_structrp png_ptr, int method, int filters)
#ifdef PNG_WRITE_FILTER_SUPPORTED
case 5:
case 6:
case 7: png_warning(png_ptr, "Unknown row filter for method 0");
case 7: png_app_error(png_ptr, "Unknown row filter for method 0");
/* Fall through */
#endif /* PNG_WRITE_FILTER_SUPPORTED */
case PNG_FILTER_VALUE_NONE:
png_ptr->do_filter = PNG_FILTER_NONE; break;
@@ -958,7 +959,7 @@ png_set_filter(png_structrp png_ptr, int method, int filters)
png_ptr->do_filter = (png_byte)filters; break;
#else
default:
png_warning(png_ptr, "Unknown row filter for method 0");
png_app_error(png_ptr, "Unknown row filter for method 0");
#endif /* PNG_WRITE_FILTER_SUPPORTED */
}