diff options
Diffstat (limited to 'src/3rdparty/libpng/pngread.c')
| -rw-r--r-- | src/3rdparty/libpng/pngread.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/3rdparty/libpng/pngread.c b/src/3rdparty/libpng/pngread.c index 96996ced5b..008a41856b 100644 --- a/src/3rdparty/libpng/pngread.c +++ b/src/3rdparty/libpng/pngread.c @@ -1,7 +1,7 @@ /* pngread.c - read a PNG file * - * Copyright (c) 2018-2019 Cosmin Truta + * Copyright (c) 2018-2024 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * Copyright (c) 1996-1997 Andreas Dilger * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -568,7 +568,7 @@ png_read_row(png_structrp png_ptr, png_bytep row, png_bytep dsp_row) #endif #ifdef PNG_READ_TRANSFORMS_SUPPORTED - if (png_ptr->transformations) + if (png_ptr->transformations || png_ptr->num_palette_max >= 0) png_do_read_transformations(png_ptr, &row_info); #endif @@ -785,7 +785,7 @@ png_read_end(png_structrp png_ptr, png_inforp info_ptr) #ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED /* Report invalid palette index; added at libng-1.5.10 */ if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - png_ptr->num_palette_max > png_ptr->num_palette) + png_ptr->num_palette_max >= png_ptr->num_palette) png_benign_error(png_ptr, "Read palette index exceeding num_palette"); #endif @@ -1049,6 +1049,8 @@ void PNGAPI png_read_png(png_structrp png_ptr, png_inforp info_ptr, int transforms, voidp params) { + png_debug(1, "in png_read_png"); + if (png_ptr == NULL || info_ptr == NULL) return; |