diff options
Diffstat (limited to 'src/3rdparty/libpng/pngpread.c')
| -rw-r--r-- | src/3rdparty/libpng/pngpread.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/3rdparty/libpng/pngpread.c b/src/3rdparty/libpng/pngpread.c index e283627b77..ffab19c08c 100644 --- a/src/3rdparty/libpng/pngpread.c +++ b/src/3rdparty/libpng/pngpread.c @@ -1,7 +1,7 @@ /* pngpread.c - read a png file in push mode * - * Copyright (c) 2018 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. @@ -145,10 +145,10 @@ png_push_read_sig(png_structrp png_ptr, png_inforp info_ptr) num_to_check); png_ptr->sig_bytes = (png_byte)(png_ptr->sig_bytes + num_to_check); - if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check)) + if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check) != 0) { if (num_checked < 4 && - png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4)) + png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4) != 0) png_error(png_ptr, "Not a PNG file"); else @@ -295,6 +295,14 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr) } #endif +#ifdef PNG_READ_eXIf_SUPPORTED + else if (png_ptr->chunk_name == png_eXIf) + { + PNG_PUSH_SAVE_BUFFER_IF_FULL + png_handle_eXIf(png_ptr, info_ptr, png_ptr->push_length); + } + +#endif #ifdef PNG_READ_sRGB_SUPPORTED else if (chunk_name == png_sRGB) { @@ -1089,7 +1097,7 @@ png_voidp PNGAPI png_get_progressive_ptr(png_const_structrp png_ptr) { if (png_ptr == NULL) - return (NULL); + return NULL; return png_ptr->io_ptr; } |