diff options
Diffstat (limited to 'media/libpng/pngrutil.c')
| -rw-r--r-- | media/libpng/pngrutil.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/media/libpng/pngrutil.c b/media/libpng/pngrutil.c index 51e2204000..7372a98219 100644 --- a/media/libpng/pngrutil.c +++ b/media/libpng/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Copyright (c) 2018-2022 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. @@ -26,7 +26,7 @@ png_get_uint_31(png_const_structrp png_ptr, png_const_bytep buf) if (uval > PNG_UINT_31_MAX) png_error(png_ptr, "PNG unsigned integer out of range"); - return (uval); + return uval; } #if defined(PNG_READ_gAMA_SUPPORTED) || defined(PNG_READ_cHRM_SUPPORTED) @@ -140,7 +140,7 @@ png_read_sig(png_structrp png_ptr, png_inforp info_ptr) 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 png_error(png_ptr, "PNG file corrupted by ASCII conversion"); @@ -171,7 +171,7 @@ png_read_chunk_header(png_structrp png_ptr) /* Put the chunk name into png_ptr->chunk_name. */ png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(buf+4); - png_debug2(0, "Reading %lx chunk, length = %lu", + png_debug2(0, "Reading chunk typeid = 0x%lx, length = %lu", (unsigned long)png_ptr->chunk_name, (unsigned long)length); /* Reset the crc and run it over the chunk name. */ @@ -238,10 +238,10 @@ png_crc_finish(png_structrp png_ptr, png_uint_32 skip) else png_chunk_error(png_ptr, "CRC error"); - return (1); + return 1; } - return (0); + return 0; } /* Compare the CRC stored in the PNG file with that calculated by libpng from @@ -277,11 +277,11 @@ png_crc_error(png_structrp png_ptr) if (need_crc != 0) { crc = png_get_uint_32(crc_bytes); - return ((int)(crc != png_ptr->crc)); + return crc != png_ptr->crc; } else - return (0); + return 0; } #if defined(PNG_READ_iCCP_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) ||\ @@ -421,8 +421,7 @@ png_inflate_claim(png_structrp png_ptr, png_uint_32 owner) png_ptr->flags |= PNG_FLAG_ZSTREAM_INITIALIZED; } -#if ZLIB_VERNUM >= 0x1290 && \ - defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32) +#ifdef PNG_DISABLE_ADLER32_CHECK_SUPPORTED if (((png_ptr->options >> PNG_IGNORE_ADLER32) & 3) == PNG_OPTION_ON) /* Turn off validation of the ADLER32 checksum in IDAT chunks */ ret = inflateValidate(&png_ptr->zstream, 0); |