[libpng16] Quieted 74 (out of 288) -Wconversion compiler warnings by changing
flag definitions in pngpriv.h from 0xnnnn to 0xnnnnU.
This commit is contained in:
Glenn Randers-Pehrson
parent
d84fd77bf8
commit
fa24421216
2
ANNOUNCE
2
ANNOUNCE
@ -44,6 +44,8 @@ Version 1.6.26beta01 [September 26, 2016]
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Version 1.6.26beta02 [September 30, 2016]
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Updated the documentation about CRC and ADLER32 handling.
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Quieted a warning from clang-3.8 in pngtrans.c.
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Quieted 74 (out of 288) -Wconversion compiler warnings by changing
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flag definitions in pngpriv.h from 0xnnnn to 0xnnnnU.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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2
CHANGES
2
CHANGES
@ -5722,6 +5722,8 @@ Version 1.6.26beta01 [September 26, 2016]
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Version 1.6.26beta02 [September 30, 2016]
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Updated the documentation about CRC and ADLER32 handling.
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Quieted a warning from clang-3.8 in pngtrans.c.
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Quieted 74 (out of 288) -Wconversion compiler warnings by changing
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flag definitions in pngpriv.h from 0xnnnn to 0xnnnnU.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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164
pngpriv.h
164
pngpriv.h
@ -1,7 +1,7 @@
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/* pngpriv.h - private declarations for use inside libpng
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*
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* Last changed in libpng 1.6.25 [September 1, 2016]
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* Last changed in libpng 1.6.26 [(PENDING RELEASE)]
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* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -550,92 +550,92 @@
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* are defined in png.h because they need to be visible to applications
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* that call png_set_unknown_chunk().
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*/
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/* #define PNG_HAVE_IHDR 0x01 (defined in png.h) */
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/* #define PNG_HAVE_PLTE 0x02 (defined in png.h) */
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#define PNG_HAVE_IDAT 0x04
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/* #define PNG_AFTER_IDAT 0x08 (defined in png.h) */
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#define PNG_HAVE_IEND 0x10
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/* 0x20 (unused) */
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/* 0x40 (unused) */
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/* 0x80 (unused) */
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#define PNG_HAVE_CHUNK_HEADER 0x100
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#define PNG_WROTE_tIME 0x200
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#define PNG_WROTE_INFO_BEFORE_PLTE 0x400
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#define PNG_BACKGROUND_IS_GRAY 0x800
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#define PNG_HAVE_PNG_SIGNATURE 0x1000
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#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
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/* 0x4000 (unused) */
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#define PNG_IS_READ_STRUCT 0x8000 /* Else is a write struct */
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/* #define PNG_HAVE_IHDR 0x01U (defined in png.h) */
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/* #define PNG_HAVE_PLTE 0x02U (defined in png.h) */
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#define PNG_HAVE_IDAT 0x04U
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/* #define PNG_AFTER_IDAT 0x08U (defined in png.h) */
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#define PNG_HAVE_IEND 0x10U
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/* 0x20U (unused) */
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/* 0x40U (unused) */
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/* 0x80U (unused) */
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#define PNG_HAVE_CHUNK_HEADER 0x100U
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#define PNG_WROTE_tIME 0x200U
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#define PNG_WROTE_INFO_BEFORE_PLTE 0x400U
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#define PNG_BACKGROUND_IS_GRAY 0x800U
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#define PNG_HAVE_PNG_SIGNATURE 0x1000U
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#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */
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/* 0x4000U (unused) */
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#define PNG_IS_READ_STRUCT 0x8000U /* Else is a write struct */
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/* Flags for the transformations the PNG library does on the image data */
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#define PNG_BGR 0x0001
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#define PNG_INTERLACE 0x0002
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#define PNG_PACK 0x0004
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#define PNG_SHIFT 0x0008
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#define PNG_SWAP_BYTES 0x0010
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#define PNG_INVERT_MONO 0x0020
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#define PNG_QUANTIZE 0x0040
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#define PNG_COMPOSE 0x0080 /* Was PNG_BACKGROUND */
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#define PNG_BACKGROUND_EXPAND 0x0100
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#define PNG_EXPAND_16 0x0200 /* Added to libpng 1.5.2 */
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#define PNG_16_TO_8 0x0400 /* Becomes 'chop' in 1.5.4 */
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#define PNG_RGBA 0x0800
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#define PNG_EXPAND 0x1000
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#define PNG_GAMMA 0x2000
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#define PNG_GRAY_TO_RGB 0x4000
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#define PNG_FILLER 0x8000
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#define PNG_PACKSWAP 0x10000
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#define PNG_SWAP_ALPHA 0x20000
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#define PNG_STRIP_ALPHA 0x40000
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#define PNG_INVERT_ALPHA 0x80000
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#define PNG_USER_TRANSFORM 0x100000
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#define PNG_RGB_TO_GRAY_ERR 0x200000
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#define PNG_RGB_TO_GRAY_WARN 0x400000
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#define PNG_RGB_TO_GRAY 0x600000 /* two bits, RGB_TO_GRAY_ERR|WARN */
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#define PNG_ENCODE_ALPHA 0x800000 /* Added to libpng-1.5.4 */
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#define PNG_ADD_ALPHA 0x1000000 /* Added to libpng-1.2.7 */
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#define PNG_EXPAND_tRNS 0x2000000 /* Added to libpng-1.2.9 */
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#define PNG_SCALE_16_TO_8 0x4000000 /* Added to libpng-1.5.4 */
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/* 0x8000000 unused */
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/* 0x10000000 unused */
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/* 0x20000000 unused */
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/* 0x40000000 unused */
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#define PNG_BGR 0x0001U
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#define PNG_INTERLACE 0x0002U
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#define PNG_PACK 0x0004U
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#define PNG_SHIFT 0x0008U
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#define PNG_SWAP_BYTES 0x0010U
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#define PNG_INVERT_MONO 0x0020U
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#define PNG_QUANTIZE 0x0040U
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#define PNG_COMPOSE 0x0080U /* Was PNG_BACKGROUND */
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#define PNG_BACKGROUND_EXPAND 0x0100U
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#define PNG_EXPAND_16 0x0200U /* Added to libpng 1.5.2 */
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#define PNG_16_TO_8 0x0400U /* Becomes 'chop' in 1.5.4 */
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#define PNG_RGBA 0x0800U
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#define PNG_EXPAND 0x1000U
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#define PNG_GAMMA 0x2000U
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#define PNG_GRAY_TO_RGB 0x4000U
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#define PNG_FILLER 0x8000U
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#define PNG_PACKSWAP 0x10000U
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#define PNG_SWAP_ALPHA 0x20000U
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#define PNG_STRIP_ALPHA 0x40000U
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#define PNG_INVERT_ALPHA 0x80000U
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#define PNG_USER_TRANSFORM 0x100000U
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#define PNG_RGB_TO_GRAY_ERR 0x200000U
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#define PNG_RGB_TO_GRAY_WARN 0x400000U
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#define PNG_RGB_TO_GRAY 0x600000U /* two bits, RGB_TO_GRAY_ERR|WARN */
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#define PNG_ENCODE_ALPHA 0x800000U /* Added to libpng-1.5.4 */
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#define PNG_ADD_ALPHA 0x1000000U /* Added to libpng-1.2.7 */
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#define PNG_EXPAND_tRNS 0x2000000U /* Added to libpng-1.2.9 */
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#define PNG_SCALE_16_TO_8 0x4000000U /* Added to libpng-1.5.4 */
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/* 0x8000000U unused */
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/* 0x10000000U unused */
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/* 0x20000000U unused */
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/* 0x40000000U unused */
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/* Flags for png_create_struct */
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#define PNG_STRUCT_PNG 0x0001
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#define PNG_STRUCT_INFO 0x0002
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#define PNG_STRUCT_PNG 0x0001U
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#define PNG_STRUCT_INFO 0x0002U
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/* Flags for the png_ptr->flags rather than declaring a byte for each one */
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#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001
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#define PNG_FLAG_ZSTREAM_INITIALIZED 0x0002 /* Added to libpng-1.6.0 */
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/* 0x0004 unused */
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#define PNG_FLAG_ZSTREAM_ENDED 0x0008 /* Added to libpng-1.6.0 */
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/* 0x0010 unused */
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/* 0x0020 unused */
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#define PNG_FLAG_ROW_INIT 0x0040
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#define PNG_FLAG_FILLER_AFTER 0x0080
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#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100
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#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200
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#define PNG_FLAG_CRC_CRITICAL_USE 0x0400
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#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800
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#define PNG_FLAG_ASSUME_sRGB 0x1000 /* Added to libpng-1.5.4 */
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#define PNG_FLAG_OPTIMIZE_ALPHA 0x2000 /* Added to libpng-1.5.4 */
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#define PNG_FLAG_DETECT_UNINITIALIZED 0x4000 /* Added to libpng-1.5.4 */
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/* #define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000 */
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/* #define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000 */
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#define PNG_FLAG_LIBRARY_MISMATCH 0x20000
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#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000
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#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000
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#define PNG_FLAG_BENIGN_ERRORS_WARN 0x100000 /* Added to libpng-1.4.0 */
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#define PNG_FLAG_APP_WARNINGS_WARN 0x200000 /* Added to libpng-1.6.0 */
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#define PNG_FLAG_APP_ERRORS_WARN 0x400000 /* Added to libpng-1.6.0 */
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/* 0x800000 unused */
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/* 0x1000000 unused */
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/* 0x2000000 unused */
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/* 0x4000000 unused */
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/* 0x8000000 unused */
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/* 0x10000000 unused */
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/* 0x20000000 unused */
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/* 0x40000000 unused */
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#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001U
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#define PNG_FLAG_ZSTREAM_INITIALIZED 0x0002U /* Added to libpng-1.6.0 */
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/* 0x0004U unused */
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#define PNG_FLAG_ZSTREAM_ENDED 0x0008U /* Added to libpng-1.6.0 */
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/* 0x0010U unused */
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/* 0x0020U unused */
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#define PNG_FLAG_ROW_INIT 0x0040U
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#define PNG_FLAG_FILLER_AFTER 0x0080U
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#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100U
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#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200U
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#define PNG_FLAG_CRC_CRITICAL_USE 0x0400U
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#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800U
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#define PNG_FLAG_ASSUME_sRGB 0x1000U /* Added to libpng-1.5.4 */
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#define PNG_FLAG_OPTIMIZE_ALPHA 0x2000U /* Added to libpng-1.5.4 */
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#define PNG_FLAG_DETECT_UNINITIALIZED 0x4000U /* Added to libpng-1.5.4 */
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/* #define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000U */
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/* #define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000U */
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#define PNG_FLAG_LIBRARY_MISMATCH 0x20000U
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#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000U
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#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000U
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#define PNG_FLAG_BENIGN_ERRORS_WARN 0x100000U /* Added to libpng-1.4.0 */
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#define PNG_FLAG_APP_WARNINGS_WARN 0x200000U /* Added to libpng-1.6.0 */
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#define PNG_FLAG_APP_ERRORS_WARN 0x400000U /* Added to libpng-1.6.0 */
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/* 0x800000U unused */
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/* 0x1000000U unused */
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/* 0x2000000U unused */
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/* 0x4000000U unused */
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/* 0x8000000U unused */
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/* 0x10000000U unused */
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/* 0x20000000U unused */
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/* 0x40000000U unused */
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#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \
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PNG_FLAG_CRC_ANCILLARY_NOWARN)
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