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https://github.com/dolphin-emu/dolphin.git
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Update bundled libpng to version 1.6.37
This commit is contained in:
Admiral H. Curtiss
53
Externals/libpng/pngpread.c
vendored
53
Externals/libpng/pngpread.c
vendored
@ -1,10 +1,10 @@
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/* pngpread.c - read a png file in push mode
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*
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* Last changed in libpng 1.6.24 [August 4, 2016]
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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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* Copyright (c) 2018 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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*
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* This code is released under the libpng license.
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* For conditions of distribution and use, see the disclaimer
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@ -34,7 +34,7 @@ if (png_ptr->buffer_size < N) \
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void PNGAPI
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png_process_data(png_structrp png_ptr, png_inforp info_ptr,
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png_bytep buffer, png_size_t buffer_size)
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png_bytep buffer, size_t buffer_size)
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{
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if (png_ptr == NULL || info_ptr == NULL)
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return;
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@ -47,7 +47,7 @@ png_process_data(png_structrp png_ptr, png_inforp info_ptr,
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}
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}
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png_size_t PNGAPI
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size_t PNGAPI
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png_process_data_pause(png_structrp png_ptr, int save)
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{
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if (png_ptr != NULL)
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@ -60,7 +60,7 @@ png_process_data_pause(png_structrp png_ptr, int save)
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else
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{
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/* This includes any pending saved bytes: */
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png_size_t remaining = png_ptr->buffer_size;
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size_t remaining = png_ptr->buffer_size;
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png_ptr->buffer_size = 0;
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/* So subtract the saved buffer size, unless all the data
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@ -133,8 +133,8 @@ png_process_some_data(png_structrp png_ptr, png_inforp info_ptr)
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void /* PRIVATE */
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png_push_read_sig(png_structrp png_ptr, png_inforp info_ptr)
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{
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png_size_t num_checked = png_ptr->sig_bytes, /* SAFE, does not exceed 8 */
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num_to_check = 8 - num_checked;
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size_t num_checked = png_ptr->sig_bytes; /* SAFE, does not exceed 8 */
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size_t num_to_check = 8 - num_checked;
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if (png_ptr->buffer_size < num_to_check)
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{
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@ -189,6 +189,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
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png_crc_read(png_ptr, chunk_tag, 4);
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png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag);
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png_check_chunk_name(png_ptr, png_ptr->chunk_name);
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png_check_chunk_length(png_ptr, png_ptr->push_length);
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png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
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}
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@ -417,7 +418,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
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}
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void PNGCBAPI
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png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
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png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, size_t length)
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{
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png_bytep ptr;
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@ -427,7 +428,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
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ptr = buffer;
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if (png_ptr->save_buffer_size != 0)
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{
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png_size_t save_size;
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size_t save_size;
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if (length < png_ptr->save_buffer_size)
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save_size = length;
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@ -444,7 +445,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
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}
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if (length != 0 && png_ptr->current_buffer_size != 0)
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{
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png_size_t save_size;
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size_t save_size;
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if (length < png_ptr->current_buffer_size)
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save_size = length;
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@ -466,7 +467,7 @@ png_push_save_buffer(png_structrp png_ptr)
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{
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if (png_ptr->save_buffer_ptr != png_ptr->save_buffer)
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{
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png_size_t i, istop;
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size_t i, istop;
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png_bytep sp;
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png_bytep dp;
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@ -481,7 +482,7 @@ png_push_save_buffer(png_structrp png_ptr)
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if (png_ptr->save_buffer_size + png_ptr->current_buffer_size >
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png_ptr->save_buffer_max)
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{
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png_size_t new_max;
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size_t new_max;
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png_bytep old_buffer;
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if (png_ptr->save_buffer_size > PNG_SIZE_MAX -
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@ -493,7 +494,7 @@ png_push_save_buffer(png_structrp png_ptr)
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new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256;
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old_buffer = png_ptr->save_buffer;
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png_ptr->save_buffer = (png_bytep)png_malloc_warn(png_ptr,
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(png_size_t)new_max);
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(size_t)new_max);
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if (png_ptr->save_buffer == NULL)
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{
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@ -521,7 +522,7 @@ png_push_save_buffer(png_structrp png_ptr)
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void /* PRIVATE */
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png_push_restore_buffer(png_structrp png_ptr, png_bytep buffer,
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png_size_t buffer_length)
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size_t buffer_length)
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{
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png_ptr->current_buffer = buffer;
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png_ptr->current_buffer_size = buffer_length;
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@ -561,7 +562,7 @@ png_push_read_IDAT(png_structrp png_ptr)
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if (png_ptr->idat_size != 0 && png_ptr->save_buffer_size != 0)
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{
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png_size_t save_size = png_ptr->save_buffer_size;
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size_t save_size = png_ptr->save_buffer_size;
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png_uint_32 idat_size = png_ptr->idat_size;
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/* We want the smaller of 'idat_size' and 'current_buffer_size', but they
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@ -571,7 +572,7 @@ png_push_read_IDAT(png_structrp png_ptr)
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* will break on either 16-bit or 64-bit platforms.
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*/
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if (idat_size < save_size)
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save_size = (png_size_t)idat_size;
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save_size = (size_t)idat_size;
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else
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idat_size = (png_uint_32)save_size;
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@ -588,7 +589,7 @@ png_push_read_IDAT(png_structrp png_ptr)
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if (png_ptr->idat_size != 0 && png_ptr->current_buffer_size != 0)
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{
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png_size_t save_size = png_ptr->current_buffer_size;
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size_t save_size = png_ptr->current_buffer_size;
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png_uint_32 idat_size = png_ptr->idat_size;
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/* We want the smaller of 'idat_size' and 'current_buffer_size', but they
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@ -597,7 +598,7 @@ png_push_read_IDAT(png_structrp png_ptr)
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* larger - this cannot overflow.
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*/
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if (idat_size < save_size)
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save_size = (png_size_t)idat_size;
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save_size = (size_t)idat_size;
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else
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idat_size = (png_uint_32)save_size;
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@ -624,7 +625,7 @@ png_push_read_IDAT(png_structrp png_ptr)
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void /* PRIVATE */
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png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer,
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png_size_t buffer_length)
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size_t buffer_length)
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{
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/* The caller checks for a non-zero buffer length. */
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if (!(buffer_length > 0) || buffer == NULL)
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@ -971,20 +972,20 @@ png_read_push_finish_row(png_structrp png_ptr)
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/* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
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/* Start of interlace block */
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static PNG_CONST png_byte png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
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static const png_byte png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
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/* Offset to next interlace block */
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static PNG_CONST png_byte png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
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static const png_byte png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
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/* Start of interlace block in the y direction */
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static PNG_CONST png_byte png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
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static const png_byte png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
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/* Offset to next interlace block in the y direction */
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static PNG_CONST png_byte png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
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static const png_byte png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
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/* Height of interlace block. This is not currently used - if you need
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* it, uncomment it here and in png.h
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static PNG_CONST png_byte png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
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static const png_byte png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
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*/
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#endif
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