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[libpng17] Imported from libpng-1.7.0beta68.tar

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Glenn Randers-Pehrson
2015-11-12 07:04:17 -06:00
parent 97c4072cce
commit f72d0d01eb
16 changed files with 47 additions and 43 deletions
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20
pngpread.c
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@@ -335,11 +335,13 @@ png_push_read_unknown(png_structrp png_ptr, png_inforp info_ptr)
/* Now check the CRC, before attempting the unknown handling. */
png_calculate_crc(png_ptr, buffer, chunk_length);
png_crc_finish(png_ptr, 0);
# ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
png_handle_unknown(png_ptr, info_ptr, buffer);
png_handle_unknown(png_ptr, info_ptr, buffer);
# else /* !READ_UNKNOWN_CHUNKS */
PNG_UNUSED(info_ptr)
PNG_UNUSED(info_ptr)
# endif /* !READ_UNKNOWN_CHUNKS */
png_ptr->process_mode = png_read_chunk_header;
}
@@ -360,7 +362,7 @@ png_push_have_row(png_structrp png_ptr, png_bytep row)
* one:
*/
# ifdef PNG_READ_DEINTERLACE_SUPPORTED
if (!png_ptr->do_interlace)
if (!png_ptr->do_interlace)
# endif
{
affirm(PNG_ROW_IN_INTERLACE_PASS(row_number, pass) && row != NULL);
@@ -528,13 +530,15 @@ png_push_read_process_IDAT(png_structp png_ptr, png_bytep *bufferp,
* is handling the de-interlace; when the app does it it only
* see the real rows.
*/
# ifdef PNG_READ_DEINTERLACE_SUPPORTED
if (png_ptr->do_interlace)
{
row_buffer = png_ptr->row_buffer;
break;
}
if (png_ptr->do_interlace)
{
row_buffer = png_ptr->row_buffer;
break;
}
# endif
continue;
case png_row_skip: