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Undo mistakes in porting png_memset() calls from libpng-1.2.37beta02

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Glenn Randers-Pehrson 2009-05-18 15:52:01 -05:00
parent 0ab7868d8a
commit a31c74f7ef
2 changed files with 7 additions and 3 deletions
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8
pngpread.c
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@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode /* pngpread.c - read a png file in push mode
* *
* Last changed in libpng 1.4.0 [May 16, 2009] * Last changed in libpng 1.4.0 [May 18, 2009]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson * Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1110,11 +1110,12 @@ png_read_push_finish_row(png_structp png_ptr)
if (png_ptr->row_number < png_ptr->num_rows) if (png_ptr->row_number < png_ptr->num_rows)
return; return;
#if defined(PNG_READ_INTERLACING_SUPPORTED)
if (png_ptr->interlaced) if (png_ptr->interlaced)
{ {
png_ptr->row_number = 0; png_ptr->row_number = 0;
png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); png_memset(png_ptr->prev_row, 0,
png_ptr->rowbytes + 1);
do do
{ {
png_ptr->pass++; png_ptr->pass++;
@ -1147,6 +1148,7 @@ png_read_push_finish_row(png_structp png_ptr)
} while (png_ptr->iwidth == 0 || png_ptr->num_rows == 0); } while (png_ptr->iwidth == 0 || png_ptr->num_rows == 0);
} }
#endif /* PNG_READ_INTERLACING_SUPPORTED */
} }
#if defined(PNG_READ_tEXt_SUPPORTED) #if defined(PNG_READ_tEXt_SUPPORTED)

2
pngrutil.c
View File

@ -2997,6 +2997,8 @@ png_read_finish_row(png_structp png_ptr)
if (png_ptr->interlaced) if (png_ptr->interlaced)
{ {
png_ptr->row_number = 0; png_ptr->row_number = 0;
png_memset(png_ptr->prev_row, 0,
png_ptr->rowbytes + 1);
do do
{ {
png_ptr->pass++; png_ptr->pass++;