diff options
| author | Glenn Randers-Pehrson <glennrp@shaggy.simplesystems.org> | 2009-05-16 07:32:28 -0500 |
|---|---|---|
| committer | Glenn Randers-Pehrson <glennrp@shaggy.simplesystems.org> | 2009-05-16 07:32:28 -0500 |
| commit | ee59a9f9f01ecc319ba33b561662b29a4af2abad (patch) | |
| tree | a496b419a76f409a91b8b9e13112ec691594d408 /pngpread.c | |
| parent | 7654682c2599da41294ba976294f713df7e0089e (diff) | |
| download | libpng-ee59a9f9f01ecc319ba33b561662b29a4af2abad.tar.gz | |
Set png_ptr->old_prev_row_size=0 in pngpread.c and pngrutil.c
This forces the prev_row array to be cleared before the first
row of each image and interlace pass.
Diffstat (limited to 'pngpread.c')
| -rw-r--r-- | pngpread.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/pngpread.c b/pngpread.c index c12743515..1cb036db7 100644 --- a/pngpread.c +++ b/pngpread.c @@ -1110,11 +1110,12 @@ png_read_push_finish_row(png_structp png_ptr) if (png_ptr->row_number < png_ptr->num_rows) return; + png_ptr->old_prev_row_size = 0; /* Force prev_row to be cleared */ + +#if defined(PNG_READ_INTERLACING_SUPPORTED) if (png_ptr->interlaced) { png_ptr->row_number = 0; - png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); - do { 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); } +#endif /* PNG_READ_INTERLACING_SUPPORTED */ } #if defined(PNG_READ_tEXt_SUPPORTED) |