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Imported from libpng-1.2.2beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2002-02-23 18:55:25 -06:00
parent 9c0f094b21
commit c6de22da1d
56 changed files with 530 additions and 337 deletions
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8
pngget.c
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@@ -1,9 +1,9 @@
/* pngget.c - retrieval of values from info struct
*
* libpng 1.2.2beta1 - February 22, 2002
* libpng 1.2.2beta2 - February 24, 2002
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2001 Glenn Randers-Pehrson
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*/
@@ -566,6 +566,10 @@ png_get_IHDR(png_structp png_ptr, png_infop info_ptr,
channels++;
pixel_depth = *bit_depth * channels;
rowbytes_per_pixel = (pixel_depth + 7) >> 3;
if (width == 0 || *width > PNG_MAX_UINT)
png_error(png_ptr, "Invalid image width");
if (height == 0 || *height > PNG_MAX_UINT)
png_error(png_ptr, "Invalid image height");
if ((*width > PNG_MAX_UINT/rowbytes_per_pixel))
{
png_warning(png_ptr,