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[libpng17] Removed a redundant test in png_set_IHDR().

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This commit is contained in:
Glenn Randers-Pehrson 2013-06-04 15:09:06 -05:00
parent 3c051ee282
commit 4c9168875b
3 changed files with 6 additions and 13 deletions
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5
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.7.0beta14 - May 13, 2013
Libpng 1.7.0beta14 - June 4, 2013
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -304,7 +304,8 @@ Version 1.7.0beta13 [May 12, 2013]
Added information in the documentation about problems with and fixes for
the bad CRC and bad iTXt chunk situations.
Version 1.7.0beta14 [May 13, 2013]
Version 1.7.0beta14 [June 4, 2013]
Removed a redundant test in png_set_IHDR().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

3
CHANGES
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@ -4592,7 +4592,8 @@ Version 1.7.0beta13 [May 12, 2013]
Added information in the documentation about problems with and fixes for
the bad CRC and bad iTXt chunk situations.
Version 1.7.0beta14 [May 13, 2013]
Version 1.7.0beta14 [June 4, 2013]
Removed a redundant test in png_set_IHDR().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

11
pngset.c
View File

@ -238,16 +238,7 @@ png_set_IHDR(png_const_structrp png_ptr, png_inforp info_ptr,
info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
/* Check for potential overflow */
if (width >
(PNG_UINT_32_MAX >> 3) /* 8-byte RRGGBBAA pixels */
- 48 /* bigrowbuf hack */
- 1 /* filter byte */
- 7*8 /* rounding of width to multiple of 8 pixels */
- 8) /* extra max_pixel_depth pad */
info_ptr->rowbytes = 0;
else
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
}
#ifdef PNG_oFFs_SUPPORTED