[libpng17] Only issue a warning about image width if an error has not already

been found in IHDR.
This commit is contained in:
Glenn Randers-Pehrson 2014-01-08 11:44:48 -06:00
parent 879d63156a
commit 4e5c80034e

6
png.c
View File

@ -696,13 +696,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.7.0beta27 - January 7, 2014" PNG_STRING_NEWLINE \
"libpng version 1.7.0beta27 - January 8, 2014" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.7.0beta27 - January 7, 2014\
return "libpng version 1.7.0beta27 - January 8, 2014\
Copyright (c) 1998-2014 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -2381,7 +2381,7 @@ png_check_IHDR(png_const_structrp png_ptr,
error = 1;
}
if (width > (PNG_UINT_32_MAX
if (error == 0 && width > (PNG_UINT_32_MAX
>> 3) /* 8-byte RGBA pixels */
- 48 /* bigrowbuf hack */
- 1 /* filter byte */