[libpng16] Only warn about image too wide if warning not already issued.

This commit is contained in:
Glenn Randers-Pehrson 2014-01-08 11:58:49 -06:00
parent b94db2eb34
commit bef206b0a8

6
png.c
View File

@ -773,13 +773,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else #else
# ifdef __STDC__ # ifdef __STDC__
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.9beta03 - January 7, 2014" PNG_STRING_NEWLINE \ "libpng version 1.6.9beta03 - January 8, 2014" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE; PNG_STRING_NEWLINE;
# else # else
return "libpng version 1.6.9beta03 - January 7, 2014\ return "libpng version 1.6.9beta03 - January 8, 2014\
Copyright (c) 1998-2014 Glenn Randers-Pehrson\ Copyright (c) 1998-2014 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."; Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -2473,7 +2473,7 @@ png_check_IHDR(png_const_structrp png_ptr,
error = 1; error = 1;
} }
if (width > (PNG_UINT_32_MAX if (error == 0 && width > (PNG_UINT_32_MAX
>> 3) /* 8-byte RGBA pixels */ >> 3) /* 8-byte RGBA pixels */
- 48 /* bigrowbuf hack */ - 48 /* bigrowbuf hack */
- 1 /* filter byte */ - 1 /* filter byte */