Re: [png-mng-implement] pngvcrd: unneeded runtime writes of constants

[Greg R. <ne...@po...>]

> --- libpng-1.2.18/pngvcrd.c.original	2007-05-15 19:52:25.000000000 -0400
> +++ libpng-1.2.18/pngvcrd.c	2007-05-27 23:20:15.000000000 -0400
> @@ -30,6 +30,9 @@
>  #if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD)
>  
>  static int mmx_supported=2;
> +#ifdef PNG_USE_LOCAL_ARRAYS
> +static PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
> +#endif

> This seems to be adding a GLOBAL array, not a LOCAL one.  That would
> interfere with thread safety.

Static means local (!= automatic).

Greg