[PATCH 3/3] msvcrt: Make wcstoi64 support various Unicode digits.

[Henri Verbeet]

On 13 December 2016 at 19:48, Lauri Kenttä <lauri.kentta at gmail.com> wrote:
> @@ -2027,6 +2027,19 @@ static int wctoint(WCHAR c, int base)
>          v = c - 'A' + 10;
>      else if ('a' <= c && c <= 'z')
>          v = c - 'a' + 10;
> +    else {
> +        /* Unicode points that contain digits 0-9; keep this sorted! */
> +        static const WCHAR zeros[] = {
> +            0x660, 0x6f0, 0x966, 0x9e6, 0xa66, 0xae6, 0xb66, 0xc66, 0xce6,
> +            0xd66, 0xe50, 0xed0, 0x1040, 0x17e0, 0x1810, 0xff10
> +        };
> +        int i;
> +        for (i = 0; i < sizeof(zeros)/sizeof(zeros[0]) && c >= zeros[i]; ++i) {
> +            if (zeros[i] <= c && c < zeros[i] + base) {
Using "base" here seems questionable. That would imply that e.g. with
base 16, "\x6f2\x6fa"/"۲ۺ" would return "42". Is that really the case?

For what it's worth, note also that Wine has wine_fold_string(), which
should be consistent with FoldString().