kernel32: Add UTF-7 support. (try 4)

[Alexandre Julliard]

Alex Henrie <alexhenrie24 at gmail.com> writes:

> +    do
> +    {
> +        if (src[source_index] == 0 && srclen == -1)
> +        {
> +            if (dry_run) dest_index++; else if (write_to_w_string(dst, dstlen, &dest_index, 0)) return -1;
> +            /* when srclen=-1, terminate at the first null character found */
> +            break;
> +        }
> +        else if (src[source_index] == '+')
> +        {
> +            WCHAR byte_pair = 0;
> +            short offset = 0;
> +
> +            source_index++; /* skip the + sign */
> +
> +            if (src[source_index] == '-')
> +            {
> +                /* just a plus sign escaped as +- */
> +                if (dry_run) dest_index++; else if (write_to_w_string(dst, dstlen, &dest_index, '+')) return -1;
> +                source_index++;
> +                continue;
> +            }

You are not checking properly for the source string length. Also please
add tests for such cases.

-- 
Alexandre Julliard
julliard at winehq.org