[PATCH 4/5] include: Add wmemmove to wchar.h

[Dmitry Timoshkov]

Alex Henrie <alexhenrie24 at gmail.com> wrote:

> +static inline wchar_t* __cdecl wmemmove(wchar_t *dst, const wchar_t *src, size_t n)
> +{
> +    size_t i;
> +    if (dst <= src) return wmemcpy(dst, src, n);
> +    for (i = 1; i <= n; i++)
> +        dst[n - i] = src[n - i];
> +    return dst;
> +}

The optimization with wmemcpy() looks arbitrary and not safe. Why not
simply call memmove(dst, src, n * sizeof(wchar_t)) ?

Shouldn't wmemcpy() implementation also simply call memcpy() in a similar
way?

-- 
Dmitry.