> If we would
> want to get rid of this, we could define the struct as follows:
>
> struct win32_stat
> {
> union
> {
> struct _stati64;
> struct _stati64 stat;
> };
> };
>
> The union is anonymous and includes _stati64 twice: once anonymous
> and once named.
>
> This would allow us to define our win32_stat function like this:
>
> static inline int win32_stat(const char *filename_utf8, struct win32_stat
> *par)
> {
> wchar_t *filename_w;
> int ret;
> if (get_extended_win32_path(filename_utf8, &filename_w))
> return -1;
> if (!filename_w)
> goto fallback;
> ret = _wstat64(filename_w, &par->stat);
> av_free(filename_w);
> return ret;
> fallback:
> return _stat64(filename_utf8, &par->stat);
> }
>
> so it uses the ->stat member for doing the api calls while
> the calling (ffmpeg) code can use the structure as if it was the
> actual POSIX stat structure.
I'm fine with anonymous union and a rewrite of win32_stat.
But, anonymous unions are a C11 feature:
https://en.cppreference.com/w/c/language/union,
and C11 is apparently not allowed
https://ffmpeg.org/developer.html#C-language-features.
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