[gnutls-devel] GnuTLS | Sockets: implement sendmsg()-like functions on Win32 (bfd453f3)

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Thu Nov 25 13:24:32 CET 2021

Evgeny Grin commented on a discussion on lib/system/sockets.c: https://gitlab.com/gnutls/gnutls/-/commit/bfd453f39cb6126e561000a711264b2535eefc36#note_743737231

>  {
>  	return send(GNUTLS_POINTER_TO_INT(ptr), data, data_size, 0);
>  }
> +
> +ssize_t
> +system_writev(gnutls_transport_ptr_t ptr, const giovec_t * iovec,
> +	      int iovec_cnt)
> +{
> +	WSABUF bufs[iovec_cnt];

Maybe a better solution would be small fixed size + malloced version for large size? This way we can avoid stack overflow in special cases.

`alloc()` on Windows has some limitations: https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/alloca?view=msvc-170

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