[riot-notifications] [RIOT] universal_addresses: configure sizes according to the used modules (#3658)

[Cenk Gündoğan]

> @@ -28,7 +28,18 @@ extern "C" {
>  #include <stdint.h>
>  #include <stdlib.h>
>  
> -#define UNIVERSAL_ADDRESS_SIZE (16)         /**< size of the used addresses in bytes */
> +/** @brief  size of the used addresses in bytes */
> +/* determine the widest possible address type */
> +#ifndef UNIVERSAL_ADDRESS_SIZE
> +#define UNIVERSAL_ADDRESS_SIZE (0)       /* rather senseless default, should
> +                                            trigger warnings */
> +#endif
> +
> +/* IPv6 address has 128 bit -> 16 bytes */
> +#if defined(MODULE_GNRC_IPV6) && ((IPV6_ADDR_BIT_LEN >> 3) > UNIVERSAL_ADDRESS_SIZE)

to be more GNRC agnostic: you could use `MODULE_IPV6_ADDR` here instead.

---
Reply to this email directly or view it on GitHub:
https://github.com/RIOT-OS/RIOT/pull/3658/files#r38750090
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