In message: <20100811.023235.13138059....@allbsd.org>
Hiroki Sato <h...@freebsd.org> writes:
: Oliver Fromme <o...@fromme.com> wrote
: in <201008101623.o7agns7i042...@haluter.fromme.com>:
:
: ol> -static int validate(struct sockaddr *, const char *);
: ol> -static void unmapped(struct sockaddr *);
: ol> +static int validate(struct sockaddr_storage *, const char *);
: ol> +static void unmapped(struct sockaddr_storage *);
:
: Why is s/struct sockaddr */struct sockaddr_storage */ needed here?
: Using (struct sockaddr *) as an argument looks reasonable to me since
: the struct sockaddr_storage is mostly for memory allocation, not for
: access via pointer.
Because struct sockaddr * has a too loose alignment requirement for
later casting, while sockaddr_storage has the proper alignment.
Warner
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