[CFR] correct type of addrinfo.ai_addrlen and netent.n_net

Dag-Erling Smørgrav des at des.no
Tue May 31 12:09:09 PDT 2005

Warner Losh <imp at bsdimp.com> writes:
> Dag-Erling Smørgrav <des at des.no> writes:
> > What do we gain from removing the padding?  Is there even a single
> > practical benefit to doing so?
> It is for posix compatibility.

Nonsense.  POSIX does not forbid padding or additional structure
members.  The exact wording is:

> The <netdb.h> header shall define the addrinfo structure that includes
> at least the following members:
> int               ai_flags      Input flags.
> int               ai_family     Address family of socket.
> int               ai_socktype   Socket type.
> int               ai_protocol   Protocol of socket.
> socklen_t         ai_addrlen    Length of socket address.
> struct sockaddr  *ai_addr       Socket address of socket.
> char             *ai_canonname  Canonical name of service location.
> struct addrinfo  *ai_next       Pointer to next in list.

Dag-Erling Smørgrav - des at des.no

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