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sockets: New helper socket_address_crumple()

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SocketAddress is a simple union, and simple unions are awkward: they
have their variant members wrapped in a "data" object on the wire, and
require additional indirections in C.  I intend to limit its use to
existing external interfaces.  New ones should use SocketAddressFlat.
I further intend to convert all internal interfaces to
SocketAddressFlat.  This helper should go away then.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1490895797-29094-8-git-send-email-armbru@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Markus Armbruster 2017-03-30 19:43:15 +02:00 • committed by Max Reitz
parent 8bc0673f6d
commit 216411b839
2 changed files with 43 additions and 0 deletions
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11
include/qemu/sockets.h
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@ -119,4 +119,15 @@ SocketAddress *socket_remote_address(int fd, Error **errp);
*/
char *socket_address_to_string(struct SocketAddress *addr, Error **errp);
/**
* socket_address_crumple:
* @addr_flat: the socket address to crumple
*
* Convert SocketAddressFlat to SocketAddress. Caller is responsible
* for freeing with qapi_free_SocketAddress().
*
* Returns: the argument converted to SocketAddress.
*/
SocketAddress *socket_address_crumple(SocketAddressFlat *addr_flat);
#endif /* QEMU_SOCKETS_H */