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util: Shorten references into SocketAddress

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An upcoming patch will alter how simple unions, like SocketAddress,
are laid out, which will impact all lines of the form 'addr->u.XXX'
(expanding it to the longer 'addr->u.XXX.data').  For better
legibility in that patch, and less need for line wrapping, it's better
to use a temporary variable to reduce the effect of a layout change to
just the variable initializations, rather than every reference within
a SocketAddress.  Also, take advantage of some C99 initialization where
it makes sense (simplifying g_new0() to g_new()).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1457021813-10704-7-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2016-03-03 09:16:48 -07:00 • committed by Markus Armbruster
parent f194a1ae53
commit 0399293e5b
6 changed files with 88 additions and 68 deletions
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49
qemu-char.c
View file

@ -3659,20 +3659,23 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
addr = g_new0(SocketAddress, 1);
if (path) {
UnixSocketAddress *q_unix;
addr->type = SOCKET_ADDRESS_KIND_UNIX;
addr->u.q_unix = g_new0(UnixSocketAddress, 1);
addr->u.q_unix->path = g_strdup(path);
q_unix = addr->u.q_unix = g_new0(UnixSocketAddress, 1);
q_unix->path = g_strdup(path);
} else {
addr->type = SOCKET_ADDRESS_KIND_INET;
addr->u.inet = g_new0(InetSocketAddress, 1);
addr->u.inet->host = g_strdup(host);
addr->u.inet->port = g_strdup(port);
addr->u.inet->has_to = qemu_opt_get(opts, "to");
addr->u.inet->to = qemu_opt_get_number(opts, "to", 0);
addr->u.inet->has_ipv4 = qemu_opt_get(opts, "ipv4");
addr->u.inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0);
addr->u.inet->has_ipv6 = qemu_opt_get(opts, "ipv6");
addr->u.inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0);
addr->u.inet = g_new(InetSocketAddress, 1);
*addr->u.inet = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_to = qemu_opt_get(opts, "to"),
.to = qemu_opt_get_number(opts, "to", 0),
.has_ipv4 = qemu_opt_get(opts, "ipv4"),
.ipv4 = qemu_opt_get_bool(opts, "ipv4", 0),
.has_ipv6 = qemu_opt_get(opts, "ipv6"),
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
}
sock->addr = addr;
}
@ -3711,22 +3714,26 @@ static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend,
addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_KIND_INET;
addr->u.inet = g_new0(InetSocketAddress, 1);
addr->u.inet->host = g_strdup(host);
addr->u.inet->port = g_strdup(port);
addr->u.inet->has_ipv4 = qemu_opt_get(opts, "ipv4");
addr->u.inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0);
addr->u.inet->has_ipv6 = qemu_opt_get(opts, "ipv6");
addr->u.inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0);
addr->u.inet = g_new(InetSocketAddress, 1);
*addr->u.inet = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_ipv4 = qemu_opt_get(opts, "ipv4"),
.ipv4 = qemu_opt_get_bool(opts, "ipv4", 0),
.has_ipv6 = qemu_opt_get(opts, "ipv6"),
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
udp->remote = addr;
if (has_local) {
udp->has_local = true;
addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_KIND_INET;
addr->u.inet = g_new0(InetSocketAddress, 1);
addr->u.inet->host = g_strdup(localaddr);
addr->u.inet->port = g_strdup(localport);
addr->u.inet = g_new(InetSocketAddress, 1);
*addr->u.inet = (InetSocketAddress) {
.host = g_strdup(localaddr),
.port = g_strdup(localport),
};
udp->local = addr;
}
}