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resolv: Move res_isourserver to its own file and reformat to GNU style

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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer
2021-07-19 07:55:27 +02:00
parent 9515126f90
commit 17d0407a5c
4 changed files with 135 additions and 53 deletions
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51
resolv/res_send.c
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@@ -193,57 +193,6 @@ static int sock_eq(struct sockaddr_in6 *, struct sockaddr_in6 *);
/* Public. */
/* int
* res_isourserver(ina)
* looks up "ina" in _res.ns_addr_list[]
* returns:
* 0 : not found
* >0 : found
* author:
* paul vixie, 29may94
*/
int
res_ourserver_p(const res_state statp, const struct sockaddr_in6 *inp)
{
int ns;
if (inp->sin6_family == AF_INET) {
struct sockaddr_in *in4p = (struct sockaddr_in *) inp;
in_port_t port = in4p->sin_port;
in_addr_t addr = in4p->sin_addr.s_addr;
for (ns = 0; ns < statp->nscount; ns++) {
const struct sockaddr_in *srv =
(struct sockaddr_in *) __res_get_nsaddr (statp, ns);
if ((srv->sin_family == AF_INET) &&
(srv->sin_port == port) &&
(srv->sin_addr.s_addr == INADDR_ANY ||
srv->sin_addr.s_addr == addr))
return (1);
}
} else if (inp->sin6_family == AF_INET6) {
for (ns = 0; ns < statp->nscount; ns++) {
const struct sockaddr_in6 *srv
= (struct sockaddr_in6 *) __res_get_nsaddr (statp, ns);
if ((srv->sin6_family == AF_INET6) &&
(srv->sin6_port == inp->sin6_port) &&
!(memcmp(&srv->sin6_addr, &in6addr_any,
sizeof (struct in6_addr)) &&
memcmp(&srv->sin6_addr, &inp->sin6_addr,
sizeof (struct in6_addr))))
return (1);
}
}
return (0);
}
int
res_isourserver (const struct sockaddr_in *inp)
{
return res_ourserver_p (&_res, (const struct sockaddr_in6 *) inp);
}
/* int
* res_nameinquery(name, type, class, buf, eom)
* look for (name,type,class) in the query section of packet (buf,eom)