/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
typedef struct DnsAnswer DnsAnswer;
typedef struct DnsAnswerItem DnsAnswerItem;
* Note that we usually encode the empty DnsAnswer object as a simple NULL. */
typedef enum DnsAnswerFlags {
- DNS_ANSWER_AUTHENTICATED = 1, /* Item has been authenticated */
- DNS_ANSWER_CACHEABLE = 2, /* Item is subject to caching */
- DNS_ANSWER_SHARED_OWNER = 4, /* For mDNS: RRset may be owner by multiple peers */
- DNS_ANSWER_CACHE_FLUSH = 8, /* For mDNS: sets cache-flush bit in the rrclass of response records */
- DNS_ANSWER_GOODBYE = 16, /* For mDNS: item is subject to disappear */
+ DNS_ANSWER_AUTHENTICATED = 1 << 0, /* Item has been authenticated */
+ DNS_ANSWER_CACHEABLE = 1 << 1, /* Item is subject to caching */
+ DNS_ANSWER_SHARED_OWNER = 1 << 2, /* For mDNS: RRset may be owner by multiple peers */
+ DNS_ANSWER_CACHE_FLUSH = 1 << 3, /* For mDNS: sets cache-flush bit in the rrclass of response records */
+ DNS_ANSWER_GOODBYE = 1 << 4, /* For mDNS: item is subject to disappear */
} DnsAnswerFlags;
struct DnsAnswerItem {
struct DnsAnswer {
unsigned n_ref;
- unsigned n_rrs, n_allocated;
+ size_t n_rrs, n_allocated;
DnsAnswerItem items[0];
};
-DnsAnswer *dns_answer_new(unsigned n);
+DnsAnswer *dns_answer_new(size_t n);
DnsAnswer *dns_answer_ref(DnsAnswer *a);
DnsAnswer *dns_answer_unref(DnsAnswer *a);
int dns_answer_add_soa(DnsAnswer *a, const char *name, uint32_t ttl, int ifindex);
int dns_answer_match_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags *combined_flags);
-int dns_answer_contains_rr(DnsAnswer *a, DnsResourceRecord *rr, DnsAnswerFlags *combined_flags);
-int dns_answer_contains_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags *combined_flags);
int dns_answer_contains_nsec_or_nsec3(DnsAnswer *a);
int dns_answer_contains_zone_nsec3(DnsAnswer *answer, const char *zone);
void dns_answer_order_by_scope(DnsAnswer *a, bool prefer_link_local);
-int dns_answer_reserve(DnsAnswer **a, unsigned n_free);
-int dns_answer_reserve_or_clone(DnsAnswer **a, unsigned n_free);
+int dns_answer_reserve(DnsAnswer **a, size_t n_free);
+int dns_answer_reserve_or_clone(DnsAnswer **a, size_t n_free);
int dns_answer_remove_by_key(DnsAnswer **a, const DnsResourceKey *key);
int dns_answer_remove_by_rr(DnsAnswer **a, DnsResourceRecord *rr);
int dns_answer_copy_by_key(DnsAnswer **a, DnsAnswer *source, const DnsResourceKey *key, DnsAnswerFlags or_flags);
int dns_answer_move_by_key(DnsAnswer **to, DnsAnswer **from, const DnsResourceKey *key, DnsAnswerFlags or_flags);
-bool dns_answer_has_dname_for_cname(DnsAnswer *a, DnsResourceRecord *cname);
+int dns_answer_has_dname_for_cname(DnsAnswer *a, DnsResourceRecord *cname);
-static inline unsigned dns_answer_size(DnsAnswer *a) {
+static inline size_t dns_answer_size(DnsAnswer *a) {
return a ? a->n_rrs : 0;
}
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsAnswer*, dns_answer_unref);
#define _DNS_ANSWER_FOREACH(q, kk, a) \
- for (unsigned UNIQ_T(i, q) = ({ \
+ for (size_t UNIQ_T(i, q) = ({ \
(kk) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].rr : NULL; \
0; \
}); \
#define DNS_ANSWER_FOREACH(kk, a) _DNS_ANSWER_FOREACH(UNIQ, kk, a)
#define _DNS_ANSWER_FOREACH_IFINDEX(q, kk, ifi, a) \
- for (unsigned UNIQ_T(i, q) = ({ \
+ for (size_t UNIQ_T(i, q) = ({ \
(kk) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].rr : NULL; \
(ifi) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].ifindex : 0; \
0; \
#define DNS_ANSWER_FOREACH_IFINDEX(kk, ifindex, a) _DNS_ANSWER_FOREACH_IFINDEX(UNIQ, kk, ifindex, a)
#define _DNS_ANSWER_FOREACH_FLAGS(q, kk, fl, a) \
- for (unsigned UNIQ_T(i, q) = ({ \
+ for (size_t UNIQ_T(i, q) = ({ \
(kk) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].rr : NULL; \
(fl) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].flags : 0; \
0; \
#define DNS_ANSWER_FOREACH_FLAGS(kk, flags, a) _DNS_ANSWER_FOREACH_FLAGS(UNIQ, kk, flags, a)
#define _DNS_ANSWER_FOREACH_FULL(q, kk, ifi, fl, a) \
- for (unsigned UNIQ_T(i, q) = ({ \
+ for (size_t UNIQ_T(i, q) = ({ \
(kk) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].rr : NULL; \
(ifi) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].ifindex : 0; \
(fl) = ((a) && (a)->n_rrs > 0) ? (a)->items[0].flags : 0; \
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