27  * SPDX-License-Identifier: MIT
50 static size_t hostent_nalias(const struct hostent *host)  in hostent_nalias()  argument
53   for (i=0; host->h_aliases != NULL && host->h_aliases[i] != NULL; i++)  in hostent_nalias()
64   for (cname = ai->cnames; cname != NULL; cname=cname->next) {  in ai_nalias()
71 static size_t hostent_naddr(const struct hostent *host)  in hostent_naddr()  argument
74   for (i=0; host->h_addr_list != NULL && host->h_addr_list[i] != NULL; i++)  in hostent_naddr()
85   for (node = ai->nodes; node != NULL; node=node->ai_next) {  in ai_naddr()
86     if (af != AF_UNSPEC && af != node->ai_family)  in ai_naddr()
95                                     struct hostent **host)  in ares_addrinfo2hostent()  argument
106   if (ai == NULL || host == NULL) {  in ares_addrinfo2hostent()
110   /* Use either the host set in the passed in hosts to be filled in, or the  in ares_addrinfo2hostent()
115     if (*host != NULL && (*host)->h_addrtype != AF_UNSPEC) {  in ares_addrinfo2hostent()
116       family = (*host)->h_addrtype;  in ares_addrinfo2hostent()
117     } else if (ai->nodes != NULL) {  in ares_addrinfo2hostent()
118       family = ai->nodes->ai_family;  in ares_addrinfo2hostent()
126   if (*host == NULL) {  in ares_addrinfo2hostent()
127     *host = ares_malloc_zero(sizeof(**host));  in ares_addrinfo2hostent()
128     if (!(*host)) {  in ares_addrinfo2hostent()
133   (*host)->h_addrtype = (HOSTENT_ADDRTYPE_TYPE)family;  in ares_addrinfo2hostent()
135     (*host)->h_length = sizeof(struct in_addr);  in ares_addrinfo2hostent()
137     (*host)->h_length = sizeof(struct ares_in6_addr);  in ares_addrinfo2hostent()
140   if ((*host)->h_name == NULL) {  in ares_addrinfo2hostent()
141     if (ai->cnames) {  in ares_addrinfo2hostent()
142       (*host)->h_name = ares_strdup(ai->cnames->name);  in ares_addrinfo2hostent()
143       if ((*host)->h_name == NULL && ai->cnames->name) {  in ares_addrinfo2hostent()
147       (*host)->h_name = ares_strdup(ai->name);  in ares_addrinfo2hostent()
148       if ((*host)->h_name == NULL && ai->name) {  in ares_addrinfo2hostent()
155   ealiases = hostent_nalias(*host);  in ares_addrinfo2hostent()
156   aliases  = ares_realloc_zero((*host)->h_aliases,  in ares_addrinfo2hostent()
162   (*host)->h_aliases = aliases;  in ares_addrinfo2hostent()
167     for (cname = ai->cnames; cname != NULL; cname = cname->next) {  in ares_addrinfo2hostent()
168       if (cname->alias == NULL) {  in ares_addrinfo2hostent()
171       (*host)->h_aliases[i] = ares_strdup(cname->alias);  in ares_addrinfo2hostent()
172       if ((*host)->h_aliases[i] == NULL) {  in ares_addrinfo2hostent()
180   eaddrs = hostent_naddr(*host);  in ares_addrinfo2hostent()
181   addrs  = ares_realloc_zero((*host)->h_addr_list, eaddrs * sizeof(char *),  in ares_addrinfo2hostent()
186   (*host)->h_addr_list = addrs;  in ares_addrinfo2hostent()
190     for (next = ai->nodes; next != NULL; next = next->ai_next) {  in ares_addrinfo2hostent()
191       if (next->ai_family != family) {  in ares_addrinfo2hostent()
194       (*host)->h_addr_list[i] = ares_malloc_zero((size_t)(*host)->h_length);  in ares_addrinfo2hostent()
195       if ((*host)->h_addr_list[i] == NULL) {  in ares_addrinfo2hostent()
199         memcpy((*host)->h_addr_list[i],  in ares_addrinfo2hostent()
200                &(CARES_INADDR_CAST(const struct sockaddr_in6 *, next->ai_addr)  in ares_addrinfo2hostent()
201                    ->sin6_addr),  in ares_addrinfo2hostent()
202                (size_t)(*host)->h_length);  in ares_addrinfo2hostent()
205         memcpy((*host)->h_addr_list[i],  in ares_addrinfo2hostent()
206                &(CARES_INADDR_CAST(const struct sockaddr_in *, next->ai_addr)  in ares_addrinfo2hostent()
207                    ->sin_addr),  in ares_addrinfo2hostent()
208                (size_t)(*host)->h_length);  in ares_addrinfo2hostent()
215     ares_free_hostent(*host);  in ares_addrinfo2hostent()
216     *host = NULL;  in ares_addrinfo2hostent()
224   ares_free_hostent(*host);  in ares_addrinfo2hostent()
225   *host = NULL;  in ares_addrinfo2hostent()
262   next_cname = ai->cnames;  in ares_addrinfo2addrttl()
264     if (next_cname->ttl < cname_ttl) {  in ares_addrinfo2addrttl()
265       cname_ttl = next_cname->ttl;  in ares_addrinfo2addrttl()
267     next_cname = next_cname->next;  in ares_addrinfo2addrttl()
270   for (next = ai->nodes; next != NULL; next = next->ai_next) {  in ares_addrinfo2addrttl()
271     if (next->ai_family != family) {  in ares_addrinfo2addrttl()
280       if (next->ai_ttl > cname_ttl) {  in ares_addrinfo2addrttl()
283         addr6ttls[*naddrttls].ttl = next->ai_ttl;  in ares_addrinfo2addrttl()
287              &(CARES_INADDR_CAST(const struct sockaddr_in6 *, next->ai_addr)  in ares_addrinfo2addrttl()
288                  ->sin6_addr),  in ares_addrinfo2addrttl()
291       if (next->ai_ttl > cname_ttl) {  in ares_addrinfo2addrttl()
294         addrttls[*naddrttls].ttl = next->ai_ttl;  in ares_addrinfo2addrttl()
297              &(CARES_INADDR_CAST(const struct sockaddr_in *, next->ai_addr)  in ares_addrinfo2addrttl()
298                  ->sin_addr),  in ares_addrinfo2addrttl()