/**
change the max # of entries sparse matrix */
static SS_INT ss_sprealloc (cs *A, SS_INT nzmax)
{
SS_INT ok, oki, okj = 1, okx = 1 ;
if (!A) return (0) ;
if (nzmax <= 0) nzmax = (SS_CSC (A)) ? (A->p [A->n]) : A->nz ;
A->i = ss_realloc (A->i, nzmax, sizeof (SS_INT), &oki) ;
if (SS_TRIPLET (A)) A->p = ss_realloc (A->p, nzmax, sizeof (SS_INT), &okj) ;
if (A->x) A->x = ss_realloc (A->x, nzmax, sizeof (SS_ENTRY), &okx) ;
ok = (oki && okj && okx) ;
if (ok) A->nzmax = nzmax ;
return (ok) ;
}
int brealloc(buffer_t *ptr, size_t len, size_t capacity)
{
if (ptr == NULL)
return -1;
size_t real_capacity = max(len, capacity);
if (ptr->capacity < real_capacity) {
ptr->array = ss_realloc(ptr->array, real_capacity);
ptr->capacity = real_capacity;
}
return real_capacity;
}
static void
ssa_realloc(void)
{
ssa a;
ss_aopen(&a, &ss_stda);
void *buf = ss_malloc(&a, 123);
t( buf != NULL );
buf = ss_realloc(&a, buf, 321);
t( buf != NULL );
ss_free(&a, buf);
ss_aclose(&a);
}
static void
dns_query_v6_cb(struct dns_ctx *ctx, struct dns_rr_a6 *result, void *data)
{
struct ResolvQuery *cb_data = (struct ResolvQuery *)data;
if (result == NULL) {
if (verbose) {
LOGI("IPv6 resolv: %s", dns_strerror(dns_status(ctx)));
}
} else if (result->dnsa6_nrr > 0) {
struct sockaddr **new_responses = ss_realloc(cb_data->responses,
(cb_data->response_count +
result->dnsa6_nrr) *
sizeof(struct sockaddr *));
if (new_responses == NULL) {
LOGE("Failed to allocate memory for additional DNS responses");
} else {
cb_data->responses = new_responses;
for (int i = 0; i < result->dnsa6_nrr; i++) {
struct sockaddr_in6 *sa = ss_malloc(sizeof(struct sockaddr_in6));
memset(sa, 0, sizeof(struct sockaddr_in6));
sa->sin6_family = AF_INET6;
sa->sin6_port = cb_data->port;
sa->sin6_addr = result->dnsa6_addr[i];
cb_data->responses[cb_data->response_count] =
(struct sockaddr *)sa;
if (cb_data->responses[cb_data->response_count] == NULL) {
LOGE(
"Failed to allocate memory for DNS query result address");
} else {
cb_data->response_count++;
}
}
}
}
ss_free(result);
cb_data->queries[1] = NULL; /* mark AAAA query as being completed */
/* Once all queries have completed, call client callback */
if (all_queries_are_null(cb_data)) {
return process_client_callback(cb_data);
}
}
static void
dns_query_v6_cb(void *arg, int status, int timeouts, struct hostent *he)
{
int i, n;
struct resolv_query *query = (struct resolv_query *)arg;
if (status == ARES_EDESTRUCTION) {
return;
}
if (!he || status != ARES_SUCCESS) {
if (verbose) {
LOGI("failed to lookup v6 address %s", ares_strerror(status));
}
goto CLEANUP;
}
if (verbose) {
LOGI("found address name v6 address %s", he->h_name);
}
n = 0;
while (he->h_addr_list[n])
n++;
if (n > 0) {
struct sockaddr **new_responses = ss_realloc(query->responses,
(query->response_count + n)
* sizeof(struct sockaddr *));
if (new_responses == NULL) {
LOGE("failed to allocate memory for additional DNS responses");
} else {
query->responses = new_responses;
for (i = 0; i < n; i++) {
struct sockaddr_in6 *sa = ss_malloc(sizeof(struct sockaddr_in6));
memset(sa, 0, sizeof(struct sockaddr_in6));
sa->sin6_family = AF_INET6;
sa->sin6_port = query->port;
memcpy(&sa->sin6_addr, he->h_addr_list[i], he->h_length);
query->responses[query->response_count] = (struct sockaddr *)sa;
if (query->responses[query->response_count] == NULL) {
LOGE("failed to allocate memory for DNS query result address");
} else {
query->response_count++;
}
}
}
}
CLEANUP:
query->requests[1] = 0; /* mark A query as being completed */
/* Once all requests have completed, call client callback */
if (all_requests_are_null(query)) {
return process_client_callback(query);
}
}
