static jdns_string_t *string_tolower(const jdns_string_t *in)
{
int n;
jdns_string_t *out = jdns_string_copy(in);
for(n = 0; n < out->size; ++n)
out->data[n] = tolower(out->data[n]);
return out;
}
jdns_packet_label_t *jdns_packet_label_copy(const jdns_packet_label_t *a)
{
jdns_packet_label_t *c = jdns_packet_label_new();
c->offset = a->offset;
if(a->value)
c->value = jdns_string_copy(a->value);
return c;
}
void jdns_packet_resource_add_name(jdns_packet_resource_t *a, const jdns_string_t *name)
{
jdns_packet_write_t *write = jdns_packet_write_new();
write->type = JDNS_PACKET_WRITE_NAME;
write->value = jdns_string_copy(name);
jdns_list_insert_value(a->writelog, write, -1);
jdns_packet_write_delete(write);
}
jdns_packet_write_t *jdns_packet_write_copy(const jdns_packet_write_t *a)
{
jdns_packet_write_t *c = jdns_packet_write_new();
c->type = a->type;
if(a->value)
c->value = jdns_string_copy(a->value);
return c;
}
jdns_packet_question_t *jdns_packet_question_copy(const jdns_packet_question_t *a)
{
jdns_packet_question_t *c = jdns_packet_question_new();
if(a->qname)
c->qname = jdns_string_copy(a->qname);
c->qtype = a->qtype;
c->qclass = a->qclass;
return c;
}
jdns_packet_resource_t *jdns_packet_resource_copy(const jdns_packet_resource_t *a)
{
jdns_packet_resource_t *c = jdns_packet_resource_new();
if(a->qname)
c->qname = jdns_string_copy(a->qname);
c->qtype = a->qtype;
c->qclass = a->qclass;
c->ttl = a->ttl;
c->rdlength = a->rdlength;
c->rdata = jdns_copy_array(a->rdata, a->rdlength);
jdns_list_delete(c->writelog);
c->writelog = jdns_list_copy(a->writelog);
return c;
}
static jdns_dnshostlist_t *read_hosts_file(const char *path)
{
jdns_dnshostlist_t *out;
FILE *f;
out = jdns_dnshostlist_new();
f = jdns_fopen(path, "r");
if(!f)
return out;
while(1)
{
jdns_string_t *line, *simp;
jdns_stringlist_t *parts;
jdns_address_t *addr;
int n;
line = file_nextline(f);
if(!line)
break;
// truncate at comment
n = string_indexOf(line, '#', 0);
if(n != -1)
{
line->size = n;
line->data[n] = 0;
}
simp = string_simplify(line);
jdns_string_delete(line);
parts = string_split(simp, ' ');
jdns_string_delete(simp);
if(parts->count < 2)
{
jdns_stringlist_delete(parts);
continue;
}
addr = jdns_address_new();
if(!jdns_address_set_cstr(addr, (const char *)parts->item[0]->data))
{
jdns_address_delete(addr);
jdns_stringlist_delete(parts);
continue;
}
for(n = 1; n < parts->count; ++n)
{
jdns_dnshost_t *h = jdns_dnshost_new();
h->name = jdns_string_copy(parts->item[n]);
h->address = jdns_address_copy(addr);
jdns_dnshostlist_append(out, h);
jdns_dnshost_delete(h);
}
jdns_address_delete(addr);
jdns_stringlist_delete(parts);
}
fclose(f);
return out;
}
