Cross Reference: /bind-9.11.3/lib/isc/radix.c

Lines Matching refs:prefix
14  * Id: prefix.c,v 1.37.2.9 2000/03/10 02:53:19 labovit Exp
29 _deref_prefix(isc_prefix_t *prefix);
32 _ref_prefix(isc_mem_t *mctx, isc_prefix_t **target, isc_prefix_t *prefix);
44 	isc_prefix_t *prefix;
51 	prefix = isc_mem_get(mctx, sizeof(isc_prefix_t));
52 	if (prefix == NULL)
56 		prefix->bitlen = (bitlen >= 0) ? bitlen : 128;
57 		memmove(&prefix->add.sin6, dest, 16);
60 		prefix->bitlen = (bitlen >= 0) ? bitlen : 32;
61 		memmove(&prefix->add.sin, dest, 4);
64 	prefix->family = family;
65 	prefix->ecs = ISC_FALSE;
66 	prefix->mctx = NULL;
67 	isc_mem_attach(mctx, &prefix->mctx);
69 	isc_refcount_init(&prefix->refcount, 1);
71 	*target = prefix;
76 _deref_prefix(isc_prefix_t *prefix) {
79 	if (prefix == NULL)
82 	isc_refcount_decrement(&prefix->refcount, &refs);
85 		isc_refcount_destroy(&prefix->refcount);
86 		isc_mem_putanddetach(&prefix->mctx, prefix,
92 _ref_prefix(isc_mem_t *mctx, isc_prefix_t **target, isc_prefix_t *prefix) {
93 	INSIST(prefix != NULL);
94 	INSIST((prefix->family == AF_INET && prefix->bitlen <= 32) ||
95 	       (prefix->family == AF_INET6 && prefix->bitlen <= 128) ||
96 	       (prefix->family == AF_UNSPEC && prefix->bitlen == 0));
100 	 * If this prefix is a static allocation, copy it into new memory.
104 	if (isc_refcount_current(&prefix->refcount) == 0) {
106 		ret = _new_prefix(mctx, target, prefix->family,
107 				  &prefix->add, prefix->bitlen);
111 	isc_refcount_increment(&prefix->refcount, NULL);
113 	*target = prefix;
176 			if (Xrn->prefix != NULL) {
177 				_deref_prefix(Xrn->prefix);
217  * func will be called as func(node->prefix, node->data)
226 		func(node->prefix, node->data);
233 		 isc_prefix_t *prefix)
242 	REQUIRE(prefix != NULL);
244 	RUNTIME_CHECK(prefix->bitlen <= radix->maxbits);
253 	addr = isc_prefix_touchar(prefix);
254 	bitlen = prefix->bitlen;
257 		if (node->prefix)
269 	if (node && node->prefix)
275 		if (prefix->bitlen < node->bit)
278 		if (_comp_with_mask(isc_prefix_tochar(node->prefix),
279 				    isc_prefix_tochar(prefix),
280 				    node->prefix->bitlen))
282 			int off = ISC_RADIX_OFF(prefix);
302 		 isc_radix_node_t *source, isc_prefix_t *prefix)
312 	REQUIRE(prefix != NULL || (source != NULL && source->prefix != NULL));
313 	RUNTIME_CHECK(prefix == NULL || prefix->bitlen <= radix->maxbits);
315 	if (prefix == NULL)
316 		prefix = source->prefix;
318 	INSIST(prefix != NULL);
320 	bitlen = prefix->bitlen;
321 	fam = prefix->family;
330 		node->prefix = NULL;
331 		result = _ref_prefix(radix->mctx, &node->prefix, prefix);
362 				node->node_num[ISC_RADIX_OFF(prefix)] = next;
373 	addr = isc_prefix_touchar(prefix);
376 	while (node->bit < bitlen || node->prefix == NULL) {
392 	INSIST(node->prefix != NULL);
394 	test_addr = isc_prefix_touchar(node->prefix);
424 		if (node->prefix != NULL) {
450 					int off = ISC_RADIX_OFF(prefix);
460 					     &node->prefix, prefix);
485 				node->node_num[ISC_RADIX_OFF(prefix)] = next;
504 	new_node->prefix = NULL;
505 	result = _ref_prefix(radix->mctx, &new_node->prefix, prefix);
538 			new_node->node_num[ISC_RADIX_OFF(prefix)] = next;
580 		glue->prefix = NULL;
622 		 * make sure there is a prefix associated with it!
624 		if (node->prefix != NULL)
625 			_deref_prefix(node->prefix);
627 		node->prefix = NULL;
634 		_deref_prefix(node->prefix);
656 		if (parent->prefix)
686 	_deref_prefix(node->prefix);