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

Lines Matching refs:hctx
136 	isc_hash_t *hctx;
154 	hctx = isc_mem_get(mctx, sizeof(isc_hash_t));
155 	if (hctx == NULL)
168 	result = isc_mutex_init(&hctx->lock);
175 	hctx->magic = HASH_MAGIC;
176 	hctx->mctx = NULL;
177 	isc_mem_attach(mctx, &hctx->mctx);
178 	hctx->initialized = ISC_FALSE;
179 	result = isc_refcount_init(&hctx->refcnt, 1);
182 	hctx->entropy = NULL;
183 	hctx->limit = limit;
184 	hctx->vectorlen = vlen;
185 	hctx->rndvector = rv;
188 		isc_entropy_attach(entropy, &hctx->entropy);
190 	*hctxp = hctx;
194 	DESTROYLOCK(&hctx->lock);
196 	isc_mem_put(mctx, hctx, sizeof(isc_hash_t));
229 isc_hash_ctxinit(isc_hash_t *hctx) {
230 	LOCK(&hctx->lock);
232 	if (hctx->initialized == ISC_TRUE)
235 	if (hctx->entropy != NULL) {
238 		result = isc_entropy_getdata(hctx->entropy,
239 					     hctx->rndvector,
240 					     (unsigned int)hctx->vectorlen,
248 		p = (unsigned char *)hctx->rndvector;
249 		for (i = 0; i < hctx->vectorlen; i += copylen, p += copylen) {
251 			if (i + sizeof(pr) <= hctx->vectorlen)
254 				copylen = hctx->vectorlen - i;
258 		INSIST(p == (unsigned char *)hctx->rndvector +
259 		       hctx->vectorlen);
262 	hctx->initialized = ISC_TRUE;
265 	UNLOCK(&hctx->lock);
276 isc_hash_ctxattach(isc_hash_t *hctx, isc_hash_t **hctxp) {
277 	REQUIRE(VALID_HASH(hctx));
280 	isc_refcount_increment(&hctx->refcnt, NULL);
281 	*hctxp = hctx;
286 	isc_hash_t *hctx;
290 	hctx = *hctxp;
293 	LOCK(&hctx->lock);
295 	isc_refcount_destroy(&hctx->refcnt);
297 	mctx = hctx->mctx;
298 	if (hctx->entropy != NULL)
299 		isc_entropy_detach(&hctx->entropy);
300 	if (hctx->rndvector != NULL)
301 		isc_mem_put(mctx, hctx->rndvector, hctx->vectorlen);
303 	UNLOCK(&hctx->lock);
305 	DESTROYLOCK(&hctx->lock);
307 	memset(hctx, 0, sizeof(isc_hash_t));
308 	isc_mem_put(mctx, hctx, sizeof(isc_hash_t));
314 	isc_hash_t *hctx;
318 	hctx = *hctxp;
320 	isc_refcount_decrement(&hctx->refcnt, &refs);
322 		destroy(&hctx);
340 hash_calc(isc_hash_t *hctx, const unsigned char *key, unsigned int keylen,
344 	hash_random_t *p = hctx->rndvector;
348 	if (hctx->initialized == ISC_FALSE)
349 		isc_hash_ctxinit(hctx);
365 isc_hash_ctxcalc(isc_hash_t *hctx, const unsigned char *key,
368 	REQUIRE(hctx != NULL && VALID_HASH(hctx));
369 	REQUIRE(keylen <= hctx->limit);
371 	return (hash_calc(hctx, key, keylen, case_sensitive));