crypto/bio/bss_bio.c

98 static int bio_read(BIO *bio, char *buf, int size);
136 	size_t size;
137 	char *buf;      /* "size" elements (if != NULL) */
142 	                 * never more than buffer space (size-len) warrants. */
154 	b->size = 17*1024; /* enough for one TLS record (just a default) */
189 	size_t size = size_;
207 	if (buf == NULL || size == 0)
217 			if (size <= peer_b->size)
218 				peer_b->request = size;
222 				peer_b->request = peer_b->size;
228 	if (peer_b->len < size)
229 		size = peer_b->len;
231 	/* now read "size" bytes */
233 	rest = size;
241 		if (peer_b->offset + rest <= peer_b->size)
245 			chunk = peer_b->size - peer_b->offset;
246 		assert(peer_b->offset + chunk <= peer_b->size);
254 			assert(peer_b->offset <= peer_b->size);
255 			if (peer_b->offset == peer_b->size)
269 	return size;
308 	if (peer_b->size < peer_b->offset + num)
310 		num = peer_b->size - peer_b->offset;
341 		assert(peer_b->offset <= peer_b->size);
342 		if (peer_b->offset == peer_b->size)
376 	assert(b->len <= b->size);
378 	if (b->len == b->size)
385 	if (num > b->size - b->len)
386 		num = b->size - b->len;
398 		assert(b->len + rest <= b->size);
401 		if (write_offset >= b->size)
402 			write_offset -= b->size;
405 		if (write_offset + rest <= b->size)
409 			chunk = b->size - write_offset;
415 		assert(b->len <= b->size);
454 	assert(b->len <= b->size);
456 	if (b->len == b->size)
462 	num = b->size - b->len;
464 	if (write_offset >= b->size)
465 		write_offset -= b->size;
466 	if (write_offset + num > b->size)
470 		num = b->size - write_offset;
474 	assert(write_offset + num <= b->size);
497 	assert(b->len <= b->size);
529 			if (b->size != new_size)
536 				b->size = new_size;
543 		ret = (long) b->size;
570 			ret = (long) b->size - b->len;
666 		other_b->size = b->size;
722 		b1->buf = OPENSSL_malloc(b1->size);
734 		b2->buf = OPENSSL_malloc(b2->size);