56 	struct isns_req *req;  in isns_req_alloc()  local
58 	req = calloc(sizeof(struct isns_req), 1);  in isns_req_alloc()
59 	if (req == NULL) {  in isns_req_alloc()
63 	req->ir_buflen = sizeof(struct isns_hdr);  in isns_req_alloc()
64 	req->ir_usedlen = 0;  in isns_req_alloc()
65 	req->ir_buf = calloc(req->ir_buflen, 1);  in isns_req_alloc()
66 	if (req->ir_buf == NULL) {  in isns_req_alloc()
67 		free(req);  in isns_req_alloc()
71 	return (req);  in isns_req_alloc()
77 	struct isns_req *req;  in isns_req_create()  local
80 	req = isns_req_alloc();  in isns_req_create()
81 	req->ir_usedlen = sizeof(struct isns_hdr);  in isns_req_create()
82 	hdr = (struct isns_hdr *)req->ir_buf;  in isns_req_create()
86 	return (req);  in isns_req_create()
90 isns_req_free(struct isns_req *req)  in isns_req_free()  argument
93 	free(req->ir_buf);  in isns_req_free()
94 	free(req);  in isns_req_free()
98 isns_req_getspace(struct isns_req *req, uint32_t len)  in isns_req_getspace()  argument
103 	if (req->ir_usedlen + len <= req->ir_buflen)  in isns_req_getspace()
105 	newlen = 1 << flsl(req->ir_usedlen + len);  in isns_req_getspace()
106 	newbuf = realloc(req->ir_buf, newlen);  in isns_req_getspace()
111 	req->ir_buf = newbuf;  in isns_req_getspace()
112 	req->ir_buflen = newlen;  in isns_req_getspace()
117 isns_req_add(struct isns_req *req, uint32_t tag, uint32_t len,  in isns_req_add()  argument
124 	isns_req_getspace(req, sizeof(*tlv) + vlen);  in isns_req_add()
125 	tlv = (struct isns_tlv *)&req->ir_buf[req->ir_usedlen];  in isns_req_add()
131 	req->ir_usedlen += sizeof(*tlv) + vlen;  in isns_req_add()
135 isns_req_add_delim(struct isns_req *req)  in isns_req_add_delim()  argument
138 	isns_req_add(req, 0, 0, NULL);  in isns_req_add_delim()
142 isns_req_add_str(struct isns_req *req, uint32_t tag, const char *value)  in isns_req_add_str()  argument
145 	isns_req_add(req, tag, strlen(value) + 1, value);  in isns_req_add_str()
149 isns_req_add_32(struct isns_req *req, uint32_t tag, uint32_t value)  in isns_req_add_32()  argument
154 	isns_req_add(req, tag, sizeof(value), &beval);  in isns_req_add_32()
158 isns_req_add_addr(struct isns_req *req, uint32_t tag, struct addrinfo *ai)  in isns_req_add_addr()  argument
171 		isns_req_add(req, tag, sizeof(buf), buf);  in isns_req_add_addr()
175 		isns_req_add(req, tag, sizeof(in6->sin6_addr), &in6->sin6_addr);  in isns_req_add_addr()
184 isns_req_add_port(struct isns_req *req, uint32_t tag, struct addrinfo *ai)  in isns_req_add_port()  argument
194 		isns_req_add(req, tag, sizeof(buf), &buf);  in isns_req_add_port()
199 		isns_req_add(req, tag, sizeof(buf), &buf);  in isns_req_add_port()
208 isns_req_send(int s, struct isns_req *req)  in isns_req_send()  argument
213 	hdr = (struct isns_hdr *)req->ir_buf;  in isns_req_send()
214 	be16enc(hdr->ih_length, req->ir_usedlen - sizeof(*hdr));  in isns_req_send()
220 	res = write(s, req->ir_buf, req->ir_usedlen);  in isns_req_send()
225 isns_req_receive(int s, struct isns_req *req)  in isns_req_receive()  argument
230 	req->ir_usedlen = 0;  in isns_req_receive()
231 	isns_req_getspace(req, sizeof(*hdr));  in isns_req_receive()
232 	res = read(s, req->ir_buf, sizeof(*hdr));  in isns_req_receive()
235 	req->ir_usedlen = sizeof(*hdr);  in isns_req_receive()
236 	hdr = (struct isns_hdr *)req->ir_buf;  in isns_req_receive()
243 	isns_req_getspace(req, len);  in isns_req_receive()
244 	res = read(s, &req->ir_buf[req->ir_usedlen], len);  in isns_req_receive()
247 	req->ir_usedlen += len;  in isns_req_receive()
252 isns_req_get_status(struct isns_req *req)  in isns_req_get_status()  argument
255 	if (req->ir_usedlen < sizeof(struct isns_hdr) + 4)  in isns_req_get_status()
257 	return (be32dec(&req->ir_buf[sizeof(struct isns_hdr)]));  in isns_req_get_status()