123 ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {  in ns_initparse()  argument
127 	memset(handle, 0x5e, sizeof *handle);  in ns_initparse()
128 	handle->_msg = msg;  in ns_initparse()
129 	handle->_eom = eom;  in ns_initparse()
132 	NS_GET16(handle->_id, msg);  in ns_initparse()
135 	NS_GET16(handle->_flags, msg);  in ns_initparse()
139 		NS_GET16(handle->_counts[i], msg);  in ns_initparse()
142 		if (handle->_counts[i] == 0)  in ns_initparse()
143 			handle->_sections[i] = NULL;  in ns_initparse()
146 				       handle->_counts[i]);  in ns_initparse()
150 			handle->_sections[i] = msg;  in ns_initparse()
155 	handle->_sect = ns_s_max;  in ns_initparse()
156 	handle->_rrnum = -1;  in ns_initparse()
157 	handle->_msg_ptr = NULL;  in ns_initparse()
165 ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {  in ns_parserr()  argument
171 	if ((int)section != (int)handle->_sect) {  in ns_parserr()
172 		handle->_sect = section;  in ns_parserr()
173 		handle->_rrnum = 0;  in ns_parserr()
174 		handle->_msg_ptr = handle->_sections[(int)section];  in ns_parserr()
179 		rrnum = handle->_rrnum;  in ns_parserr()
180 	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])  in ns_parserr()
182 	if (rrnum < handle->_rrnum) {  in ns_parserr()
183 		handle->_rrnum = 0;  in ns_parserr()
184 		handle->_msg_ptr = handle->_sections[(int)section];  in ns_parserr()
187 	b = skiprr(handle->_msg, handle->_eom, section,  in ns_parserr()
188 		   rrnum - handle->_rrnum);  in ns_parserr()
191 	handle->_msg_ptr += b;  in ns_parserr()
192 	handle->_rrnum = rrnum;  in ns_parserr()
195 	b = dn_expand(handle->_msg, handle->_eom,  in ns_parserr()
196 		      handle->_msg_ptr, rr->name, NS_MAXDNAME);  in ns_parserr()
199 	handle->_msg_ptr += b;  in ns_parserr()
200 	if (handle->_msg_ptr + NS_INT16SZ > handle->_eom)  in ns_parserr()
202 	NS_GET16(rr->type, handle->_msg_ptr);  in ns_parserr()
203 	if (handle->_msg_ptr + NS_INT16SZ > handle->_eom)  in ns_parserr()
205 	NS_GET16(rr->rr_class, handle->_msg_ptr);  in ns_parserr()
211 		if (handle->_msg_ptr + NS_INT32SZ > handle->_eom)  in ns_parserr()
213 		NS_GET32(rr->ttl, handle->_msg_ptr);  in ns_parserr()
214 		if (handle->_msg_ptr + NS_INT16SZ > handle->_eom)  in ns_parserr()
216 		NS_GET16(rr->rdlength, handle->_msg_ptr);  in ns_parserr()
217 		if (handle->_msg_ptr + rr->rdlength > handle->_eom)  in ns_parserr()
219 		rr->rdata = handle->_msg_ptr;  in ns_parserr()
220 		handle->_msg_ptr += rr->rdlength;  in ns_parserr()
222 	handle->_rrnum++;  in ns_parserr()