77 int ns_msg_getflag(ns_msg handle, int flag) {  in ns_msg_getflag()  argument
78 	return((u_int32_t)((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift);  in ns_msg_getflag()
107 ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {  in ns_initparse()  argument
111 	handle->_msg = msg;  in ns_initparse()
112 	handle->_eom = eom;  in ns_initparse()
115 	NS_GET16(handle->_id, msg);  in ns_initparse()
118 	NS_GET16(handle->_flags, msg);  in ns_initparse()
122 		NS_GET16(handle->_counts[i], msg);  in ns_initparse()
125 		if (handle->_counts[i] == 0)  in ns_initparse()
126 			handle->_sections[i] = NULL;  in ns_initparse()
129 					  handle->_counts[i]);  in ns_initparse()
133 			handle->_sections[i] = msg;  in ns_initparse()
138 	setsection(handle, ns_s_max);  in ns_initparse()
143 ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {  in ns_parserr()  argument
151 	if (section != handle->_sect)  in ns_parserr()
152 		setsection(handle, section);  in ns_parserr()
156 		rrnum = handle->_rrnum;  in ns_parserr()
157 	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])  in ns_parserr()
159 	if (rrnum < handle->_rrnum)  in ns_parserr()
160 		setsection(handle, section);  in ns_parserr()
161 	if (rrnum > handle->_rrnum) {  in ns_parserr()
162 		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,  in ns_parserr()
163 			      rrnum - handle->_rrnum);  in ns_parserr()
167 		handle->_msg_ptr += b;  in ns_parserr()
168 		handle->_rrnum = rrnum;  in ns_parserr()
172 	b = dn_expand(handle->_msg, handle->_eom,  in ns_parserr()
173 		      handle->_msg_ptr, rr->name, NS_MAXDNAME);  in ns_parserr()
176 	handle->_msg_ptr += b;  in ns_parserr()
177 	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)  in ns_parserr()
179 	NS_GET16(rr->type, handle->_msg_ptr);  in ns_parserr()
180 	NS_GET16(rr->rr_class, handle->_msg_ptr);  in ns_parserr()
186 		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)  in ns_parserr()
188 		NS_GET32(rr->ttl, handle->_msg_ptr);  in ns_parserr()
189 		NS_GET16(rr->rdlength, handle->_msg_ptr);  in ns_parserr()
190 		if (handle->_msg_ptr + rr->rdlength > handle->_eom)  in ns_parserr()
192 		rr->rdata = handle->_msg_ptr;  in ns_parserr()
193 		handle->_msg_ptr += rr->rdlength;  in ns_parserr()
195 	if (++handle->_rrnum > handle->_counts[(int)section])  in ns_parserr()
196 		setsection(handle, (ns_sect)((int)section + 1));  in ns_parserr()
206 ns_parserr2(ns_msg *handle, ns_sect section, int rrnum, ns_rr2 *rr) {  in ns_parserr2()  argument
214 	if (section != handle->_sect)  in ns_parserr2()
215 		setsection(handle, section);  in ns_parserr2()
219 		rrnum = handle->_rrnum;  in ns_parserr2()
220 	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])  in ns_parserr2()
222 	if (rrnum < handle->_rrnum)  in ns_parserr2()
223 		setsection(handle, section);  in ns_parserr2()
224 	if (rrnum > handle->_rrnum) {  in ns_parserr2()
225 		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,  in ns_parserr2()
226 			      rrnum - handle->_rrnum);  in ns_parserr2()
230 		handle->_msg_ptr += b;  in ns_parserr2()
231 		handle->_rrnum = rrnum;  in ns_parserr2()
235 	b = ns_name_unpack2(handle->_msg, handle->_eom, handle->_msg_ptr,  in ns_parserr2()
239 	handle->_msg_ptr += b;  in ns_parserr2()
240 	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)  in ns_parserr2()
242 	NS_GET16(rr->type, handle->_msg_ptr);  in ns_parserr2()
243 	NS_GET16(rr->rr_class, handle->_msg_ptr);  in ns_parserr2()
249 		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)  in ns_parserr2()
251 		NS_GET32(rr->ttl, handle->_msg_ptr);  in ns_parserr2()
252 		NS_GET16(rr->rdlength, handle->_msg_ptr);  in ns_parserr2()
253 		if (handle->_msg_ptr + rr->rdlength > handle->_eom)  in ns_parserr2()
255 		rr->rdata = handle->_msg_ptr;  in ns_parserr2()
256 		handle->_msg_ptr += rr->rdlength;  in ns_parserr2()
258 	if (++handle->_rrnum > handle->_counts[(int)section])  in ns_parserr2()
259 		setsection(handle, (ns_sect)((int)section + 1));  in ns_parserr2()