76 int ns_msg_getflag(ns_msg handle, int flag) {  in ns_msg_getflag()  argument
77 	return(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift);  in ns_msg_getflag()
105 ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {  in ns_initparse()  argument
109 	handle->_msg = msg;  in ns_initparse()
110 	handle->_eom = eom;  in ns_initparse()
113 	NS_GET16(handle->_id, msg);  in ns_initparse()
116 	NS_GET16(handle->_flags, msg);  in ns_initparse()
120 		NS_GET16(handle->_counts[i], msg);  in ns_initparse()
123 		if (handle->_counts[i] == 0)  in ns_initparse()
124 			handle->_sections[i] = NULL;  in ns_initparse()
127 					  handle->_counts[i]);  in ns_initparse()
131 			handle->_sections[i] = msg;  in ns_initparse()
136 	setsection(handle, ns_s_max);  in ns_initparse()
141 ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {  in ns_parserr()  argument
149 	if (section != handle->_sect)  in ns_parserr()
150 		setsection(handle, section);  in ns_parserr()
154 		rrnum = handle->_rrnum;  in ns_parserr()
155 	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])  in ns_parserr()
157 	if (rrnum < handle->_rrnum)  in ns_parserr()
158 		setsection(handle, section);  in ns_parserr()
159 	if (rrnum > handle->_rrnum) {  in ns_parserr()
160 		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,  in ns_parserr()
161 			      rrnum - handle->_rrnum);  in ns_parserr()
165 		handle->_msg_ptr += b;  in ns_parserr()
166 		handle->_rrnum = rrnum;  in ns_parserr()
170 	b = dn_expand(handle->_msg, handle->_eom,  in ns_parserr()
171 		      handle->_msg_ptr, rr->name, NS_MAXDNAME);  in ns_parserr()
174 	handle->_msg_ptr += b;  in ns_parserr()
175 	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)  in ns_parserr()
177 	NS_GET16(rr->type, handle->_msg_ptr);  in ns_parserr()
178 	NS_GET16(rr->rr_class, handle->_msg_ptr);  in ns_parserr()
184 		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)  in ns_parserr()
186 		NS_GET32(rr->ttl, handle->_msg_ptr);  in ns_parserr()
187 		NS_GET16(rr->rdlength, handle->_msg_ptr);  in ns_parserr()
188 		if (handle->_msg_ptr + rr->rdlength > handle->_eom)  in ns_parserr()
190 		rr->rdata = handle->_msg_ptr;  in ns_parserr()
191 		handle->_msg_ptr += rr->rdlength;  in ns_parserr()
193 	if (++handle->_rrnum > handle->_counts[(int)section])  in ns_parserr()
194 		setsection(handle, (ns_sect)((int)section + 1));  in ns_parserr()
204 ns_parserr2(ns_msg *handle, ns_sect section, int rrnum, ns_rr2 *rr) {  in ns_parserr2()  argument
211 	if (section != handle->_sect)  in ns_parserr2()
212 		setsection(handle, section);  in ns_parserr2()
216 		rrnum = handle->_rrnum;  in ns_parserr2()
217 	if (rrnum < 0 || rrnum >= handle->_counts[(int)section])  in ns_parserr2()
219 	if (rrnum < handle->_rrnum)  in ns_parserr2()
220 		setsection(handle, section);  in ns_parserr2()
221 	if (rrnum > handle->_rrnum) {  in ns_parserr2()
222 		b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,  in ns_parserr2()
223 			      rrnum - handle->_rrnum);  in ns_parserr2()
227 		handle->_msg_ptr += b;  in ns_parserr2()
228 		handle->_rrnum = rrnum;  in ns_parserr2()
232 	b = ns_name_unpack2(handle->_msg, handle->_eom, handle->_msg_ptr,  in ns_parserr2()
236 	handle->_msg_ptr += b;  in ns_parserr2()
237 	if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)  in ns_parserr2()
239 	NS_GET16(rr->type, handle->_msg_ptr);  in ns_parserr2()
240 	NS_GET16(rr->rr_class, handle->_msg_ptr);  in ns_parserr2()
246 		if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)  in ns_parserr2()
248 		NS_GET32(rr->ttl, handle->_msg_ptr);  in ns_parserr2()
249 		NS_GET16(rr->rdlength, handle->_msg_ptr);  in ns_parserr2()
250 		if (handle->_msg_ptr + rr->rdlength > handle->_eom)  in ns_parserr2()
252 		rr->rdata = handle->_msg_ptr;  in ns_parserr2()
253 		handle->_msg_ptr += rr->rdlength;  in ns_parserr2()
255 	if (++handle->_rrnum > handle->_counts[(int)section])  in ns_parserr2()
256 		setsection(handle, (ns_sect)((int)section + 1));  in ns_parserr2()