1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <ndb.h>
5 #include <ip.h>
6 
7 /* return list of ip addresses for a name */
8 Ndbtuple*
9 ndbgetipaddr(Ndb *db, char *val)
10 {
11 	char *attr, *p;
12 	Ndbtuple *it, *first, *last, *next;
13 	Ndbs s;
14 
15 	/* already an IP address? */
16 	attr = ipattr(val);
17 	if(strcmp(attr, "ip") == 0){
18 		it = ndbnew("ip", val);
19 		return it;
20 	}
21 
22 	/* look it up */
23 	p = ndbgetvalue(db, &s, attr, val, "ip", &it);
24 	if(p == nil)
25 		return nil;
26 	free(p);
27 
28 	/* remove the non-ip entries */
29 	first = last = nil;
30 	for(; it; it = next){
31 		next = it->entry;
32 		if(strcmp(it->attr, "ip") == 0){
33 			if(first == nil)
34 				first = it;
35 			else
36 				last->entry = it;
37 			it->entry = nil;
38 			it->line = first;
39 			last = it;
40 		} else {
41 			it->entry = nil;
42 			ndbfree(it);
43 		}
44 	}
45 
46 	return first;
47 }