Subversion Repositories planix.SVN

#include <u.h>

#include <libc.h>

#include <bio.h>

#include <ndb.h>

#include <ip.h>

/* return list of ip addresses for a name */

Ndbtuple*

ndbgetipaddr(Ndb *db, char *val)

{

	char *attr, *p;

	Ndbtuple *it, *first, *last, *next;

	Ndbs s;

	/* already an IP address? */

	attr = ipattr(val);

	if(strcmp(attr, "ip") == 0){

		it = ndbnew("ip", val);

		ndbsetmalloctag(it, getcallerpc(&db));

		return it;

	}

	/* look it up */

	p = ndbgetvalue(db, &s, attr, val, "ip", &it);

	if(p == nil)

		return nil;

	free(p);

	/* remove the non-ip entries */

	first = last = nil;

	for(; it; it = next){

		next = it->entry;

		if(strcmp(it->attr, "ip") == 0){

			if(first == nil)

				first = it;

			else

				last->entry = it;

			it->entry = nil;

			it->line = first;

			last = it;

		} else {

			it->entry = nil;

			ndbfree(it);

		}

	}

	ndbsetmalloctag(first, getcallerpc(&db));

	return first;

}