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/*
** OLDBIND.COMPAT.C
**
** Very old systems do not have res_query(), res_querydomain() or
** res_search(), so emulate them here.
**
** You really ought to be upgrading to a newer version of BIND
** (4.8.2 or later) rather than be using this.
**
** J.R. Oldroyd <jr@inset.com>
*/
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
typedef union
{
HEADER qb1;
char qb2[PACKETSZ];
} querybuf;
res_query(dname, class, type, data, datalen)
char * dname;
int class;
int type;
char * data;
int datalen;
{
int n;
querybuf buf;
n = res_mkquery(QUERY, dname, class, type, (char *) NULL, 0,
NULL, (char *) &buf, sizeof buf);
n = res_send((char *)&buf, n, data, datalen);
return n;
}
res_querydomain(host, dname, class, type, data, datalen)
char * host;
char * dname;
int class;
int type;
char * data;
int datalen;
{
int n;
querybuf buf;
char dbuf[256];
strcpy(dbuf, host);
if (dbuf[strlen(dbuf)-1] != '.')
strcat(dbuf, ".");
strcat(dbuf, dname);
n = res_mkquery(QUERY, dbuf, class, type, (char *) NULL, 0,
NULL, (char *)&buf, sizeof buf);
n = res_send((char *) &buf, n, data, datalen);
return n;
}
res_search(dname, class, type, data, datalen)
char * dname;
int class;
int type;
char * data;
int datalen;
{
int n;
querybuf buf;
n = res_mkquery(QUERY, dname, class, type, (char *)NULL, 0,
NULL, (char *) &buf, sizeof buf);
n = res_send((char *) &buf, n, data, datalen);
return n;
}
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