From: Miek Gieben <miekg@NLnetLabs.nl>
Date: Wed, 16 Mar 2005 19:57:37 +0000 (+0000)
Subject: added rdf's in a specific spot
X-Git-Tag: release-0.50~230
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eedc685bd249644f568092fa61641472d3c7671d;p=thirdparty%2Fldns.git

added rdf's in a specific spot
---

diff --git a/ldns/rr.h b/ldns/rr.h
index e911a7cb..8801494f 100644
--- a/ldns/rr.h
+++ b/ldns/rr.h
@@ -247,6 +247,7 @@ void ldns_rr_set_type(ldns_rr *, ldns_rr_type);
 void ldns_rr_set_class(ldns_rr *, ldns_rr_class);
 bool ldns_rr_push_rdf(ldns_rr *, ldns_rdf *);
 ldns_rdf *ldns_rr_rdf(const ldns_rr *, uint16_t);
+ldns_rdf * ldns_rr_set_rdf(ldns_rr *rr, ldns_rdf *f, uint16_t position);
 ldns_rdf *ldns_rr_owner(const ldns_rr *);
 uint32_t ldns_rr_ttl(const ldns_rr *);
 uint16_t ldns_rr_rd_count(const ldns_rr *);
diff --git a/rr.c b/rr.c
index 4f4ade7d..4e4e008e 100644
--- a/rr.c
+++ b/rr.c
@@ -263,6 +263,30 @@ ldns_rr_set_class(ldns_rr *rr, ldns_rr_class rr_class)
 	rr->_rr_class = rr_class;
 }
 
+/**
+ * set a rdf member, it will be set on the 
+ * position given. The old value is returned, like pop
+ */
+ldns_rdf *
+ldns_rr_set_rdf(ldns_rr *rr, ldns_rdf *f, uint16_t position)
+{
+	uint16_t rd_count;
+	ldns_rdf *pop;
+	ldns_rdf **rdata_fields;
+
+	rd_count = ldns_rr_rd_count(rr);
+	if (position > rd_count) {
+		return NULL;
+	}
+
+	rdata_fields = rr->_rdata_fields;
+	/* dicard the old one */
+	pop = rr->_rdata_fields[position];
+	rr->_rdata_fields[position] = f;
+	return pop;
+}
+
+
 /**
  * set rd_field member, it will be 
  * placed in the next available spot