diff -r 3f841a46eab5 -r 4204db81cdbc librazor/iterator.c
--- a/librazor/iterator.c	Fri Oct 17 10:10:57 2014 +0100
+++ b/librazor/iterator.c	Thu Jul 07 15:17:29 2016 +0100
@@ -317,6 +317,52 @@
 	free(fi);
 }
 
+RAZOR_EXPORT struct razor_string_iterator *
+razor_install_prefix_iterator_create(struct razor_set *set,
+				     struct razor_package *package)
+{
+	struct razor_string_iterator *si;
+
+	assert (set != NULL);
+	assert (package != NULL);
+
+	si = zalloc(sizeof *si);
+	si->set = set;
+
+	si->index = list_first(&package->install_prefixes,
+			       &set->prefix_pool);
+
+	return si;
+}
+
+RAZOR_EXPORT int
+razor_string_iterator_next(struct razor_string_iterator *si,
+			   const char **string)
+{
+	char *pool;
+	int valid;
+
+	assert (si != NULL);
+
+	if (si->index) {
+		pool = si->set->string_pool.data;
+		*string = &pool[si->index->data];
+		si->index = list_next(si->index);
+		valid = 1;
+	} else {
+		*string = NULL;
+		valid = 0;
+	}
+
+	return valid;
+}
+
+RAZOR_EXPORT void
+razor_string_iterator_destroy(struct razor_string_iterator *si)
+{
+	free(si);
+}
+
 struct razor_package_query {
 	struct razor_set *set;
 	char *vector;