X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fhtable%2Fhtable.c;h=cffd0619d338d8146365abd3f10e1b308ef4c4d4;hb=209a81909942a07cb334d6dcae7626a3ecde141d;hp=d3c4f9b41187a9ef0481e332d710e95e42b29bea;hpb=7623d0829a63e7f95ed6f116b7e9f2f4a023e8e7;p=ccan

diff --git a/ccan/htable/htable.c b/ccan/htable/htable.c
index d3c4f9b4..cffd0619 100644
--- a/ccan/htable/htable.c
+++ b/ccan/htable/htable.c
@@ -365,6 +365,20 @@ void htable_delval_(struct htable *ht, struct htable_iter *i)
 	ht->deleted++;
 }
 
+void *htable_pick_(const struct htable *ht, size_t seed, struct htable_iter *i)
+{
+	void *e;
+	struct htable_iter unwanted;
+
+	if (!i)
+		i = &unwanted;
+	i->off = seed % ((size_t)1 << ht->bits);
+	e = htable_next(ht, i);
+	if (!e)
+		e = htable_first(ht, i);
+	return e;
+}
+
 struct htable *htable_check(const struct htable *ht, const char *abortstr)
 {
 	void *p;