From 750492551cec43d9da3551e1d829025bc88001ed Mon Sep 17 00:00:00 2001
From: David Given <dg@cowlark.com>
Date: Thu, 19 Jan 2017 23:20:24 +0100
Subject: [PATCH] Add set_get_any() to return a random item in the set (just a
 simple wrapper around a one-use iterator).

---
 modules/src/data/set.c | 6 ++++++
 modules/src/data/set.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/modules/src/data/set.c b/modules/src/data/set.c
index 5c3cb5aaa..390020aa6 100644
--- a/modules/src/data/set.c
+++ b/modules/src/data/set.c
@@ -28,6 +28,12 @@ void* set_get(struct set* s, void* item)
 	return hashtable_get(&s->table, item);
 }
 
+void* set_get_any(struct set* s)
+{
+	struct hashtable_iterator hit = {};
+	return hashtable_next(&s->table, &hit);
+}
+
 void* set_pop(struct set* s)
 {
 	return hashtable_pop(&s->table);
diff --git a/modules/src/data/set.h b/modules/src/data/set.h
index 6d0322903..5672a87f1 100644
--- a/modules/src/data/set.h
+++ b/modules/src/data/set.h
@@ -19,6 +19,7 @@ extern void set_reset(struct set* s);
 extern bool set_add(struct set* s, void* item);
 extern void* set_remove(struct set* s, void* item);
 extern void* set_get(struct set* s, void* item);
+extern void* set_get_any(struct set* s);
 extern void* set_pop(struct set* s);
 
 struct set_iterator
-- 
2.34.1