shash: New function shash_is_empty().

2 files changed, 7 insertions, 0 deletions

diff --git a/lib/shash.c b/lib/shash.c
index 9ddafe0be..7f6908436 100644
--- a/lib/shash.c
+++ b/lib/shash.c
@@ -51,6 +51,12 @@ shash_clear(struct shash *sh)
     }
 }
 
+bool
+shash_is_empty(const struct shash *shash)
+{
+    return hmap_is_empty(&shash->map);
+}
+
 /* It is the caller's responsible to avoid duplicate names, if that is
  * desirable. */
 void
diff --git a/lib/shash.h b/lib/shash.h
index 9201bb5d9..469e66e55 100644
--- a/lib/shash.h
+++ b/lib/shash.h
@@ -34,6 +34,7 @@ struct shash {
 void shash_init(struct shash *);
 void shash_destroy(struct shash *);
 void shash_clear(struct shash *);
+bool shash_is_empty(const struct shash *);
 void shash_add(struct shash *, const char *, void *);
 void shash_delete(struct shash *, struct shash_node *);
 struct shash_node *shash_find(const struct shash *, const char *);