netdev-linux: Give tap FD to first opener.

[openvswitch] / lib / shash.c

diff --git a/lib/shash.c b/lib/shash.c
index a5bfecf04a0d53b4b8fdd28a6e718aef4495a040..caac460e9da9fb185be66194f61f894ce1a5ab67 100644 (file)
--- a/lib/shash.c
+++ b/lib/shash.c
@@ -99,6 +99,13 @@ shash_add_once(struct shash *sh, const char *name, const void *data)
     }
 }
 
+void
+shash_add_assert(struct shash *sh, const char *name, const void *data)
+{
+    bool added OVS_UNUSED = shash_add_once(sh, name, data);
+    assert(added);
+}
+
 void
 shash_delete(struct shash *sh, struct shash_node *node)
 {
@@ -142,6 +149,14 @@ shash_find_and_delete(struct shash *sh, const char *name)
     }
 }
 
+void *
+shash_find_and_delete_assert(struct shash *sh, const char *name)
+{
+    void *data = shash_find_and_delete(sh, name);
+    assert(data != NULL);
+    return data;
+}
+
 struct shash_node *
 shash_first(const struct shash *shash)
 {