From: Neale Ranns <nranns@cisco.com>
Date: Tue, 29 Sep 2020 14:44:23 +0000 (+0000)
Subject: vppinfra: Function to check if a bihash has been initialised
X-Git-Tag: v21.06-rc0~420
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F52%2F29152%2F2;p=vpp.git

vppinfra: Function to check if a bihash has been initialised

Type: improvement

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: Ic31f7721f326ca9d78d645abcea63ce58df5bd5b
---

diff --git a/src/vppinfra/bihash_template.c b/src/vppinfra/bihash_template.c
index 561855a5644..555c2e00cfb 100644
--- a/src/vppinfra/bihash_template.c
+++ b/src/vppinfra/bihash_template.c
@@ -390,6 +390,11 @@ void BV (clib_bihash_set_kvp_format_fn) (BVT (clib_bihash) * h,
   h->kvp_fmt_fn = kvp_fmt_fn;
 }
 
+int BV (clib_bihash_is_initialised) (const BVT (clib_bihash) * h)
+{
+  return (h->instantiated != 0);
+}
+
 void BV (clib_bihash_free) (BVT (clib_bihash) * h)
 {
   int i;
diff --git a/src/vppinfra/bihash_template.h b/src/vppinfra/bihash_template.h
index 83c94279668..4ab27aac38f 100644
--- a/src/vppinfra/bihash_template.h
+++ b/src/vppinfra/bihash_template.h
@@ -363,6 +363,8 @@ int BV (clib_bihash_search) (BVT (clib_bihash) * h,
 			     BVT (clib_bihash_kv) * search_v,
 			     BVT (clib_bihash_kv) * return_v);
 
+int BV (clib_bihash_is_initialised) (const BVT (clib_bihash) * h);
+
 #define BIHASH_WALK_STOP 0
 #define BIHASH_WALK_CONTINUE 1