From e37726e467cf5523161c1b932b979a8818c76b25 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@nicira.com>
Date: Fri, 26 Apr 2013 11:10:53 -0700
Subject: [PATCH] hmap: Make HMAP_INITIALIZER a valid initializer for a const
 hmap.

Without this change, an initialization such as
    const struct hmap map = HMAP_INITIALIZER(&map);
yields a compiler warning "initialization discards qualifiers from pointer
target type".

Signed-off-by: Ben Pfaff <blp@nicira.com>
---
 lib/hmap.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/hmap.h b/lib/hmap.h
index 2867bfa0b..9b6d8c7b3 100644
--- a/lib/hmap.h
+++ b/lib/hmap.h
@@ -65,7 +65,8 @@ struct hmap {
 };
 
 /* Initializer for an empty hash map. */
-#define HMAP_INITIALIZER(HMAP) { &(HMAP)->one, NULL, 0, 0 }
+#define HMAP_INITIALIZER(HMAP) \
+    { (struct hmap_node **const) &(HMAP)->one, NULL, 0, 0 }
 
 /* Initialization. */
 void hmap_init(struct hmap *);
-- 
2.43.0