shash: Make it more convenient to store "const" objects in an shash.

[sliver-openvswitch.git] / lib / shash.c

diff --git a/lib/shash.c b/lib/shash.c
index c35164b..e6cb6b0 100644 (file)
--- a/lib/shash.c
+++ b/lib/shash.c
@@ -67,11 +67,11 @@ shash_count(const struct shash *shash)
 /* It is the caller's responsibility to avoid duplicate names, if that is
  * desirable. */
 struct shash_node *
-shash_add(struct shash *sh, const char *name, void *data)
+shash_add(struct shash *sh, const char *name, const void *data)
 {
     struct shash_node *node = xmalloc(sizeof *node);
     node->name = xstrdup(name);
-    node->data = data;
+    node->data = (void *) data;
     hmap_insert(&sh->map, &node->node, hash_name(name));
     return node;
 }