set_tdb_key() can be used by destroy_node(), too. So remove the static
attribute and move it to xenstored_core.c.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
---
V5:
- new patch

V6:
- add comment (Julien Grall)

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 tools/xenstore/xenstored_core.c        | 14 +++++++++++---
 tools/xenstore/xenstored_core.h        |  2 ++
 tools/xenstore/xenstored_transaction.c |  6 ------
 3 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index 3082a36d3a..ab1c7835b8 100644
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -352,6 +352,16 @@ static void initialize_fds(int *p_sock_pollfd_idx, int *ptimeout)
 	}
 }
 
+void set_tdb_key(const char *name, TDB_DATA *key)
+{
+	/*
+	 * Dropping const is fine here, as the key will never be modified
+	 * by TDB.
+	 */
+	key->dptr = (char *)name;
+	key->dsize = strlen(name);
+}
+
 /*
  * If it fails, returns NULL and sets errno.
  * Temporary memory allocations will be done with ctx.
@@ -985,9 +995,7 @@ static int destroy_node(void *_node)
 	if (streq(node->name, "/"))
 		corrupt(NULL, "Destroying root node!");
 
-	key.dptr = (void *)node->name;
-	key.dsize = strlen(node->name);
-
+	set_tdb_key(node->name, &key);
 	tdb_delete(tdb_ctx, key);
 
 	domain_entry_dec(talloc_parent(node), node);
diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
index 4c6c3d6f20..fb59d862a2 100644
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -220,6 +220,8 @@ extern xengnttab_handle **xgt_handle;
 
 int remember_string(struct hashtable *hash, const char *str);
 
+void set_tdb_key(const char *name, TDB_DATA *key);
+
 #endif /* _XENSTORED_CORE_H */
 
 /*
diff --git a/tools/xenstore/xenstored_transaction.c b/tools/xenstore/xenstored_transaction.c
index 2881f3b2e4..52355f4ed8 100644
--- a/tools/xenstore/xenstored_transaction.c
+++ b/tools/xenstore/xenstored_transaction.c
@@ -168,12 +168,6 @@ struct transaction
 extern int quota_max_transaction;
 uint64_t generation;
 
-static void set_tdb_key(const char *name, TDB_DATA *key)
-{
-	key->dptr = (char *)name;
-	key->dsize = strlen(name);
-}
-
 static struct accessed_node *find_accessed_node(struct transaction *trans,
 						const char *name)
 {
-- 
2.26.2