License header fixes

[lttng-tools.git] / src / common / hashtable / hashtable.c

diff --git a/src/common/hashtable/hashtable.c b/src/common/hashtable/hashtable.c
index 2080107005739f5d4cb61c5f9761a14d7b375998..187a4d6b3ebabf4c6b6c612bcb8f36835ba3a24b 100644 (file)
--- a/src/common/hashtable/hashtable.c
+++ b/src/common/hashtable/hashtable.c
@@ -1,18 +1,18 @@
 /*
  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; only version 2 of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA  02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #define _GNU_SOURCE
@@ -199,6 +199,28 @@ void lttng_ht_add_unique_ulong(struct lttng_ht *ht,
        assert(node_ptr == &node->node);
 }
 
+/*
+ * Add replace unsigned long node to hashtable.
+ */
+struct lttng_ht_node_ulong *lttng_ht_add_replace_ulong(struct lttng_ht *ht,
+               struct lttng_ht_node_ulong *node)
+{
+       struct cds_lfht_node *node_ptr;
+       assert(ht);
+       assert(ht->ht);
+       assert(node);
+
+       node_ptr = cds_lfht_add_replace(ht->ht,
+                       ht->hash_fct((void *) node->key, HASH_SEED), ht->match_fct,
+                       (void *) node->key, &node->node);
+       if (!node_ptr) {
+               return NULL;
+       } else {
+               return caa_container_of(node_ptr, struct lttng_ht_node_ulong, node);
+       }
+       assert(node_ptr == &node->node);
+}
+
 /*
  * Delete node from hashtable.
  */