Public headers: use SPDX identifiers

[urcu.git] / include / urcu / rculfhash.h

diff --git a/include/urcu/rculfhash.h b/include/urcu/rculfhash.h
index 16f7d1cdaa433d47f72aecd31a20b3a99cc2a8fe..8385cd90a1d9f03c641bd2216bf6e852773ccbb9 100644 (file)
--- a/include/urcu/rculfhash.h
+++ b/include/urcu/rculfhash.h
@@ -1,28 +1,14 @@
+// SPDX-FileCopyrightText: 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+// SPDX-FileCopyrightText: 2011 Lai Jiangshan <laijs@cn.fujitsu.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #ifndef _URCU_RCULFHASH_H
 #define _URCU_RCULFHASH_H
 
 /*
- * urcu/rculfhash.h
- *
  * Userspace RCU library - Lock-Free RCU Hash Table
  *
- * Copyright 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright 2011 - Lai Jiangshan <laijs@cn.fujitsu.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
  * For use with URCU_API_MAP (API mapping of liburcu), include this file
  * _after_ including your URCU flavor.
  */
@@ -545,10 +531,7 @@ void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
                        node = cds_lfht_iter_get_node(iter))
 
 #define cds_lfht_entry(ptr, type, member)                              \
-       ({                                                              \
-               caa_unqual_scalar_typeof(ptr) ___ptr = (ptr);           \
-               ___ptr ? caa_container_of(___ptr, type, member) : NULL; \
-       })
+       caa_container_of_check_null(ptr, type, member)
 
 #define cds_lfht_for_each_entry(ht, iter, pos, member)                 \
        for (cds_lfht_first(ht, iter),                                  \