pmt: initial 3.0.2 update

include/libgnulib/gl_anylinked_list1.h

@@ -0,0 +1,48 @@
+/* Sequential list data type implemented by a linked list.
+   Copyright (C) 2006, 2009-2024 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2006.
+
+   This file 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 file 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 program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Common code of gl_linked_list.c and gl_linkedhash_list.c.  */
+
+/* -------------------------- gl_list_t Data Type -------------------------- */
+
+/* Concrete list node implementation, valid for this file only.  */
+struct gl_list_node_impl
+{
+#if WITH_HASHTABLE
+  struct gl_hash_entry h;           /* hash table entry fields; must be first */
+#endif
+  struct gl_list_node_impl *next;
+  struct gl_list_node_impl *prev;
+  const void *value;
+};
+
+/* Concrete gl_list_impl type, valid for this file only.  */
+struct gl_list_impl
+{
+  struct gl_list_impl_base base;
+#if WITH_HASHTABLE
+  /* A hash table: managed as an array of collision lists.  */
+  struct gl_hash_entry **table;
+  size_t table_size;
+#endif
+  /* A circular list anchored at root.
+     The first node is = root.next, the last node is = root.prev.
+     The root's value is unused.  */
+  struct gl_list_node_impl root;
+  /* Number of list nodes, excluding the root.  */
+  size_t count;
+};