2002-11-23 Havoc Pennington <hp@pobox.com>

	* dbus/dbus-internals.h (_DBUS_INT_MAX): add _DBUS_INT_MIN
	_DBUS_INT_MAX

	* dbus/dbus-test.c (main): add list test, and include
	dbus-test.h as intended

	* dbus/dbus-hash.c (_dbus_hash_table_remove_string)
	(_dbus_hash_table_remove_int): return value indicates
	whether the entry existed to remove

	* dbus/dbus-list.c: add linked list utility class,
	with docs and tests

	* dbus/dbus-hash.c: add TODO item about shrinking the hash bucket
	array sometimes.

1 files changed, 73 insertions, 0 deletions

diff --git a/dbus/dbus-list.h b/dbus/dbus-list.h
new file mode 100644
index 00000000..d314ad5a
--- /dev/null
+++ b/dbus/dbus-list.h
@@ -0,0 +1,73 @@
+/* -*- mode: C; c-file-style: "gnu" -*- */
+/* dbus-list.h Generic linked list utility (internal to D-BUS implementation)
+ * 
+ * Copyright (C) 2002  Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 1.2
+ * 
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 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
+ *
+ */
+
+#ifndef DBUS_LIST_H
+#define DBUS_LIST_H
+
+#include <dbus/dbus-memory.h>
+#include <dbus/dbus-types.h>
+
+DBUS_BEGIN_DECLS;
+
+typedef struct DBusList DBusList;
+
+struct DBusList
+{
+  DBusList *prev; /**< Previous list node. */
+  DBusList *next; /**< Next list node. */
+  void     *data; /**< Data stored at this element. */
+};
+
+dbus_bool_t _dbus_list_append         (DBusList **list,
+                                       void      *data);
+dbus_bool_t _dbus_list_prepend        (DBusList **list,
+                                       void      *data);
+dbus_bool_t _dbus_list_insert_before  (DBusList **list,
+                                       DBusList  *before_this_link,
+                                       void      *data);
+dbus_bool_t _dbus_list_insert_after   (DBusList **list,
+                                       DBusList  *after_this_link,
+                                       void      *data);
+dbus_bool_t _dbus_list_remove         (DBusList **list,
+                                       void      *data);
+void        _dbus_list_remove_link    (DBusList **list,
+                                       DBusList  *link);
+void        _dbus_list_clear          (DBusList **list);
+DBusList*   _dbus_list_get_first_link (DBusList **list);
+DBusList*   _dbus_list_get_last_link  (DBusList **list);
+void*       _dbus_list_get_last       (DBusList **list);
+void*       _dbus_list_get_first      (DBusList **list);
+void*       _dbus_list_pop_first      (DBusList **list);
+void*       _dbus_list_pop_last       (DBusList **list);
+dbus_bool_t _dbus_list_copy           (DBusList **list,
+                                       DBusList **dest);
+int         _dbus_list_get_length     (DBusList **list);
+
+
+
+#define _dbus_list_get_next_link(list, link) ((link)->next == *(list) ? NULL : (link)->next)
+#define _dbus_list_get_prev_link(list, link) ((link)->prev == *(list) ? NULL : (link)->prev)
+
+DBUS_END_DECLS;
+
+#endif /* DBUS_LIST_H */