1 files changed, 66 insertions, 0 deletions
diff --git a/shared/nm-std-aux/c-list-util.h b/shared/nm-std-aux/c-list-util.h
new file mode 100644
index 00000000..648bacc7
--- /dev/null
+++ b/shared/nm-std-aux/c-list-util.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * 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 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.
+ *
+ * (C) Copyright 2017 Red Hat, Inc.
+ */
+
+#ifndef __C_LIST_UTIL_H__
+#define __C_LIST_UTIL_H__
+
+#include "c-list/src/c-list.h"
+
+/*****************************************************************************/
+
+void c_list_relink (CList *lst);
+
+typedef int (*CListSortCmp) (const CList *a,
+                             const CList *b,
+                             const void *user_data);
+
+CList *c_list_sort_headless (CList *lst,
+                             CListSortCmp cmp,
+                             const void *user_data);
+
+void c_list_sort (CList *head,
+                  CListSortCmp cmp,
+                  const void *user_data);
+
+/* c_list_length_is:
+ * @list: the #CList list head
+ * @check_len: the length to compare
+ *
+ * Returns: basically the same as (c_list_length (@list) == @check_len),
+ *   but does not require to iterate the entire list first. There is only
+ *   one real use: to find out whether there is exactly one element in the
+ *   list, by passing @check_len as 1.
+ */
+static inline int
+c_list_length_is (const CList *list, unsigned long check_len) {
+	unsigned long n = 0;
+	const CList *iter;
+
+	c_list_for_each (iter, list) {
+		++n;
+		if (n > check_len)
+			return 0;
+	}
+
+	return n == check_len;
+}
+
+#endif /* __C_LIST_UTIL_H__ */