From: dlezcano <dlezcano>
Date: Tue, 9 Dec 2008 09:41:47 +0000 (+0000)
Subject: Allows to enqueue list element instead of pushing on top of the list
X-Git-Tag: lxc_0_5_1~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da9e3794b55ee2d36a1e13e27830e4821ec25829;p=thirdparty%2Flxc.git

Allows to enqueue list element instead of pushing on top of the list

From: Daniel Lezcano <dlezcano@fr.ibm.com>

Added the list_add_tail function to add an element at the end of the list.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
---

diff --git a/src/lxc/lxc_list.h b/src/lxc/lxc_list.h
index 45c04fb1f..7dfd22bf0 100644
--- a/src/lxc/lxc_list.h
+++ b/src/lxc/lxc_list.h
@@ -7,7 +7,7 @@ struct lxc_list {
 	struct lxc_list *prev;
 };
 
-#define lxc_init_list(l) { .next = l, .prev = l, }
+#define lxc_init_list(l) { .next = l, .prev = l }
 
 #define lxc_list_for_each(__iterator, __list)				\
 	for (__iterator = (__list)->next;				\
@@ -35,13 +35,25 @@ static inline int lxc_list_empty(struct lxc_list *list)
 	return list == list->next;
 }
 
+static inline void __lxc_list_add(struct lxc_list *new, 
+				  struct lxc_list *prev, 
+				  struct lxc_list *next)
+{
+        next->prev = new;
+        new->next = next;
+        new->prev = prev;
+        prev->next = new;
+}
+
 static inline void lxc_list_add(struct lxc_list *head, struct lxc_list *list)
 {
-	struct lxc_list *next = head->next;
-	next->prev = list;
-	list->next = next;
-	list->prev = head;
-	head->next = list;
+	__lxc_list_add(list, head, head->next);
+}
+
+static inline void lxc_list_add_tail(struct lxc_list *head, 
+				     struct lxc_list *list)
+{
+	__lxc_list_add(list, head->prev, head);
 }
 
 static inline void lxc_list_del(struct lxc_list *list)