blob: f6521133fd5ec097a47f0fac1e612fd538df89dd [file] [log] [blame]
Greg Kroah-Hartmanc55519f2008-12-17 17:04:23 -08001/*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************
26 */
27
28#ifndef __LINK_LIST_H__
29#define __LINK_LIST_H__
30
31typedef struct _LIST_ENTRY
32{
33 struct _LIST_ENTRY *pNext;
34} LIST_ENTRY, *PLIST_ENTRY;
35
36typedef struct _LIST_HEADR
37{
38 PLIST_ENTRY pHead;
39 PLIST_ENTRY pTail;
40 UCHAR size;
41} LIST_HEADER, *PLIST_HEADER;
42
43static inline VOID initList(
44 IN PLIST_HEADER pList)
45{
46 pList->pHead = pList->pTail = NULL;
47 pList->size = 0;
48 return;
49}
50
51static inline VOID insertTailList(
52 IN PLIST_HEADER pList,
53 IN PLIST_ENTRY pEntry)
54{
55 pEntry->pNext = NULL;
56 if (pList->pTail)
57 pList->pTail->pNext = pEntry;
58 else
59 pList->pHead = pEntry;
60 pList->pTail = pEntry;
61 pList->size++;
62
63 return;
64}
65
66static inline PLIST_ENTRY removeHeadList(
67 IN PLIST_HEADER pList)
68{
69 PLIST_ENTRY pNext;
70 PLIST_ENTRY pEntry;
71
72 pEntry = pList->pHead;
73 if (pList->pHead != NULL)
74 {
75 pNext = pList->pHead->pNext;
76 pList->pHead = pNext;
77 if (pNext == NULL)
78 pList->pTail = NULL;
79 pList->size--;
80 }
81 return pEntry;
82}
83
84static inline int getListSize(
85 IN PLIST_HEADER pList)
86{
87 return pList->size;
88}
89
90static inline PLIST_ENTRY delEntryList(
91 IN PLIST_HEADER pList,
92 IN PLIST_ENTRY pEntry)
93{
94 PLIST_ENTRY pCurEntry;
95 PLIST_ENTRY pPrvEntry;
96
97 if(pList->pHead == NULL)
98 return NULL;
99
100 if(pEntry == pList->pHead)
101 {
102 pCurEntry = pList->pHead;
103 pList->pHead = pCurEntry->pNext;
104
105 if(pList->pHead == NULL)
106 pList->pTail = NULL;
107
108 pList->size--;
109 return pCurEntry;
110 }
111
112 pPrvEntry = pList->pHead;
113 pCurEntry = pPrvEntry->pNext;
114 while(pCurEntry != NULL)
115 {
116 if (pEntry == pCurEntry)
117 {
118 pPrvEntry->pNext = pCurEntry->pNext;
119
120 if(pEntry == pList->pTail)
121 pList->pTail = pPrvEntry;
122
123 pList->size--;
124 break;
125 }
126 pPrvEntry = pCurEntry;
127 pCurEntry = pPrvEntry->pNext;
128 }
129
130 return pCurEntry;
131}
132
133#endif // ___LINK_LIST_H__ //
134