1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __JAR_DS_h_
#define __JAR_DS_h_
/* Typedefs */
typedef struct ZZLinkStr ZZLink;
typedef struct ZZListStr ZZList;
/*
** Circular linked list. Each link contains a pointer to the object that
** is actually in the list.
*/
struct ZZLinkStr
{
ZZLink *next;
ZZLink *prev;
JAR_Item *thing;
};
struct ZZListStr
{
ZZLink link;
};
#define ZZ_InitList(lst) \
{ \
(lst)->link.next = &(lst)->link; \
(lst)->link.prev = &(lst)->link; \
(lst)->link.thing = 0; \
}
#define ZZ_ListEmpty(lst) \
((lst)->link.next == &(lst)->link)
#define ZZ_ListHead(lst) \
((lst)->link.next)
#define ZZ_ListTail(lst) \
((lst)->link.prev)
#define ZZ_ListIterDone(lst,lnk) \
((lnk) == &(lst)->link)
#define ZZ_AppendLink(lst,lnk) \
{ \
(lnk)->next = &(lst)->link; \
(lnk)->prev = (lst)->link.prev; \
(lst)->link.prev->next = (lnk); \
(lst)->link.prev = (lnk); \
}
#define ZZ_InsertLink(lst,lnk) \
{ \
(lnk)->next = (lst)->link.next; \
(lnk)->prev = &(lst)->link; \
(lst)->link.next->prev = (lnk); \
(lst)->link.next = (lnk); \
}
#define ZZ_RemoveLink(lnk) \
{ \
(lnk)->next->prev = (lnk)->prev; \
(lnk)->prev->next = (lnk)->next; \
(lnk)->next = 0; \
(lnk)->prev = 0; \
}
extern ZZLink *ZZ_NewLink (JAR_Item *thing);
extern void ZZ_DestroyLink (ZZLink *link);
extern ZZList *ZZ_NewList (void);
extern void ZZ_DestroyList (ZZList *list);
#endif /* __JAR_DS_h_ */
|
