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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* $OpenBSD: lst.h,v 1.11 1999/12/19 00:04:25 espie Exp $ */
/* $NetBSD: lst.h,v 1.7 1996/11/06 17:59:12 christos Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
* Copyright (c) 1988, 1989 by Adam de Boor
* Copyright (c) 1989 by Berkeley Softworks
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Adam de Boor.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)lst.h 8.1 (Berkeley) 6/6/93
*/
/*-
* lst.h --
* Header for using the list library
*/
#ifndef _LST_H_
#define _LST_H_
#include "sprite.h"
#include <sys/param.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
/*
* basic typedef. This is what the Lst_ functions handle
*/
typedef struct Lst *Lst;
typedef struct LstNode *LstNode;
typedef int (*FindProc)__P((ClientData, ClientData));
/*
* NOFREE can be used as the freeProc to Lst_Destroy when the elements are
* not to be freed.
* NOCOPY performs similarly when given as the copyProc to Lst_Duplicate.
*/
#define NOFREE ((void (*) __P((ClientData))) 0)
#define NOCOPY ((ClientData (*) __P((ClientData))) 0)
#define LST_CONCNEW 0 /* create new LstNode's when using Lst_Concat */
#define LST_CONCLINK 1 /* relink LstNode's when using Lst_Concat */
/*
* Creation/destruction functions
*/
/* Create a new list */
Lst Lst_Init __P((void));
/* Duplicate an existing list */
Lst Lst_Duplicate __P((Lst, ClientData (*)(ClientData)));
/* Destroy an old one */
void Lst_Destroy __P((Lst, void (*)(ClientData)));
/* True if list is empty */
Boolean Lst_IsEmpty __P((Lst));
/*
* Functions to modify a list
*/
/* Insert an element before another */
void Lst_Insert __P((Lst, LstNode, ClientData));
/* Insert an element after another */
void Lst_Append __P((Lst, LstNode, ClientData));
/* Place an element at the front of a lst. */
void Lst_AtFront __P((Lst, ClientData));
/* Place an element at the end of a lst. */
void Lst_AtEnd __P((Lst, ClientData));
/* Remove an element */
void Lst_Remove __P((Lst, LstNode));
/* Replace a node with a new value */
void Lst_Replace __P((LstNode, ClientData));
/* Concatenate two lists */
void Lst_Concat __P((Lst, Lst, int));
/*
* Node-specific functions
*/
/* Return first element in list */
LstNode Lst_First __P((Lst));
/* Return last element in list */
LstNode Lst_Last __P((Lst));
/* Return successor to given element */
LstNode Lst_Succ __P((LstNode));
/* Get datum from LstNode */
ClientData Lst_Datum __P((LstNode));
/*
* Functions for entire lists
*/
/* Find an element in a list */
#define Lst_Find(l, cProc, d) Lst_FindFrom(Lst_First(l), cProc, d)
/* Find an element starting from somewhere */
LstNode Lst_FindFrom __P((LstNode, FindProc, ClientData));
/*
* See if the given datum is on the list. Returns the LstNode containing
* the datum
*/
LstNode Lst_Member __P((Lst, ClientData));
/* Apply a function to all elements of a lst */
void Lst_ForEach __P((Lst, int (*)(ClientData, ClientData),
ClientData));
/*
* Apply a function to all elements of a lst starting from a certain point.
* If the list is circular, the application will wrap around to the
* beginning of the list again.
*/
void Lst_ForEachFrom __P((Lst, LstNode,
int (*)(ClientData, ClientData),
ClientData));
/*
* these functions are for dealing with a list as a table, of sorts.
* An idea of the "current element" is kept and used by all the functions
* between Lst_Open() and Lst_Close().
*/
/* Open the list */
ReturnStatus Lst_Open __P((Lst));
/* Next element please */
LstNode Lst_Next __P((Lst));
/* Done yet? */
Boolean Lst_IsAtEnd __P((Lst));
/* Finish table access */
void Lst_Close __P((Lst));
/*
* for using the list as a queue
*/
/* Place an element at tail of queue */
void Lst_EnQueue __P((Lst, ClientData));
/* Remove an element from head of queue */
ClientData Lst_DeQueue __P((Lst));
#endif /* _LST_H_ */
|
