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cairo-list-inline.h
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1 /* cairo - a vector graphics library with display and print output
2  *
3  * Copyright © 2009 Chris Wilson
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it either under the terms of the GNU Lesser General Public
7  * License version 2.1 as published by the Free Software Foundation
8  * (the "LGPL") or, at your option, under the terms of the Mozilla
9  * Public License Version 1.1 (the "MPL"). If you do not alter this
10  * notice, a recipient may use your version of this file under either
11  * the MPL or the LGPL.
12  *
13  * You should have received a copy of the LGPL along with this library
14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
15  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
16  * You should have received a copy of the MPL along with this library
17  * in the file COPYING-MPL-1.1
18  *
19  * The contents of this file are subject to the Mozilla Public License
20  * Version 1.1 (the "License"); you may not use this file except in
21  * compliance with the License. You may obtain a copy of the License at
22  * http://www.mozilla.org/MPL/
23  *
24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
26  * the specific language governing rights and limitations.
27  *
28  * The Original Code is the cairo graphics library.
29  *
30  * The Initial Developer of the Original Code is Chris Wilson.
31  *
32  * Contributor(s):
33  * Chris Wilson <chris@chris-wilson.co.uk>
34  *
35  */
36 
37 #ifndef CAIRO_LIST_INLINE_H
38 #define CAIRO_LIST_INLINE_H
39 
40 #include "cairo-list-private.h"
41 
42 #define cairo_list_entry(ptr, type, member) \
43  cairo_container_of(ptr, type, member)
44 
45 #define cairo_list_first_entry(ptr, type, member) \
46  cairo_list_entry((ptr)->next, type, member)
47 
48 #define cairo_list_last_entry(ptr, type, member) \
49  cairo_list_entry((ptr)->prev, type, member)
50 
51 #define cairo_list_foreach(pos, head) \
52  for (pos = (head)->next; pos != (head); pos = pos->next)
53 
54 #define cairo_list_foreach_entry(pos, type, head, member) \
55  for (pos = cairo_list_entry((head)->next, type, member);\
56  &pos->member != (head); \
57  pos = cairo_list_entry(pos->member.next, type, member))
58 
59 #define cairo_list_foreach_entry_safe(pos, n, type, head, member) \
60  for (pos = cairo_list_entry ((head)->next, type, member),\
61  n = cairo_list_entry (pos->member.next, type, member);\
62  &pos->member != (head); \
63  pos = n, n = cairo_list_entry (n->member.next, type, member))
64 
65 #define cairo_list_foreach_entry_reverse(pos, type, head, member) \
66  for (pos = cairo_list_entry((head)->prev, type, member);\
67  &pos->member != (head); \
68  pos = cairo_list_entry(pos->member.prev, type, member))
69 
70 #define cairo_list_foreach_entry_reverse_safe(pos, n, type, head, member) \
71  for (pos = cairo_list_entry((head)->prev, type, member),\
72  n = cairo_list_entry (pos->member.prev, type, member);\
73  &pos->member != (head); \
74  pos = n, n = cairo_list_entry (n->member.prev, type, member))
75 
76 #ifdef CAIRO_LIST_DEBUG
77 static inline void
79 {
80  assert (link->next->prev == link);
81  assert (link->prev->next == link);
82 }
83 static inline void
85 {
87 
90 }
91 static inline cairo_bool_t
93 static inline void
95 {
96  assert (head->next == NULL || (cairo_list_is_empty (head) && head->next == head->prev));
97 }
98 #else
99 #define _cairo_list_validate(link)
100 #define cairo_list_validate(head)
101 #define cairo_list_validate_is_empty(head)
102 #endif
103 
104 static inline void
106 {
107  entry->next = entry;
108  entry->prev = entry;
109 }
110 
111 static inline void
115 {
116  next->prev = entry;
117  entry->next = next;
118  entry->prev = prev;
119  prev->next = entry;
120 }
121 
122 static inline void
124 {
127  __cairo_list_add (entry, head, head->next);
129 }
130 
131 static inline void
133 {
136  __cairo_list_add (entry, head->prev, head);
138 }
139 
140 static inline void
142 {
143  next->prev = prev;
144  prev->next = next;
145 }
146 
147 static inline void
149 {
150  __cairo_list_del (entry->prev, entry->next);
151 }
152 
153 static inline void
155 {
158 }
159 
160 static inline void
162 {
164  __cairo_list_del (entry->prev, entry->next);
165  __cairo_list_add (entry, head, head->next);
167 }
168 
169 static inline void
171 {
173  __cairo_list_del (entry->prev, entry->next);
174  __cairo_list_add (entry, head->prev, head);
176 }
177 
178 static inline void
180 {
181  __cairo_list_add (entry, other->prev, other->next);
183 }
184 
185 static inline cairo_bool_t
187  const cairo_list_t *head)
188 {
190  return entry->prev == head;
191 }
192 
193 static inline cairo_bool_t
195  const cairo_list_t *head)
196 {
198  return entry->next == head;
199 }
200 
201 static inline cairo_bool_t
203 {
205  return head->next == head;
206 }
207 
208 static inline cairo_bool_t
210 {
212  return head->next == head || head->next == head->prev;
213 }
214 
215 #endif /* CAIRO_LIST_INLINE_H */
#define head
Definition: aptex-macros.h:513
#define next(a)
Definition: aptex-macros.h:924
static void cairo_list_add(cairo_list_t *entry, cairo_list_t *head)
static void cairo_list_move_tail(cairo_list_t *entry, cairo_list_t *head)
static cairo_bool_t cairo_list_is_empty(const cairo_list_t *head)
#define cairo_list_validate_is_empty(head)
static void __cairo_list_del(cairo_list_t *prev, cairo_list_t *next)
static cairo_bool_t cairo_list_is_singular(const cairo_list_t *head)
#define cairo_list_foreach(pos, head)
#define cairo_list_validate(head)
static cairo_bool_t cairo_list_is_last(const cairo_list_t *entry, const cairo_list_t *head)
static void _cairo_list_del(cairo_list_t *entry)
static void cairo_list_move(cairo_list_t *entry, cairo_list_t *head)
static void cairo_list_init(cairo_list_t *entry)
static cairo_bool_t cairo_list_is_first(const cairo_list_t *entry, const cairo_list_t *head)
static void cairo_list_del(cairo_list_t *entry)
#define _cairo_list_validate(link)
static void cairo_list_swap(cairo_list_t *entry, cairo_list_t *other)
static void cairo_list_add_tail(cairo_list_t *entry, cairo_list_t *head)
static void __cairo_list_add(cairo_list_t *entry, cairo_list_t *prev, cairo_list_t *next)
int cairo_bool_t
Definition: cairo.h:107
static FIELD_PTR prev
Definition: genind.c:36
assert(pcxLoadImage24((char *)((void *) 0), fp, pinfo, hdr))
#define NULL
Definition: ftobjs.h:61
pdf_obj * entry
Definition: pdfdoc.c:64
#define link
Definition: win32lib.h:82
@ other
Definition: mtxline.h:22
Definition: ttf.h:354