blob: 4a506111744b005845fb41b35a799363f60a4c66 (
plain)
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
|
/* EINA - EFL data type library
* Copyright (C) 2008 Cedric Bail
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_INLINE_TRASH_X__
#define EINA_INLINE_TRASH_X__
/**
* @brief Initialize a trash before using it.
*
* @param trash The trash.
*
* This function just set to zero the trash to correctly
* initialize it.
*
* @note You can just set *trash to NULL and you will have
* the same result.
*/
static inline void
eina_trash_init(Eina_Trash **trash)
{
*trash = NULL;
}
/**
* @brief Push an unused pointer in the trash instead of freeing it.
*
* @param trash A pointer to an Eina_Trash.
* @param data An unused pointer big enougth to put a (void*).
*
* Instead of freeing a pointer and put pressure on malloc/free
* you can push it in a trash for a later use. This function just
* provide a fast way to push a now unused pointer into a trash.
*
* @note Do never use the pointer after insertion or bad things will
* happens.
*
* @note This trash will not resize, nor do anything with the size of
* the region pointed by @p data, so it's your duty to manage the size.
*/
static inline void
eina_trash_push(Eina_Trash **trash, void *data)
{
Eina_Trash *tmp;
tmp = (Eina_Trash *)data;
tmp->next = *trash;
*trash = tmp;
}
/**
* @brief Pop an available pointer from the trash if possible.
*
* @param trash A pointer to an Eina_Trash.
*
* Instead of calling malloc, and putting pressure on malloc/free
* you can recycle the content of the trash, if it's not empty.
*
* @note This trash will not resize, nor do anything with the size of
* the region pointed by pointer inside the trash, so it's your duty
* to manage the size of the returned pointer.
*/
static inline void*
eina_trash_pop(Eina_Trash **trash)
{
void *tmp;
tmp = *trash;
if (*trash)
*trash = (*trash)->next;
return tmp;
}
#endif
|
