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
|
/*
* This file is part of the PCEPlib, a PCEP protocol library.
*
* Copyright (C) 2020 Volta Networks https://voltanet.io/
*
* 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 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 General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Author : Brady Johnson <brady@voltanet.io>
*
*/
#ifndef PCEP_UTILS_INCLUDE_PCEP_UTILS_DOUBLE_LINKED_LIST_H_
#define PCEP_UTILS_INCLUDE_PCEP_UTILS_DOUBLE_LINKED_LIST_H_
typedef struct double_linked_list_node_ {
struct double_linked_list_node_ *prev_node;
struct double_linked_list_node_ *next_node;
void *data;
} double_linked_list_node;
typedef struct double_linked_list_ {
double_linked_list_node *head;
double_linked_list_node *tail;
unsigned int num_entries;
} double_linked_list;
/* Initialize a double linked list */
double_linked_list *dll_initialize(void);
/* Destroy a double linked list, by freeing the handle and nodes,
* user data will not be freed, and may be leaked if not handled
* externally. */
void dll_destroy(double_linked_list *handle);
/* Destroy a double linked list, by freeing the handle and nodes,
* and the user data. */
void dll_destroy_with_data(double_linked_list *handle);
void dll_destroy_with_data_memtype(double_linked_list *handle,
void *data_memory_type);
/* Creates a node and adds it as the first item in the list */
double_linked_list_node *dll_prepend(double_linked_list *handle, void *data);
/* Creates a node and adds it as the last item in the list */
double_linked_list_node *dll_append(double_linked_list *handle, void *data);
/* Delete the first node in the list, and return the data */
void *dll_delete_first_node(double_linked_list *handle);
/* Delete the last node in the list, and return the data */
void *dll_delete_last_node(double_linked_list *handle);
/* Delete the designated node in the list, and return the data */
void *dll_delete_node(double_linked_list *handle,
double_linked_list_node *node);
#endif /* PCEP_UTILS_INCLUDE_PCEP_UTILS_DOUBLE_LINKED_LIST_H_ */
|
