1 /*
2  * Copyright 2011 Tom Stellard <tstellar@gmail.com>
3  *
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial
16  * portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  */
27 
28 #include "radeon_list.h"
29 
30 #include <stdlib.h>
31 #include <stdio.h>
32 
33 #include "memory_pool.h"
34 
rc_list(struct memory_pool * pool,void * item)35 struct rc_list * rc_list(struct memory_pool * pool, void * item)
36 {
37 	struct rc_list * new = memory_pool_malloc(pool, sizeof(struct rc_list));
38 	new->Item = item;
39 	new->Next = NULL;
40 	new->Prev = NULL;
41 
42 	return new;
43 }
44 
rc_list_add(struct rc_list ** list,struct rc_list * new_value)45 void rc_list_add(struct rc_list ** list, struct rc_list * new_value)
46 {
47 	struct rc_list * temp;
48 
49 	if (*list == NULL) {
50 		*list = new_value;
51 		return;
52 	}
53 
54 	for (temp = *list; temp->Next; temp = temp->Next);
55 
56 	temp->Next = new_value;
57 	new_value->Prev = temp;
58 }
59 
rc_list_remove(struct rc_list ** list,struct rc_list * rm_value)60 void rc_list_remove(struct rc_list ** list, struct rc_list * rm_value)
61 {
62 	if (*list == rm_value) {
63 		*list = rm_value->Next;
64 		return;
65 	}
66 
67 	rm_value->Prev->Next = rm_value->Next;
68 	if (rm_value->Next) {
69 		rm_value->Next->Prev = rm_value->Prev;
70 	}
71 }
72 
rc_list_count(struct rc_list * list)73 unsigned int rc_list_count(struct rc_list * list)
74 {
75 	unsigned int count = 0;
76 	while (list) {
77 		count++;
78 		list = list->Next;
79 	}
80 	return count;
81 }
82 
rc_list_print(struct rc_list * list)83 void rc_list_print(struct rc_list * list)
84 {
85 	while(list) {
86 		fprintf(stderr, "%p->", list->Item);
87 		list = list->Next;
88 	}
89 	fprintf(stderr, "\n");
90 }
91