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authorPatrick McHardy <kaber@trash.net>2006-09-20 14:57:53 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 18:19:45 -0400
commitdf0933dcb027e156cb5253570ad694b81bd52b69 (patch)
tree48588f78dfda69f737b5ccfff02787ca0dad6036 /include
parent1bf38a36b6a0e810dafae048fdbb999e587f0f2f (diff)
[NETFILTER]: kill listhelp.h
Kill listhelp.h and use the list.h functions instead. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/x_tables.h4
-rw-r--r--include/linux/netfilter_ipv4/listhelp.h123
2 files changed, 0 insertions, 127 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 03d1027fb0e8..c832295dbf61 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -138,10 +138,6 @@ struct xt_counters_info
138 138
139#include <linux/netdevice.h> 139#include <linux/netdevice.h>
140 140
141#define ASSERT_READ_LOCK(x)
142#define ASSERT_WRITE_LOCK(x)
143#include <linux/netfilter_ipv4/listhelp.h>
144
145#ifdef CONFIG_COMPAT 141#ifdef CONFIG_COMPAT
146#define COMPAT_TO_USER 1 142#define COMPAT_TO_USER 1
147#define COMPAT_FROM_USER -1 143#define COMPAT_FROM_USER -1
diff --git a/include/linux/netfilter_ipv4/listhelp.h b/include/linux/netfilter_ipv4/listhelp.h
deleted file mode 100644
index 5d92cf044d91..000000000000
--- a/include/linux/netfilter_ipv4/listhelp.h
+++ /dev/null
@@ -1,123 +0,0 @@
1#ifndef _LISTHELP_H
2#define _LISTHELP_H
3#include <linux/list.h>
4
5/* Header to do more comprehensive job than linux/list.h; assume list
6 is first entry in structure. */
7
8/* Return pointer to first true entry, if any, or NULL. A macro
9 required to allow inlining of cmpfn. */
10#define LIST_FIND(head, cmpfn, type, args...) \
11({ \
12 const struct list_head *__i, *__j = NULL; \
13 \
14 ASSERT_READ_LOCK(head); \
15 list_for_each(__i, (head)) \
16 if (cmpfn((const type)__i , ## args)) { \
17 __j = __i; \
18 break; \
19 } \
20 (type)__j; \
21})
22
23#define LIST_FIND_W(head, cmpfn, type, args...) \
24({ \
25 const struct list_head *__i, *__j = NULL; \
26 \
27 ASSERT_WRITE_LOCK(head); \
28 list_for_each(__i, (head)) \
29 if (cmpfn((type)__i , ## args)) { \
30 __j = __i; \
31 break; \
32 } \
33 (type)__j; \
34})
35
36/* Just like LIST_FIND but we search backwards */
37#define LIST_FIND_B(head, cmpfn, type, args...) \
38({ \
39 const struct list_head *__i, *__j = NULL; \
40 \
41 ASSERT_READ_LOCK(head); \
42 list_for_each_prev(__i, (head)) \
43 if (cmpfn((const type)__i , ## args)) { \
44 __j = __i; \
45 break; \
46 } \
47 (type)__j; \
48})
49
50static inline int
51__list_cmp_same(const void *p1, const void *p2) { return p1 == p2; }
52
53/* Is this entry in the list? */
54static inline int
55list_inlist(struct list_head *head, const void *entry)
56{
57 return LIST_FIND(head, __list_cmp_same, void *, entry) != NULL;
58}
59
60/* Delete from list. */
61#ifdef CONFIG_NETFILTER_DEBUG
62#define LIST_DELETE(head, oldentry) \
63do { \
64 ASSERT_WRITE_LOCK(head); \
65 if (!list_inlist(head, oldentry)) \
66 printk("LIST_DELETE: %s:%u `%s'(%p) not in %s.\n", \
67 __FILE__, __LINE__, #oldentry, oldentry, #head); \
68 else list_del((struct list_head *)oldentry); \
69} while(0)
70#else
71#define LIST_DELETE(head, oldentry) list_del((struct list_head *)oldentry)
72#endif
73
74/* Append. */
75static inline void
76list_append(struct list_head *head, void *new)
77{
78 ASSERT_WRITE_LOCK(head);
79 list_add((new), (head)->prev);
80}
81
82/* Prepend. */
83static inline void
84list_prepend(struct list_head *head, void *new)
85{
86 ASSERT_WRITE_LOCK(head);
87 list_add(new, head);
88}
89
90/* Insert according to ordering function; insert before first true. */
91#define LIST_INSERT(head, new, cmpfn) \
92do { \
93 struct list_head *__i; \
94 ASSERT_WRITE_LOCK(head); \
95 list_for_each(__i, (head)) \
96 if ((new), (typeof (new))__i) \
97 break; \
98 list_add((struct list_head *)(new), __i->prev); \
99} while(0)
100
101/* If the field after the list_head is a nul-terminated string, you
102 can use these functions. */
103static inline int __list_cmp_name(const void *i, const char *name)
104{
105 return strcmp(name, i+sizeof(struct list_head)) == 0;
106}
107
108/* Returns false if same name already in list, otherwise does insert. */
109static inline int
110list_named_insert(struct list_head *head, void *new)
111{
112 if (LIST_FIND(head, __list_cmp_name, void *,
113 new + sizeof(struct list_head)))
114 return 0;
115 list_prepend(head, new);
116 return 1;
117}
118
119/* Find this named element in the list. */
120#define list_named_find(head, name) \
121LIST_FIND(head, __list_cmp_name, void *, name)
122
123#endif /*_LISTHELP_H*/