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[NETFILTER]: kill listhelp.h

Browse source 
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>
This commit is contained in:
Patrick McHardy 2006-09-20 11:57:53 -07:00 • committed by David S. Miller
commit df0933dcb0
15 changed files with 237 additions and 404 deletions
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4
include/linux/netfilter/x_tables.h
View file

@ -138,10 +138,6 @@ struct xt_counters_info
#include <linux/netdevice.h>
#define ASSERT_READ_LOCK(x)
#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/listhelp.h>
#ifdef CONFIG_COMPAT
#define COMPAT_TO_USER 1
#define COMPAT_FROM_USER -1

123
include/linux/netfilter_ipv4/listhelp.h
View file

@ -1,123 +0,0 @@
#ifndef _LISTHELP_H
#define _LISTHELP_H
#include <linux/list.h>
/* Header to do more comprehensive job than linux/list.h; assume list
is first entry in structure. */
/* Return pointer to first true entry, if any, or NULL. A macro
required to allow inlining of cmpfn. */
#define LIST_FIND(head, cmpfn, type, args...) \
({ \
const struct list_head *__i, *__j = NULL; \
\
ASSERT_READ_LOCK(head); \
list_for_each(__i, (head)) \
if (cmpfn((const type)__i , ## args)) { \
__j = __i; \
break; \
} \
(type)__j; \
})
#define LIST_FIND_W(head, cmpfn, type, args...) \
({ \
const struct list_head *__i, *__j = NULL; \
\
ASSERT_WRITE_LOCK(head); \
list_for_each(__i, (head)) \
if (cmpfn((type)__i , ## args)) { \
__j = __i; \
break; \
} \
(type)__j; \
})
/* Just like LIST_FIND but we search backwards */
#define LIST_FIND_B(head, cmpfn, type, args...) \
({ \
const struct list_head *__i, *__j = NULL; \
\
ASSERT_READ_LOCK(head); \
list_for_each_prev(__i, (head)) \
if (cmpfn((const type)__i , ## args)) { \
__j = __i; \
break; \
} \
(type)__j; \
})
static inline int
__list_cmp_same(const void *p1, const void *p2) { return p1 == p2; }
/* Is this entry in the list? */
static inline int
list_inlist(struct list_head *head, const void *entry)
{
return LIST_FIND(head, __list_cmp_same, void *, entry) != NULL;
}
/* Delete from list. */
#ifdef CONFIG_NETFILTER_DEBUG
#define LIST_DELETE(head, oldentry) \
do { \
ASSERT_WRITE_LOCK(head); \
if (!list_inlist(head, oldentry)) \
printk("LIST_DELETE: %s:%u `%s'(%p) not in %s.\n", \
__FILE__, __LINE__, #oldentry, oldentry, #head); \
else list_del((struct list_head *)oldentry); \
} while(0)
#else
#define LIST_DELETE(head, oldentry) list_del((struct list_head *)oldentry)
#endif
/* Append. */
static inline void
list_append(struct list_head *head, void *new)
{
ASSERT_WRITE_LOCK(head);
list_add((new), (head)->prev);
}
/* Prepend. */
static inline void
list_prepend(struct list_head *head, void *new)
{
ASSERT_WRITE_LOCK(head);
list_add(new, head);
}
/* Insert according to ordering function; insert before first true. */
#define LIST_INSERT(head, new, cmpfn) \
do { \
struct list_head *__i; \
ASSERT_WRITE_LOCK(head); \
list_for_each(__i, (head)) \
if ((new), (typeof (new))__i) \
break; \
list_add((struct list_head *)(new), __i->prev); \
} while(0)
/* If the field after the list_head is a nul-terminated string, you
can use these functions. */
static inline int __list_cmp_name(const void *i, const char *name)
{
return strcmp(name, i+sizeof(struct list_head)) == 0;
}
/* Returns false if same name already in list, otherwise does insert. */
static inline int
list_named_insert(struct list_head *head, void *new)
{
if (LIST_FIND(head, __list_cmp_name, void *,
new + sizeof(struct list_head)))
return 0;
list_prepend(head, new);
return 1;
}
/* Find this named element in the list. */
#define list_named_find(head, name) \
LIST_FIND(head, __list_cmp_name, void *, name)
#endif /*_LISTHELP_H*/