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netfilter: xtables: replace XT_MATCH_ITERATE macro

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The macro is replaced by a list.h-like foreach loop. This makes
the code more inspectable.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jan Engelhardt
2010-02-24 18:34:48 +01:00
committed by Patrick McHardy
parent 0559518b5b
commit dcea992aca
6 changed files with 141 additions and 49 deletions
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10
include/linux/netfilter/x_tables.h
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@@ -120,6 +120,7 @@ struct xt_counters_info {
#define XT_INV_PROTO 0x40 /* Invert the sense of PROTO. */
#ifndef __KERNEL__
/* fn returns 0 to continue iteration */
#define XT_MATCH_ITERATE(type, e, fn, args...) \
({ \
@@ -139,7 +140,6 @@ struct xt_counters_info {
__ret; \
})
#ifndef __KERNEL__
/* fn returns 0 to continue iteration */
#define XT_ENTRY_ITERATE_CONTINUE(type, entries, size, n, fn, args...) \
({ \
@@ -172,6 +172,14 @@ struct xt_counters_info {
(pos) < (typeof(pos))((char *)(ehead) + (esize)); \
(pos) = (typeof(pos))((char *)(pos) + (pos)->next_offset))
/* can only be xt_entry_match, so no use of typeof here */
#define xt_ematch_foreach(pos, entry) \
for ((pos) = (struct xt_entry_match *)entry->elems; \
(pos) < (struct xt_entry_match *)((char *)(entry) + \
(entry)->target_offset); \
(pos) = (struct xt_entry_match *)((char *)(pos) + \
(pos)->u.match_size))
#ifdef __KERNEL__
#include <linux/netdevice.h>