Viewing file:  20190827-1.c (2.01 KB) -rw-r--r--
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/* { dg-require-alias "" } */
typedef unsigned char __u8;
typedef __u8 u8;
typedef u8 u_int8_t;
typedef unsigned int gfp_t;
struct list_head
{
struct list_head *next, *prev;
};
extern int strcmp (const char *, const char *);
enum
{
NFPROTO_UNSPEC = 0,
NFPROTO_INET = 1,
NFPROTO_IPV4 = 2,
NFPROTO_ARP = 3,
NFPROTO_NETDEV = 5,
NFPROTO_BRIDGE = 7,
NFPROTO_IPV6 = 10,
NFPROTO_DECNET = 12,
NFPROTO_NUMPROTO,
};
struct xt_target
{
struct list_head list;
const char name[29];
u_int8_t revision;
};
struct xt_af
{
struct list_head target;
};
static struct xt_af *xt;
struct xt_af * kcalloc (int, int, int);
static int
target_revfn (u8 af, const char *name, u8 revision, int *bestp)
{
const struct xt_target *t;
int have_rev = 0;
for (t = (
{
void *__mptr = (void *)((&xt[af].target)->next);
((typeof (*t) *) (__mptr -
__builtin_offsetof (typeof (*t), list)));}
); &t->list != (&xt[af].target); t = (
{
void *__mptr =
(void *)((t)->list.next);
((typeof (*(t)) *) (__mptr -
__builtin_offsetof
(typeof
(*(t)),
list)));}
))
{
if (strcmp (t->name, name) == 0)
{
if (t->revision > *bestp)
*bestp = t->revision;
if (t->revision == revision)
have_rev = 1;
}
}
if (af != NFPROTO_UNSPEC && !have_rev)
return target_revfn (NFPROTO_UNSPEC, name, revision, bestp);
return have_rev;
}
int
xt_find_revision (u8 af, const char *name, u8 revision, int target, int *err)
{
int have_rev, best = -1;
have_rev = target_revfn (af, name, revision, &best);
if (best == -1)
{
*err = -2;
return 0;
}
}
static int __attribute__ ((__section__ (".init.text")))
__attribute__ ((__cold__)) xt_init (void)
{
xt =
kcalloc (NFPROTO_NUMPROTO, sizeof (struct xt_af),
(((gfp_t) (0x400u | 0x800u)) | ((gfp_t) 0x40u) |
((gfp_t) 0x80u)));
}
int init_module (void) __attribute__ ((__copy__ (xt_init)))
__attribute__ ((alias ("xt_init")));;
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