1 /* { dg-require-alias "" } */
2 typedef unsigned char __u8;
3 typedef __u8 u8;
4 typedef u8 u_int8_t;
5 typedef unsigned int gfp_t;
6
7 struct list_head
8 {
9 struct list_head *next, *prev;
10 };
11 extern int strcmp (const char *, const char *);
12 enum
13 {
14 NFPROTO_UNSPEC = 0,
15 NFPROTO_INET = 1,
16 NFPROTO_IPV4 = 2,
17 NFPROTO_ARP = 3,
18 NFPROTO_NETDEV = 5,
19 NFPROTO_BRIDGE = 7,
20 NFPROTO_IPV6 = 10,
21 NFPROTO_DECNET = 12,
22 NFPROTO_NUMPROTO,
23 };
24
25 struct xt_target
26 {
27 struct list_head list;
28 const char name[29];
29 u_int8_t revision;
30 };
31
32 struct xt_af
33 {
34 struct list_head target;
35 };
36
37 static struct xt_af *xt;
38
39 struct xt_af * kcalloc (int, int, int);
40
41 static int
target_revfn(u8 af,const char * name,u8 revision,int * bestp)42 target_revfn (u8 af, const char *name, u8 revision, int *bestp)
43 {
44 const struct xt_target *t;
45 int have_rev = 0;
46
47 for (t = (
48 {
49 void *__mptr = (void *)((&xt[af].target)->next);
50 ((typeof (*t) *) (__mptr -
51 __builtin_offsetof (typeof (*t), list)));}
52 ); &t->list != (&xt[af].target); t = (
53 {
54 void *__mptr =
55 (void *)((t)->list.next);
56 ((typeof (*(t)) *) (__mptr -
57 __builtin_offsetof
58 (typeof
59 (*(t)),
60 list)));}
61 ))
62 {
63 if (strcmp (t->name, name) == 0)
64 {
65 if (t->revision > *bestp)
66 *bestp = t->revision;
67 if (t->revision == revision)
68 have_rev = 1;
69 }
70 }
71
72 if (af != NFPROTO_UNSPEC && !have_rev)
73 return target_revfn (NFPROTO_UNSPEC, name, revision, bestp);
74
75 return have_rev;
76 }
77
78 int
xt_find_revision(u8 af,const char * name,u8 revision,int target,int * err)79 xt_find_revision (u8 af, const char *name, u8 revision, int target, int *err)
80 {
81 int have_rev, best = -1;
82
83 have_rev = target_revfn (af, name, revision, &best);
84
85
86 if (best == -1)
87 {
88 *err = -2;
89 return 0;
90 }
91
92 }
93
94
95 static int __attribute__ ((__section__ (".init.text")))
xt_init(void)96 __attribute__ ((__cold__)) xt_init (void)
97 {
98 xt =
99 kcalloc (NFPROTO_NUMPROTO, sizeof (struct xt_af),
100 (((gfp_t) (0x400u | 0x800u)) | ((gfp_t) 0x40u) |
101 ((gfp_t) 0x80u)));
102 }
103
104 int init_module (void) __attribute__ ((__copy__ (xt_init)))
105 __attribute__ ((alias ("xt_init")));;
106