1 /* { dg-do compile } */
2 /* { dg-options "-O2 -mcmodel=large -fno-builtin" } */
3 /* { dg-skip-if "-mcmodel=large -fPIC not currently supported" { aarch64-*-* } { "-fPIC" } { "" } } */
4
5 typedef long unsigned int size_t;
6 typedef unsigned short int sa_family_t;
7
8 struct sockaddr
9 {
10 sa_family_t sa_family;
11 char sa_data[14];
12 };
13 struct arpreq
14 {
15 int arp_flags;
16 struct sockaddr arp_netmask;
17 };
18 typedef struct _IO_FILE FILE;
19 extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream);
20 extern void *memset (void *s, int c, size_t n);
21 extern void *memcpy (void *dest, const void *src, size_t n);
22 extern int fprintf (FILE *stream, const char *format, ...);
23 extern char * safe_strncpy (char *dst, const char *src, size_t size);
24 extern size_t strlen (const char *s);
25 extern struct _IO_FILE *stderr;
26 extern int optind;
27 struct aftype {
28 int (*input) (int type, char *bufp, struct sockaddr *);
29 };
30 struct aftype *ap;
arp_set(char ** args)31 static int arp_set(char **args)
32 {
33 char host[128];
34 struct arpreq req;
35 struct sockaddr sa;
36 memset((char *) &req, 0, sizeof(req));
37 if (*args == ((void *)0)) {
38 fprintf(stderr, ("arp: need host name\n"));
39 }
40 safe_strncpy(host, *args++, (sizeof host));
41 if (ap->input(0, host, &sa) < 0) {
42 }
43 while (*args != ((void *)0)) {
44 if (!__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (*args) && __builtin_constant_p ("netmask") && (__s1_len = strlen (*args), __s2_len = strlen ("netmask"), (!((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) || __s1_len >= 4) && (!((size_t)(const void *)(("netmask") + 1) - (size_t)(const void *)("netmask") == 1) || __s2_len >= 4)) ? __builtin_strcmp (*args, "netmask") : (__builtin_constant_p (*args) && ((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) && (__s1_len = strlen (*args), __s1_len < 4) ? (__builtin_constant_p ("netmask") && ((size_t)(const void *)(("netmask") + 1) - (size_t)(const void *)("netmask") == 1) ? __builtin_strcmp (*args, "netmask") : (__extension__ ({ __const unsigned char *__s2 = (__const unsigned char *) (__const char *) ("netmask"); register int __result = (((__const unsigned char *) (__const char *) (*args))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((__const unsigned char *) (__const char *) (*args))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((__const unsigned char *) (__const char *) (*args))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((__const unsigned char *) (__const char *) (*args))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("netmask") && ((size_t)(const void *)(("netmask") + 1) - (size_t)(const void *)("netmask") == 1) && (__s2_len = strlen ("netmask"), __s2_len < 4) ? (__builtin_constant_p (*args) && ((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) ? __builtin_strcmp (*args, "netmask") : (__extension__ ({ __const unsigned char *__s1 = (__const unsigned char *) (__const char *) (*args); register int __result = __s1[0] - ((__const unsigned char *) (__const char *) ("netmask"))[0]; if (__s2_len > 0 && __result == 0) { __result = (__s1[1] - ((__const unsigned char *) (__const char *) ("netmask"))[1]); if (__s2_len > 1 && __result == 0) { __result = (__s1[2] - ((__const unsigned char *) (__const char *) ("netmask"))[2]); if (__s2_len > 2 && __result == 0) __result = (__s1[3] - ((__const unsigned char *) (__const char *) ("netmask"))[3]); } } __result; }))) : __builtin_strcmp (*args, "netmask")))); })) {
45 if (__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (*args) && __builtin_constant_p ("255.255.255.255") && (__s1_len = strlen (*args), __s2_len = strlen ("255.255.255.255"), (!((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) || __s1_len >= 4) && (!((size_t)(const void *)(("255.255.255.255") + 1) - (size_t)(const void *)("255.255.255.255") == 1) || __s2_len >= 4)) ? __builtin_strcmp (*args, "255.255.255.255") : (__builtin_constant_p (*args) && ((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) && (__s1_len = strlen (*args), __s1_len < 4) ? (__builtin_constant_p ("255.255.255.255") && ((size_t)(const void *)(("255.255.255.255") + 1) - (size_t)(const void *)("255.255.255.255") == 1) ? __builtin_strcmp (*args, "255.255.255.255") : (__extension__ ({ __const unsigned char *__s2 = (__const unsigned char *) (__const char *) ("255.255.255.255"); register int __result = (((__const unsigned char *) (__const char *) (*args))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result = (((__const unsigned char *) (__const char *) (*args))[1] - __s2[1]); if (__s1_len > 1 && __result == 0) { __result = (((__const unsigned char *) (__const char *) (*args))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = (((__const unsigned char *) (__const char *) (*args))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p ("255.255.255.255") && ((size_t)(const void *)(("255.255.255.255") + 1) - (size_t)(const void *)("255.255.255.255") == 1) && (__s2_len = strlen ("255.255.255.255"), __s2_len < 4) ? (__builtin_constant_p (*args) && ((size_t)(const void *)((*args) + 1) - (size_t)(const void *)(*args) == 1) ? __builtin_strcmp (*args, "255.255.255.255") : (__extension__ ({ __const unsigned char *__s1 = (__const unsigned char *) (__const char *) (*args); register int __result = __s1[0] - ((__const unsigned char *) (__const char *) ("255.255.255.255"))[0]; if (__s2_len > 0 && __result == 0) { __result = (__s1[1] - ((__const unsigned char *) (__const char *) ("255.255.255.255"))[1]); if (__s2_len > 1 && __result == 0) { __result = (__s1[2] - ((__const unsigned char *) (__const char *) ("255.255.255.255"))[2]); if (__s2_len > 2 && __result == 0) __result = (__s1[3] - ((__const unsigned char *) (__const char *) ("255.255.255.255"))[3]); } } __result; }))) : __builtin_strcmp (*args, "255.255.255.255")))); }) != 0) {
46 memcpy((char *) &req.arp_netmask, (char *) &sa,
47 sizeof(struct sockaddr));
48 }
49 }
50 }
51 }
arp_file(char * name)52 static int arp_file(char *name)
53 {
54 char buff[1024];
55 char *sp, *args[32];
56 int linenr, argc;
57 FILE *fp;
58 while (fgets(buff, sizeof(buff), fp) != (char *) ((void *)0)) {
59 if (arp_set(args) != 0)
60 fprintf(stderr, ("arp: cannot set entry on line %u on line %u of etherfile %s !\n"),
61 linenr, name);
62 }
63 }
main(int argc,char ** argv)64 int main(int argc, char **argv)
65 {
66 int i, lop, what;
67 switch (what) {
68 case 0:
69 what = arp_file(argv[optind] ? argv[optind] : "/etc/ethers");
70 }
71 }
72