1 #include "tests.h"
2 #include <asm/unistd.h>
3
4 #ifdef __NR_mknodat
5
6 # include <stdio.h>
7 # include <sys/stat.h>
8 # include <sys/sysmacros.h>
9 # include <unistd.h>
10
11 static const char sample[] = "mknodat_sample";
12 static const long int fd = (long int) 0xdeadbeefffffffffULL;
13
14 static long
call_mknodat(unsigned short mode,unsigned long dev)15 call_mknodat(unsigned short mode, unsigned long dev)
16 {
17 unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode;
18 return syscall(__NR_mknodat, fd, sample, lmode, dev);
19 }
20
21 int
main(void)22 main(void)
23 {
24 unsigned long dev = (unsigned long) 0xdeadbeefbadc0dedULL;
25
26 long rc = call_mknodat(0, dev);
27 printf("mknodat(-1, \"%s\", 000) = %ld %s (%m)\n",
28 sample, rc, errno2name());
29
30 rc = call_mknodat(0xffff, dev);
31 printf("mknodat(-1, \"%s\", %#03ho) = %ld %s (%m)\n",
32 sample, (unsigned short) -1, rc, errno2name());
33
34 rc = call_mknodat(S_IFREG, 0);
35 printf("mknodat(-1, \"%s\", S_IFREG|000) = %ld %s (%m)\n",
36 sample, rc, errno2name());
37
38 rc = call_mknodat(S_IFDIR | 06, 0);
39 printf("mknodat(-1, \"%s\", S_IFDIR|006) = %ld %s (%m)\n",
40 sample, rc, errno2name());
41
42 rc = call_mknodat(S_IFLNK | 060, 0);
43 printf("mknodat(-1, \"%s\", S_IFLNK|060) = %ld %s (%m)\n",
44 sample, rc, errno2name());
45
46 rc = call_mknodat(S_IFIFO | 0600, 0);
47 printf("mknodat(-1, \"%s\", S_IFIFO|0600) = %ld %s (%m)\n",
48 sample, rc, errno2name());
49
50 dev = (unsigned long) 0xdeadbeef00000000ULL | makedev(1, 7);
51
52 rc = call_mknodat(S_IFCHR | 024, dev);
53 printf("mknodat(-1, \"%s\", S_IFCHR|024, makedev(1, 7)) = %ld %s (%m)\n",
54 sample, rc, errno2name());
55
56 const unsigned short mode = (0xffff & ~S_IFMT) | S_IFBLK;
57 dev = (unsigned long) 0xdeadbeefbadc0dedULL;
58
59 rc = call_mknodat(mode, dev);
60 printf("mknodat(-1, \"%s\", S_IFBLK|S_ISUID|S_ISGID|S_ISVTX|%#03ho"
61 ", makedev(%u, %u)) = %ld %s (%m)\n",
62 sample, (short) (mode & ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX)),
63 major((unsigned) dev), minor((unsigned) dev),
64 rc, errno2name());
65
66 puts("+++ exited with 0 +++");
67 return 0;
68 }
69
70 #else
71
72 SKIP_MAIN_UNDEFINED("__NR_mknodat")
73
74 #endif
75