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1 #include "tests.h"
2 #include <asm/unistd.h>
3 
4 #ifdef __NR_mknod
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;
12 
13 static long
call_mknod(unsigned short mode,unsigned long dev)14 call_mknod(unsigned short mode, unsigned long dev)
15 {
16 	unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode;
17 	return syscall(__NR_mknod, sample, lmode, dev);
18 }
19 
20 int
main(int ac,char ** av)21 main(int ac, char **av)
22 {
23 	unsigned long dev = (unsigned long) 0xdeadbeefbadc0dedULL;
24 	sample = av[0];
25 
26 	long rc = call_mknod(0, dev);
27 	printf("mknod(\"%s\", 000) = %ld %s (%m)\n",
28 	       sample, rc, errno2name());
29 
30 	rc = call_mknod(0xffff, dev);
31 	printf("mknod(\"%s\", %#03ho) = %ld %s (%m)\n",
32 	       sample, (unsigned short) -1, rc, errno2name());
33 
34 	rc = call_mknod(S_IFREG, 0);
35 	printf("mknod(\"%s\", S_IFREG|000) = %ld %s (%m)\n",
36 	       sample, rc, errno2name());
37 
38 	rc = call_mknod(S_IFDIR | 06, 0);
39 	printf("mknod(\"%s\", S_IFDIR|006) = %ld %s (%m)\n",
40 	       sample, rc, errno2name());
41 
42 	rc = call_mknod(S_IFLNK | 060, 0);
43 	printf("mknod(\"%s\", S_IFLNK|060) = %ld %s (%m)\n",
44 	       sample, rc, errno2name());
45 
46 	rc = call_mknod(S_IFIFO | 0600, 0);
47 	printf("mknod(\"%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_mknod(S_IFCHR | 024, dev);
53 	printf("mknod(\"%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_mknod(mode, dev);
60 	printf("mknod(\"%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_mknod")
73 
74 #endif
75