2 * Copyright (c) 2016-2019 The strace developers.
5 * SPDX-License-Identifier: GPL-2.0-or-later
14 # include <sys/stat.h>
15 # include <sys/sysmacros.h>
18 static const char sample[] = "mknodat_sample";
19 static const long int fd = (long int) 0xdeadbeefffffffffULL;
22 call_mknodat(unsigned short mode, unsigned long dev)
24 unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode;
25 return syscall(__NR_mknodat, fd, sample, lmode, dev);
31 unsigned long dev = (unsigned long) 0xdeadbeefbadc0dedULL;
33 long rc = call_mknodat(0, dev);
34 printf("mknodat(-1, \"%s\", 000) = %ld %s (%m)\n",
35 sample, rc, errno2name());
37 rc = call_mknodat(0xffff, dev);
38 printf("mknodat(-1, \"%s\", %#03ho) = %ld %s (%m)\n",
39 sample, (unsigned short) -1, rc, errno2name());
41 rc = call_mknodat(S_IFREG, 0);
42 printf("mknodat(-1, \"%s\", S_IFREG|000) = %ld %s (%m)\n",
43 sample, rc, errno2name());
45 rc = call_mknodat(S_IFDIR | 06, 0);
46 printf("mknodat(-1, \"%s\", S_IFDIR|006) = %ld %s (%m)\n",
47 sample, rc, errno2name());
49 rc = call_mknodat(S_IFLNK | 060, 0);
50 printf("mknodat(-1, \"%s\", S_IFLNK|060) = %ld %s (%m)\n",
51 sample, rc, errno2name());
53 rc = call_mknodat(S_IFIFO | 0600, 0);
54 printf("mknodat(-1, \"%s\", S_IFIFO|0600) = %ld %s (%m)\n",
55 sample, rc, errno2name());
57 dev = (unsigned long) 0xdeadbeef00000000ULL | makedev(1, 7);
59 rc = call_mknodat(S_IFCHR | 024, dev);
60 printf("mknodat(-1, \"%s\", S_IFCHR|024, makedev(0x1, 0x7)) = %ld %s (%m)\n",
61 sample, rc, errno2name());
63 const unsigned short mode = (0xffff & ~S_IFMT) | S_IFBLK;
64 dev = (unsigned long) 0xdeadbeefbadc0dedULL;
66 rc = call_mknodat(mode, dev);
67 printf("mknodat(-1, \"%s\", S_IFBLK|S_ISUID|S_ISGID|S_ISVTX|%#03ho"
68 ", makedev(%#x, %#x)) = %ld %s (%m)\n",
69 sample, (short) (mode & ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX)),
70 major((unsigned) dev), minor((unsigned) dev),
73 puts("+++ exited with 0 +++");
79 SKIP_MAIN_UNDEFINED("__NR_mknodat")