File: rename.c

package info (click to toggle)
systemtap 2.6-0.2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 21,220 kB
  • ctags: 10,944
  • sloc: cpp: 53,239; ansic: 50,615; exp: 33,694; sh: 9,906; xml: 7,665; perl: 2,089; python: 1,534; tcl: 1,236; makefile: 797; java: 148; lisp: 104; awk: 94; asm: 91; sed: 16
file content (86 lines) | stat: -rw-r--r-- 2,624 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
/* COVERAGE: rename renameat */

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>

// To test for glibc support for renameat():
//
// Since glibc 2.10:
//	_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
// Before glibc 2.10:
//	_ATFILE_SOURCE

#define GLIBC_SUPPORT \
  (_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L \
   || defined(_ATFILE_SOURCE))

int main()
{
  int fd1;

  fd1 = creat("file1", S_IREAD|S_IWRITE);
  close (fd1);
  
  mkdir("dir1", S_IREAD|S_IWRITE|S_IEXEC);
  mkdir("dir3", S_IREAD|S_IWRITE|S_IEXEC);

  fd1 = creat("dir3/file", S_IREAD|S_IWRITE);
  close (fd1);

  rename("file1", "file2");
  //staptest// rename ("file1", "file2") = 0

  rename("dir1", "dir2");
  //staptest// rename ("dir1", "dir2") = 0

  // This will fail since the target isn't empty.
  rename("dir2", "dir3");
  //staptest// rename ("dir2", "dir3") = -NNNN (ENOTEMPTY!!!!EEXIST)

  // This will fail since you can't rename a file to a directory.
  rename("file2", "dir2");
  //staptest// rename ("file2", "dir2") = -NNNN (EISDIR)

  // You can't rename a directory to a subdirectory of itself.
  rename("dir2", "dir2/dir4");
  //staptest// rename ("dir2", "dir2/dir4") = -NNNN (EINVAL)

  // You can't rename a directory to a file.
  rename("dir2", "file2");
  //staptest// rename ("dir2", "file2") = -NNNN (ENOTDIR)

  rename("file2", (char *)-1);
  //staptest// rename ("file2", XXXX) = -NNNN (EFAULT)

#if GLIBC_SUPPORT
  renameat(AT_FDCWD, "file2", AT_FDCWD, "file1");
  //staptest// renameat (AT_FDCWD, "file2", AT_FDCWD, "file1") = 0

  renameat(AT_FDCWD, "dir2", AT_FDCWD, "dir1");
  //staptest// renameat (AT_FDCWD, "dir2", AT_FDCWD, "dir1") = 0

  // This will fail since the target isn't empty.
  renameat(AT_FDCWD, "dir1", AT_FDCWD, "dir3");
  //staptest// renameat (AT_FDCWD, "dir1", AT_FDCWD, "dir3") = -NNNN (ENOTEMPTY!!!!EEXIST)

  // This will fail since you can't rename a file to a directory.
  renameat(AT_FDCWD, "file1", AT_FDCWD, "dir1");
  //staptest// renameat (AT_FDCWD, "file1", AT_FDCWD, "dir1") = -NNNN (EISDIR)

  // You can't rename a directory to a subdirectory of itself.
  renameat(AT_FDCWD, "dir1", AT_FDCWD, "dir1/dir4");
  //staptest// renameat (AT_FDCWD, "dir1", AT_FDCWD, "dir1/dir4") = -NNNN (EINVAL)

  // You can't rename a directory to a file.
  renameat(AT_FDCWD, "dir1", AT_FDCWD, "file1");
  //staptest// renameat (AT_FDCWD, "dir1", AT_FDCWD, "file1") = -NNNN (ENOTDIR)

  renameat(AT_FDCWD, "file1", AT_FDCWD, (char *)-1);
  //staptest// renameat (AT_FDCWD, "file1", AT_FDCWD, XXXX) = -NNNN (EFAULT)

#endif
  return 0;
}