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source: kBuild/vendor/grep/2.12/gnulib-tests/test-stat.h

Last change on this file was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

  • Property svn:eol-style set to native
File size: 3.0 KB
Line 
1/* Tests of stat.
2 Copyright (C) 2009-2012 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
16
17/* Written by Eric Blake <ebb9@byu.net>, 2009. */
18
19/* This file is designed to test both stat(n,buf) and
20 fstatat(AT_FDCWD,n,buf,0). FUNC is the function to test. Assumes
21 that BASE and ASSERT are already defined, and that appropriate
22 headers are already included. If PRINT, warn before skipping
23 symlink tests with status 77. */
24
25static int
26test_stat_func (int (*func) (char const *, struct stat *), bool print)
27{
28 struct stat st1;
29 struct stat st2;
30 char *cwd = getcwd (NULL, 0);
31
32 ASSERT (cwd);
33 ASSERT (func (".", &st1) == 0);
34 ASSERT (func ("./", &st2) == 0);
35 ASSERT (SAME_INODE (st1, st2));
36 ASSERT (func (cwd, &st2) == 0);
37 ASSERT (SAME_INODE (st1, st2));
38 ASSERT (func ("/", &st1) == 0);
39 ASSERT (func ("///", &st2) == 0);
40 ASSERT (SAME_INODE (st1, st2));
41
42 errno = 0;
43 ASSERT (func ("", &st1) == -1);
44 ASSERT (errno == ENOENT);
45 errno = 0;
46 ASSERT (func ("nosuch", &st1) == -1);
47 ASSERT (errno == ENOENT);
48 errno = 0;
49 ASSERT (func ("nosuch/", &st1) == -1);
50 ASSERT (errno == ENOENT);
51
52 ASSERT (close (creat (BASE "file", 0600)) == 0);
53 ASSERT (func (BASE "file", &st1) == 0);
54 errno = 0;
55 ASSERT (func (BASE "file/", &st1) == -1);
56 ASSERT (errno == ENOTDIR);
57
58 /* Now for some symlink tests, where supported. We set up:
59 link1 -> directory
60 link2 -> file
61 link3 -> dangling
62 link4 -> loop
63 then test behavior with trailing slash.
64 */
65 if (symlink (".", BASE "link1") != 0)
66 {
67 ASSERT (unlink (BASE "file") == 0);
68 if (print)
69 fputs ("skipping test: symlinks not supported on this file system\n",
70 stderr);
71 return 77;
72 }
73 ASSERT (symlink (BASE "file", BASE "link2") == 0);
74 ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
75 ASSERT (symlink (BASE "link4", BASE "link4") == 0);
76
77 ASSERT (func (BASE "link1/", &st1) == 0);
78 ASSERT (S_ISDIR (st1.st_mode));
79
80 errno = 0;
81 ASSERT (func (BASE "link2/", &st1) == -1);
82 ASSERT (errno == ENOTDIR);
83
84 errno = 0;
85 ASSERT (func (BASE "link3/", &st1) == -1);
86 ASSERT (errno == ENOENT);
87
88 errno = 0;
89 ASSERT (func (BASE "link4/", &st1) == -1);
90 ASSERT (errno == ELOOP);
91
92 /* Cleanup. */
93 ASSERT (unlink (BASE "file") == 0);
94 ASSERT (unlink (BASE "link1") == 0);
95 ASSERT (unlink (BASE "link2") == 0);
96 ASSERT (unlink (BASE "link3") == 0);
97 ASSERT (unlink (BASE "link4") == 0);
98
99 return 0;
100}
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