2 Copyright (C) 2009 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */
30 #include "filenamecat.h"
33 #define ASSERT(expr) \
38 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
45 #define BASE "test-renameat.t"
47 #include "test-rename.h"
49 static int dfd1 = AT_FDCWD;
50 static int dfd2 = AT_FDCWD;
52 /* Wrapper to test renameat like rename. */
54 do_rename (char const *name1, char const *name2)
56 return renameat (dfd1, name1, dfd2, name2);
67 /* Clean up any trash from prior testsuite runs. */
68 ASSERT (system ("rm -rf " BASE "*") == 0);
70 /* Test basic rename functionality, using current directory. */
71 result = test_rename (do_rename, false);
72 dfd1 = open (".", O_RDONLY);
74 ASSERT (test_rename (do_rename, false) == result);
76 ASSERT (test_rename (do_rename, false) == result);
78 ASSERT (test_rename (do_rename, false) == result);
79 ASSERT (close (dfd2) == 0);
81 /* Create locations to manipulate. */
82 ASSERT (mkdir (BASE "sub1", 0700) == 0);
83 ASSERT (mkdir (BASE "sub2", 0700) == 0);
84 dfd = creat (BASE "00", 0600);
86 ASSERT (close (dfd) == 0);
89 dfd = open (BASE "sub1", O_RDONLY);
91 ASSERT (chdir (BASE "sub2") == 0);
93 /* There are 16 possible scenarios, based on whether an fd is
94 AT_FDCWD or real, and whether a file is absolute or relative.
96 To ensure that we test all of the code paths (rather than
97 triggering early normalization optimizations), we use a loop to
98 repeatedly rename a file in the parent directory, use an fd open
99 on subdirectory 1, all while executing in subdirectory 2; all
100 relative names are thus given with a leading "../". Finally, the
101 last scenario (two relative paths given, neither one AT_FDCWD)
102 has two paths, based on whether the two fds are equivalent, so we
103 do the other variant after the loop. */
104 for (i = 0; i < 16; i++)
106 int fd1 = (i & 8) ? dfd : AT_FDCWD;
107 char *file1 = file_name_concat ((i & 4) ? ".." : cwd, BASE "xx", NULL);
108 int fd2 = (i & 2) ? dfd : AT_FDCWD;
109 char *file2 = file_name_concat ((i & 1) ? ".." : cwd, BASE "xx", NULL);
111 ASSERT (sprintf (strchr (file1, '\0') - 2, "%02d", i) == 2);
112 ASSERT (sprintf (strchr (file2, '\0') - 2, "%02d", i + 1) == 2);
113 ASSERT (renameat (fd1, file1, fd2, file2) == 0);
117 dfd2 = open ("..", O_RDONLY);
119 ASSERT (renameat (dfd, "../" BASE "16", dfd2, BASE "17") == 0);
120 ASSERT (close (dfd2) == 0);
122 /* Now we change back to the parent directory, and set dfd to ".";
123 using dfd in remaining tests will expose any bugs if emulation
124 via /proc/self/fd doesn't check for empty names. */
125 ASSERT (chdir ("..") == 0);
126 ASSERT (close (dfd) == 0);
127 dfd = open (".", O_RDONLY);
130 ASSERT (close (creat (BASE "sub2/file", 0600)) == 0);
132 ASSERT (renameat (dfd, BASE "sub1", dfd, BASE "sub2") == -1);
133 ASSERT (errno == EEXIST || errno == ENOTEMPTY);
134 ASSERT (unlink (BASE "sub2/file") == 0);
136 ASSERT (renameat (dfd, BASE "sub2", dfd, BASE "sub1/.") == -1);
137 ASSERT (errno == EINVAL || errno == EISDIR || errno == EBUSY);
139 ASSERT (renameat (dfd, BASE "sub2/.", dfd, BASE "sub1") == -1);
140 ASSERT (errno == EINVAL || errno == EBUSY);
142 ASSERT (renameat (dfd, BASE "17", dfd, BASE "sub1") == -1);
143 ASSERT (errno == EISDIR);
145 ASSERT (renameat (dfd, BASE "nosuch", dfd, BASE "18") == -1);
146 ASSERT (errno == ENOENT);
148 ASSERT (renameat (dfd, "", dfd, BASE "17") == -1);
149 ASSERT (errno == ENOENT);
151 ASSERT (renameat (dfd, BASE "17", dfd, "") == -1);
152 ASSERT (errno == ENOENT);
154 ASSERT (renameat (dfd, BASE "sub2", dfd, BASE "17") == -1);
155 ASSERT (errno == ENOTDIR);
157 ASSERT (renameat (dfd, BASE "17/", dfd, BASE "18") == -1);
158 ASSERT (errno == ENOTDIR);
160 ASSERT (renameat (dfd, BASE "17", dfd, BASE "18/") == -1);
161 ASSERT (errno == ENOTDIR || errno == ENOENT);
163 /* Finally, make sure we can overwrite existing files. */
164 ASSERT (close (creat (BASE "sub2/file", 0600)) == 0);
166 ASSERT (renameat (dfd, BASE "sub2", dfd, BASE "sub1") == 0);
167 ASSERT (renameat (dfd, BASE "sub1/file", dfd, BASE "17") == 0);
170 ASSERT (close (dfd) == 0);
172 ASSERT (unlink (BASE "sub1/file") == -1);
173 ASSERT (errno == ENOENT);
174 ASSERT (unlink (BASE "17") == 0);
175 ASSERT (rmdir (BASE "sub1") == 0);
177 ASSERT (rmdir (BASE "sub2") == -1);
178 ASSERT (errno == ENOENT);
182 fputs ("skipping test: symlinks not supported on this file system\n",