1 /* Test of execution of program termination handlers.
2 Copyright (C) 2007-2011 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 Bruno Haible <bruno@clisp.org>, 2007. */
23 #include "signature.h"
24 SIGNATURE_CHECK (realpath, char *, (const char *, char *));
25 SIGNATURE_CHECK (canonicalize_file_name, char *, (const char *));
34 #include "same-inode.h"
35 #include "ignore-value.h"
38 #define BASE "t-can-lgpl.tmp"
49 #if GNULIB_TEST_CANONICALIZE
50 /* No need to test canonicalize-lgpl module if canonicalize is also
55 /* Setup some hierarchy to be used by this test. Start by removing
56 any leftovers from a previous partial run. */
59 ignore_value (system ("rm -rf " BASE " ise"));
60 ASSERT (mkdir (BASE, 0700) == 0);
61 fd = creat (BASE "/tra", 0600);
63 ASSERT (close (fd) == 0);
66 /* Check for ., .., intermediate // handling, and for error cases. */
68 char *result = canonicalize_file_name (BASE "//./..//" BASE "/tra");
69 ASSERT (result != NULL);
70 ASSERT (strstr (result, "/" BASE "/tra")
71 == result + strlen (result) - strlen ("/" BASE "/tra"));
74 result = canonicalize_file_name ("");
75 ASSERT (result == NULL);
76 ASSERT (errno == ENOENT);
78 result = canonicalize_file_name (null_ptr ());
79 ASSERT (result == NULL);
80 ASSERT (errno == EINVAL);
83 /* Check that a non-directory with trailing slash yields NULL. */
87 result = canonicalize_file_name (BASE "/tra/");
88 ASSERT (result == NULL);
89 ASSERT (errno == ENOTDIR);
92 /* Check that a missing directory yields NULL. */
96 result = canonicalize_file_name (BASE "/zzz/..");
97 ASSERT (result == NULL);
98 ASSERT (errno == ENOENT);
101 /* From here on out, tests involve symlinks. */
102 if (symlink (BASE "/ket", "ise") != 0)
104 ASSERT (remove (BASE "/tra") == 0);
105 ASSERT (rmdir (BASE) == 0);
106 fputs ("skipping test: symlinks not supported on this file system\n",
110 ASSERT (symlink ("bef", BASE "/plo") == 0);
111 ASSERT (symlink ("tra", BASE "/huk") == 0);
112 ASSERT (symlink ("lum", BASE "/bef") == 0);
113 ASSERT (symlink ("wum", BASE "/ouk") == 0);
114 ASSERT (symlink ("../ise", BASE "/ket") == 0);
115 ASSERT (mkdir (BASE "/lum", 0700) == 0);
116 ASSERT (symlink ("//.//../..", BASE "/droot") == 0);
118 /* Check that the symbolic link to a file can be resolved. */
120 char *result1 = canonicalize_file_name (BASE "/huk");
121 char *result2 = canonicalize_file_name (BASE "/tra");
122 ASSERT (result1 != NULL);
123 ASSERT (result2 != NULL);
124 ASSERT (strcmp (result1, result2) == 0);
125 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"),
126 "/" BASE "/tra") == 0);
131 /* Check that the symbolic link to a directory can be resolved. */
133 char *result1 = canonicalize_file_name (BASE "/plo");
134 char *result2 = canonicalize_file_name (BASE "/bef");
135 char *result3 = canonicalize_file_name (BASE "/lum");
136 ASSERT (result1 != NULL);
137 ASSERT (result2 != NULL);
138 ASSERT (result3 != NULL);
139 ASSERT (strcmp (result1, result2) == 0);
140 ASSERT (strcmp (result2, result3) == 0);
141 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/lum"),
142 "/" BASE "/lum") == 0);
148 /* Check that a symbolic link to a nonexistent file yields NULL. */
152 result = canonicalize_file_name (BASE "/ouk");
153 ASSERT (result == NULL);
154 ASSERT (errno == ENOENT);
157 /* Check that a non-directory symlink with trailing slash yields NULL. */
161 result = canonicalize_file_name (BASE "/huk/");
162 ASSERT (result == NULL);
163 ASSERT (errno == ENOTDIR);
166 /* Check that a missing directory via symlink yields NULL. */
170 result = canonicalize_file_name (BASE "/ouk/..");
171 ASSERT (result == NULL);
172 ASSERT (errno == ENOENT);
175 /* Check that a loop of symbolic links is detected. */
179 result = canonicalize_file_name ("ise");
180 ASSERT (result == NULL);
181 ASSERT (errno == ELOOP);
184 /* Check that leading // is honored correctly. */
188 char *result1 = canonicalize_file_name ("//.");
189 char *result2 = canonicalize_file_name (BASE "/droot");
192 ASSERT (stat ("/", &st1) == 0);
193 ASSERT (stat ("//", &st2) == 0);
194 if (SAME_INODE (st1, st2))
196 ASSERT (strcmp (result1, "/") == 0);
197 ASSERT (strcmp (result2, "/") == 0);
201 ASSERT (strcmp (result1, "//") == 0);
202 ASSERT (strcmp (result2, "//") == 0);
210 ASSERT (remove (BASE "/droot") == 0);
211 ASSERT (remove (BASE "/plo") == 0);
212 ASSERT (remove (BASE "/huk") == 0);
213 ASSERT (remove (BASE "/bef") == 0);
214 ASSERT (remove (BASE "/ouk") == 0);
215 ASSERT (remove (BASE "/ket") == 0);
216 ASSERT (remove (BASE "/lum") == 0);
217 ASSERT (remove (BASE "/tra") == 0);
218 ASSERT (remove (BASE) == 0);
219 ASSERT (remove ("ise") == 0);