1 /* Test of execution of program termination handlers.
2 Copyright (C) 2007-2009 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 Bruno Haible <bruno@clisp.org>, 2007. */
30 #include "same-inode.h"
33 # define symlink(a,b) (-1)
34 #endif /* !HAVE_SYMLINK */
36 #define ASSERT(expr) \
41 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
48 #define BASE "t-can-lgpl.tmp"
53 #ifdef GNULIB_CANONICALIZE
54 /* No need to test canonicalize-lgpl module if canonicalize is also
59 /* Setup some hierarchy to be used by this test. Start by removing
60 any leftovers from a previous partial run. */
63 ASSERT (system ("rm -rf " BASE " ise") == 0);
64 ASSERT (mkdir (BASE, 0700) == 0);
65 fd = creat (BASE "/tra", 0600);
67 ASSERT (close (fd) == 0);
70 /* Check for ., .., intermediate // handling, and for error cases. */
72 char *result = canonicalize_file_name (BASE "//./..//" BASE "/tra");
73 ASSERT (result != NULL);
74 ASSERT (strstr (result, "/" BASE "/tra")
75 == result + strlen (result) - strlen ("/" BASE "/tra"));
78 result = canonicalize_file_name ("");
79 ASSERT (result == NULL);
80 ASSERT (errno == ENOENT);
82 result = canonicalize_file_name (NULL);
83 ASSERT (result == NULL);
84 ASSERT (errno == EINVAL);
87 /* Check that a non-directory with trailing slash yields NULL. */
91 result = canonicalize_file_name (BASE "/tra/");
92 ASSERT (result == NULL);
93 ASSERT (errno == ENOTDIR);
96 /* Check that a missing directory yields NULL. */
100 result = canonicalize_file_name (BASE "/zzz/..");
101 ASSERT (result == NULL);
102 ASSERT (errno == ENOENT);
105 /* From here on out, tests involve symlinks. */
106 if (symlink (BASE "/ket", "ise") != 0)
108 ASSERT (remove (BASE "/tra") == 0);
109 ASSERT (rmdir (BASE) == 0);
110 fputs ("skipping test: symlinks not supported on this filesystem\n",
114 ASSERT (symlink ("bef", BASE "/plo") == 0);
115 ASSERT (symlink ("tra", BASE "/huk") == 0);
116 ASSERT (symlink ("lum", BASE "/bef") == 0);
117 ASSERT (symlink ("wum", BASE "/ouk") == 0);
118 ASSERT (symlink ("../ise", BASE "/ket") == 0);
119 ASSERT (mkdir (BASE "/lum", 0700) == 0);
120 ASSERT (symlink ("//.//../..", BASE "/droot") == 0);
122 /* Check that the symbolic link to a file can be resolved. */
124 char *result1 = canonicalize_file_name (BASE "/huk");
125 char *result2 = canonicalize_file_name (BASE "/tra");
126 ASSERT (result1 != NULL);
127 ASSERT (result2 != NULL);
128 ASSERT (strcmp (result1, result2) == 0);
129 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"),
130 "/" BASE "/tra") == 0);
135 /* Check that the symbolic link to a directory can be resolved. */
137 char *result1 = canonicalize_file_name (BASE "/plo");
138 char *result2 = canonicalize_file_name (BASE "/bef");
139 char *result3 = canonicalize_file_name (BASE "/lum");
140 ASSERT (result1 != NULL);
141 ASSERT (result2 != NULL);
142 ASSERT (result3 != NULL);
143 ASSERT (strcmp (result1, result2) == 0);
144 ASSERT (strcmp (result2, result3) == 0);
145 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/lum"),
146 "/" BASE "/lum") == 0);
152 /* Check that a symbolic link to a nonexistent file yields NULL. */
156 result = canonicalize_file_name (BASE "/ouk");
157 ASSERT (result == NULL);
158 ASSERT (errno == ENOENT);
161 /* Check that a non-directory symlink with trailing slash yields NULL. */
165 result = canonicalize_file_name (BASE "/huk/");
166 ASSERT (result == NULL);
167 ASSERT (errno == ENOTDIR);
170 /* Check that a missing directory via symlink yields NULL. */
174 result = canonicalize_file_name (BASE "/ouk/..");
175 ASSERT (result == NULL);
176 ASSERT (errno == ENOENT);
179 /* Check that a loop of symbolic links is detected. */
183 result = canonicalize_file_name ("ise");
184 ASSERT (result == NULL);
185 ASSERT (errno == ELOOP);
188 /* Check that leading // is honored correctly. */
192 char *result1 = canonicalize_file_name ("//.");
193 char *result2 = canonicalize_file_name (BASE "/droot");
196 ASSERT (stat ("/", &st1) == 0);
197 ASSERT (stat ("//", &st2) == 0);
198 if (SAME_INODE (st1, st2))
200 ASSERT (strcmp (result1, "/") == 0);
201 ASSERT (strcmp (result2, "/") == 0);
205 ASSERT (strcmp (result1, "//") == 0);
206 ASSERT (strcmp (result2, "//") == 0);
214 ASSERT (remove (BASE "/droot") == 0);
215 ASSERT (remove (BASE "/plo") == 0);
216 ASSERT (remove (BASE "/huk") == 0);
217 ASSERT (remove (BASE "/bef") == 0);
218 ASSERT (remove (BASE "/ouk") == 0);
219 ASSERT (remove (BASE "/ket") == 0);
220 ASSERT (remove (BASE "/lum") == 0);
221 ASSERT (remove (BASE "/tra") == 0);
222 ASSERT (remove (BASE) == 0);
223 ASSERT (remove ("ise") == 0);