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. */
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"
36 #define ASSERT(expr) \
41 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
48 #define BASE "t-can-lgpl.tmp"
59 #ifdef GNULIB_CANONICALIZE
60 /* No need to test canonicalize-lgpl module if canonicalize is also
65 /* Setup some hierarchy to be used by this test. Start by removing
66 any leftovers from a previous partial run. */
69 ASSERT (system ("rm -rf " BASE " ise") == 0);
70 ASSERT (mkdir (BASE, 0700) == 0);
71 fd = creat (BASE "/tra", 0600);
73 ASSERT (close (fd) == 0);
76 /* Check for ., .., intermediate // handling, and for error cases. */
78 char *result = canonicalize_file_name (BASE "//./..//" BASE "/tra");
79 ASSERT (result != NULL);
80 ASSERT (strstr (result, "/" BASE "/tra")
81 == result + strlen (result) - strlen ("/" BASE "/tra"));
84 result = canonicalize_file_name ("");
85 ASSERT (result == NULL);
86 ASSERT (errno == ENOENT);
88 result = canonicalize_file_name (null_ptr ());
89 ASSERT (result == NULL);
90 ASSERT (errno == EINVAL);
93 /* Check that a non-directory with trailing slash yields NULL. */
97 result = canonicalize_file_name (BASE "/tra/");
98 ASSERT (result == NULL);
99 ASSERT (errno == ENOTDIR);
102 /* Check that a missing directory yields NULL. */
106 result = canonicalize_file_name (BASE "/zzz/..");
107 ASSERT (result == NULL);
108 ASSERT (errno == ENOENT);
111 /* From here on out, tests involve symlinks. */
112 if (symlink (BASE "/ket", "ise") != 0)
114 ASSERT (remove (BASE "/tra") == 0);
115 ASSERT (rmdir (BASE) == 0);
116 fputs ("skipping test: symlinks not supported on this file system\n",
120 ASSERT (symlink ("bef", BASE "/plo") == 0);
121 ASSERT (symlink ("tra", BASE "/huk") == 0);
122 ASSERT (symlink ("lum", BASE "/bef") == 0);
123 ASSERT (symlink ("wum", BASE "/ouk") == 0);
124 ASSERT (symlink ("../ise", BASE "/ket") == 0);
125 ASSERT (mkdir (BASE "/lum", 0700) == 0);
126 ASSERT (symlink ("//.//../..", BASE "/droot") == 0);
128 /* Check that the symbolic link to a file can be resolved. */
130 char *result1 = canonicalize_file_name (BASE "/huk");
131 char *result2 = canonicalize_file_name (BASE "/tra");
132 ASSERT (result1 != NULL);
133 ASSERT (result2 != NULL);
134 ASSERT (strcmp (result1, result2) == 0);
135 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"),
136 "/" BASE "/tra") == 0);
141 /* Check that the symbolic link to a directory can be resolved. */
143 char *result1 = canonicalize_file_name (BASE "/plo");
144 char *result2 = canonicalize_file_name (BASE "/bef");
145 char *result3 = canonicalize_file_name (BASE "/lum");
146 ASSERT (result1 != NULL);
147 ASSERT (result2 != NULL);
148 ASSERT (result3 != NULL);
149 ASSERT (strcmp (result1, result2) == 0);
150 ASSERT (strcmp (result2, result3) == 0);
151 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/lum"),
152 "/" BASE "/lum") == 0);
158 /* Check that a symbolic link to a nonexistent file yields NULL. */
162 result = canonicalize_file_name (BASE "/ouk");
163 ASSERT (result == NULL);
164 ASSERT (errno == ENOENT);
167 /* Check that a non-directory symlink with trailing slash yields NULL. */
171 result = canonicalize_file_name (BASE "/huk/");
172 ASSERT (result == NULL);
173 ASSERT (errno == ENOTDIR);
176 /* Check that a missing directory via symlink yields NULL. */
180 result = canonicalize_file_name (BASE "/ouk/..");
181 ASSERT (result == NULL);
182 ASSERT (errno == ENOENT);
185 /* Check that a loop of symbolic links is detected. */
189 result = canonicalize_file_name ("ise");
190 ASSERT (result == NULL);
191 ASSERT (errno == ELOOP);
194 /* Check that leading // is honored correctly. */
198 char *result1 = canonicalize_file_name ("//.");
199 char *result2 = canonicalize_file_name (BASE "/droot");
202 ASSERT (stat ("/", &st1) == 0);
203 ASSERT (stat ("//", &st2) == 0);
204 if (SAME_INODE (st1, st2))
206 ASSERT (strcmp (result1, "/") == 0);
207 ASSERT (strcmp (result2, "/") == 0);
211 ASSERT (strcmp (result1, "//") == 0);
212 ASSERT (strcmp (result2, "//") == 0);
220 ASSERT (remove (BASE "/droot") == 0);
221 ASSERT (remove (BASE "/plo") == 0);
222 ASSERT (remove (BASE "/huk") == 0);
223 ASSERT (remove (BASE "/bef") == 0);
224 ASSERT (remove (BASE "/ouk") == 0);
225 ASSERT (remove (BASE "/ket") == 0);
226 ASSERT (remove (BASE "/lum") == 0);
227 ASSERT (remove (BASE "/tra") == 0);
228 ASSERT (remove (BASE) == 0);
229 ASSERT (remove ("ise") == 0);