Enable SSE2 memset for AMD'supcoming Orochi processor.
[glibc.git] / stdlib / test-canon.c
blob92618987951500293b404b0e874bfbd503679a22
1 /* Test program for returning the canonical absolute name of a given file.
2 Copyright (C) 1996,1997,2000,2002,2004,2005,2006
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by David Mosberger <davidm@azstarnet.com>.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, write to the Free
19 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 02111-1307 USA. */
22 /* This file must be run from within a directory called "stdlib". */
24 #include <errno.h>
25 #include <fcntl.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <unistd.h>
30 #include <sys/param.h>
32 /* Prototype for our test function. */
33 extern int do_test (int argc, char *argv[]);
34 #include <test-skeleton.c>
36 #ifndef PATH_MAX
37 # define PATH_MAX 4096
38 #endif
39 static char cwd[PATH_MAX];
40 static size_t cwd_len;
42 struct {
43 const char * name;
44 const char * value;
45 } symlinks[] = {
46 {"SYMLINK_LOOP", "SYMLINK_LOOP"},
47 {"SYMLINK_1", "."},
48 {"SYMLINK_2", "//////./../../etc"},
49 {"SYMLINK_3", "SYMLINK_1"},
50 {"SYMLINK_4", "SYMLINK_2"},
51 {"SYMLINK_5", "doesNotExist"},
54 struct {
55 const char * in, * out, * resolved;
56 int error;
57 } tests[] = {
58 /* 0 */
59 {"/", "/"},
60 {"/////////////////////////////////", "/"},
61 {"/.././.././.././..///", "/"},
62 {"/etc", "/etc"},
63 {"/etc/../etc", "/etc"},
64 /* 5 */
65 {"/doesNotExist/../etc", 0, "/doesNotExist", ENOENT},
66 {"./././././././././.", "."},
67 {"/etc/.//doesNotExist", 0, "/etc/doesNotExist", ENOENT},
68 {"./doesExist", "./doesExist"},
69 {"./doesExist/", "./doesExist"},
70 /* 10 */
71 {"./doesExist/../doesExist", "./doesExist"},
72 {"foobar", 0, "./foobar", ENOENT},
73 {".", "."},
74 {"./foobar", 0, "./foobar", ENOENT},
75 {"SYMLINK_LOOP", 0, "./SYMLINK_LOOP", ELOOP},
76 /* 15 */
77 {"./SYMLINK_LOOP", 0, "./SYMLINK_LOOP", ELOOP},
78 {"SYMLINK_1", "."},
79 {"SYMLINK_1/foobar", 0, "./foobar", ENOENT},
80 {"SYMLINK_2", "/etc"},
81 {"SYMLINK_3", "."},
82 /* 20 */
83 {"SYMLINK_4", "/etc"},
84 {"../stdlib/SYMLINK_1", "."},
85 {"../stdlib/SYMLINK_2", "/etc"},
86 {"../stdlib/SYMLINK_3", "."},
87 {"../stdlib/SYMLINK_4", "/etc"},
88 /* 25 */
89 {"./SYMLINK_5", 0, "./doesNotExist", ENOENT},
90 {"SYMLINK_5", 0, "./doesNotExist", ENOENT},
91 {"SYMLINK_5/foobar", 0, "./doesNotExist", ENOENT},
92 {"doesExist/../../stdlib/doesExist", "./doesExist"},
93 {"doesExist/.././../stdlib/.", "."},
94 /* 30 */
95 {"./doesExist/someFile/", 0, "./doesExist/someFile", ENOTDIR},
96 {"./doesExist/someFile/..", 0, "./doesExist/someFile", ENOTDIR},
100 static int
101 check_path (const char * result, const char * expected)
103 int good;
105 if (!result)
106 return (expected == NULL);
108 if (!expected)
109 return 0;
111 if (expected[0] == '.' && (expected[1] == '/' || expected[1] == '\0'))
112 good = (strncmp (result, cwd, cwd_len) == 0
113 && strcmp (result + cwd_len, expected + 1) == 0);
114 else
115 good = (strcmp (expected, result) == 0);
117 return good;
122 do_test (int argc, char ** argv)
124 char * result;
125 int i, errors = 0;
126 char buf[PATH_MAX];
128 getcwd (cwd, sizeof(buf));
129 cwd_len = strlen (cwd);
131 errno = 0;
132 if (realpath (NULL, buf) != NULL || errno != EINVAL)
134 printf ("%s: expected return value NULL and errno set to EINVAL"
135 " for realpath(NULL,...)\n", argv[0]);
136 ++errors;
139 #if 0
140 /* This is now allowed. The test is invalid. */
141 errno = 0;
142 if (realpath ("/", NULL) != NULL || errno != EINVAL)
144 printf ("%s: expected return value NULL and errno set to EINVAL"
145 " for realpath(...,NULL)\n", argv[0]);
146 ++errors;
148 #endif
150 errno = 0;
151 if (realpath ("", buf) != NULL || errno != ENOENT)
153 printf ("%s: expected return value NULL and set errno to ENOENT"
154 " for realpath(\"\",...)\n", argv[0]);
155 ++errors;
158 for (i = 0; i < (int) (sizeof (symlinks) / sizeof (symlinks[0])); ++i)
159 symlink (symlinks[i].value, symlinks[i].name);
161 int has_dir = mkdir ("doesExist", 0777) == 0;
163 int fd = has_dir ? creat ("doesExist/someFile", 0777) : -1;
165 for (i = 0; i < (int) (sizeof (tests) / sizeof (tests[0])); ++i)
167 buf[0] = '\0';
168 result = realpath (tests[i].in, buf);
170 if (!check_path (result, tests[i].out))
172 printf ("%s: flunked test %d (expected `%s', got `%s')\n",
173 argv[0], i, tests[i].out ? tests[i].out : "NULL",
174 result ? result : "NULL");
175 ++errors;
176 continue;
179 if (!check_path (buf, tests[i].out ? tests[i].out : tests[i].resolved))
181 printf ("%s: flunked test %d (expected resolved `%s', got `%s')\n",
182 argv[0], i, tests[i].out ? tests[i].out : tests[i].resolved,
183 buf);
184 ++errors;
185 continue;
188 if (!tests[i].out && errno != tests[i].error)
190 printf ("%s: flunked test %d (expected errno %d, got %d)\n",
191 argv[0], i, tests[i].error, errno);
192 ++errors;
193 continue;
196 char *result2 = realpath (tests[i].in, NULL);
197 if ((result2 == NULL && result != NULL)
198 || (result2 != NULL && strcmp (result, result2) != 0))
200 printf ("\
201 %s: realpath(..., NULL) produced different result than realpath(..., buf): '%s' vs '%s'\n",
202 argv[0], result2, result);
203 ++errors;
205 free (result2);
208 getcwd (buf, sizeof(buf));
209 if (strcmp (buf, cwd))
211 printf ("%s: current working directory changed from %s to %s\n",
212 argv[0], cwd, buf);
213 ++errors;
216 if (fd >= 0)
218 close (fd);
219 unlink ("doesExist/someFile");
222 if (has_dir)
223 rmdir ("doesExist");
225 for (i = 0; i < (int) (sizeof (symlinks) / sizeof (symlinks[0])); ++i)
226 unlink (symlinks[i].name);
228 if (errors != 0)
230 printf ("%d errors.\n", errors);
231 return EXIT_FAILURE;
234 puts ("No errors.");
235 return EXIT_SUCCESS;