/* Test program for returning the canonical absolute name of a given file.
-Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-Contributed by David Mosberger <davidm@azstarnet.com>.
+ Copyright (C) 1996-2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Mosberger <davidm@azstarnet.com>.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
/* This file must be run from within a directory called "stdlib". */
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
+#include <sys/stat.h>
-static char cwd[1024];
+/* Prototype for our test function. */
+extern int do_test (int argc, char *argv[]);
+#include <test-skeleton.c>
+
+#ifndef PATH_MAX
+# define PATH_MAX 4096
+#endif
+static char cwd[PATH_MAX];
static size_t cwd_len;
struct {
struct {
const char * in, * out, * resolved;
- int errno;
+ int error;
} tests[] = {
/* 0 */
{"/", "/"},
{"/////////////////////////////////", "/"},
{"/.././.././.././..///", "/"},
{"/etc", "/etc"},
- {"/etc/../etc", "/etc"},
+ {"/etc/../etc", "/etc"},
/* 5 */
{"/doesNotExist/../etc", 0, "/doesNotExist", ENOENT},
{"./././././././././.", "."},
{"SYMLINK_5", 0, "./doesNotExist", ENOENT},
{"SYMLINK_5/foobar", 0, "./doesNotExist", ENOENT},
{"doesExist/../../stdlib/doesExist", "./doesExist"},
- {"doesExist/.././../stdlib/.", "."}
+ {"doesExist/.././../stdlib/.", "."},
+ /* 30 */
+ {"./doesExist/someFile/", 0, "./doesExist/someFile", ENOTDIR},
+ {"./doesExist/someFile/..", 0, "./doesExist/someFile", ENOTDIR},
};
-int
+static int
check_path (const char * result, const char * expected)
{
int good;
}
-void
-main (int argc, char ** argv)
+int
+do_test (int argc, char ** argv)
{
char * result;
- int fd, i, errors = 0;
+ int i, errors = 0;
char buf[PATH_MAX];
- getcwd (cwd, sizeof(buf));
+ getcwd (cwd, sizeof (buf));
cwd_len = strlen (cwd);
- for (i = 0; i < sizeof (symlinks) / sizeof (symlinks[0]); ++i)
+ errno = 0;
+ if (realpath (NULL, buf) != NULL || errno != EINVAL)
+ {
+ printf ("%s: expected return value NULL and errno set to EINVAL"
+ " for realpath(NULL,...)\n", argv[0]);
+ ++errors;
+ }
+
+#if 0
+ /* This is now allowed. The test is invalid. */
+ errno = 0;
+ if (realpath ("/", NULL) != NULL || errno != EINVAL)
+ {
+ printf ("%s: expected return value NULL and errno set to EINVAL"
+ " for realpath(...,NULL)\n", argv[0]);
+ ++errors;
+ }
+#endif
+
+ errno = 0;
+ if (realpath ("", buf) != NULL || errno != ENOENT)
+ {
+ printf ("%s: expected return value NULL and set errno to ENOENT"
+ " for realpath(\"\",...)\n", argv[0]);
+ ++errors;
+ }
+
+ for (i = 0; i < (int) (sizeof (symlinks) / sizeof (symlinks[0])); ++i)
symlink (symlinks[i].value, symlinks[i].name);
- fd = open("doesExist", O_CREAT | O_EXCL, 0777);
+ int has_dir = mkdir ("doesExist", 0777) == 0;
+
+ int fd = has_dir ? creat ("doesExist/someFile", 0777) : -1;
- for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
+ for (i = 0; i < (int) (sizeof (tests) / sizeof (tests[0])); ++i)
{
buf[0] = '\0';
result = realpath (tests[i].in, buf);
continue;
}
- if (!tests[i].out && errno != tests[i].errno)
+ if (!tests[i].out && errno != tests[i].error)
{
printf ("%s: flunked test %d (expected errno %d, got %d)\n",
- argv[0], i, tests[i].errno, errno);
+ argv[0], i, tests[i].error, errno);
++errors;
continue;
}
+
+ char *result2 = realpath (tests[i].in, NULL);
+ if ((result2 == NULL && result != NULL)
+ || (result2 != NULL && strcmp (result, result2) != 0))
+ {
+ printf ("\
+%s: realpath(..., NULL) produced different result than realpath(..., buf): '%s' vs '%s'\n",
+ argv[0], result2, result);
+ ++errors;
+ }
+ free (result2);
}
- getcwd (buf, sizeof(buf));
+ getcwd (buf, sizeof (buf));
if (strcmp (buf, cwd))
{
printf ("%s: current working directory changed from %s to %s\n",
}
if (fd >= 0)
- unlink("doesExist");
+ {
+ close (fd);
+ unlink ("doesExist/someFile");
+ }
+
+ if (has_dir)
+ rmdir ("doesExist");
- for (i = 0; i < sizeof (symlinks) / sizeof (symlinks[0]); ++i)
+ for (i = 0; i < (int) (sizeof (symlinks) / sizeof (symlinks[0])); ++i)
unlink (symlinks[i].name);
- if (errors == 0)
- {
- puts ("No errors.");
- exit (EXIT_SUCCESS);
- }
- else
+ if (errors != 0)
{
printf ("%d errors.\n", errors);
- exit (EXIT_FAILURE);
+ return EXIT_FAILURE;
}
+
+ puts ("No errors.");
+ return EXIT_SUCCESS;
}