-/* Tests of symlinkat and readlinkat.
- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+/* Tests of symlinkat.
+ Copyright (C) 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "signature.h"
SIGNATURE_CHECK (symlinkat, int, (char const *, int, char const *));
-SIGNATURE_CHECK (readlinkat, ssize_t, (int, char const *, char *, size_t));
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
+#include "ignore-value.h"
#include "macros.h"
#ifndef HAVE_SYMLINK
#define BASE "test-symlinkat.t"
-#include "test-readlink.h"
#include "test-symlink.h"
static int dfd = AT_FDCWD;
return symlinkat (contents, dfd, name);
}
-static ssize_t
-do_readlink (char const *name, char *buf, size_t len)
-{
- return readlinkat (dfd, name, buf, len);
-}
-
int
main (void)
{
- char buf[80];
int result;
/* Remove any leftovers from a previous partial run. */
- system ("rm -rf " BASE "*");
+ ignore_value (system ("rm -rf " BASE "*"));
+
+ /* Test behaviour for invalid file descriptors. */
+ {
+ errno = 0;
+ ASSERT (symlinkat ("foo", -1, "bar") == -1);
+ ASSERT (errno == EBADF
+ || errno == ENOSYS /* seen on mingw */
+ );
+ }
+ {
+ close (99);
+ errno = 0;
+ ASSERT (symlinkat ("foo", 99, "bar") == -1);
+ ASSERT (errno == EBADF
+ || errno == ENOSYS /* seen on mingw */
+ );
+ }
/* Perform same checks as counterpart functions. */
- result = test_readlink (do_readlink, false);
- ASSERT (test_symlink (do_symlink, false) == result);
+ result = test_symlink (do_symlink, false);
dfd = openat (AT_FDCWD, ".", O_RDONLY);
ASSERT (0 <= dfd);
- ASSERT (test_readlink (do_readlink, false) == result);
ASSERT (test_symlink (do_symlink, false) == result);
- /* Now perform some cross-directory checks. Skip everything else on
- mingw. */
- if (HAVE_SYMLINK)
- {
- const char *contents = "don't matter!";
- ssize_t exp = strlen (contents);
-
- /* Create link while cwd is '.', then read it in '..'. */
- ASSERT (symlinkat (contents, AT_FDCWD, BASE "link") == 0);
- errno = 0;
- ASSERT (symlinkat (contents, dfd, BASE "link") == -1);
- ASSERT (errno == EEXIST);
- ASSERT (chdir ("..") == 0);
- errno = 0;
- ASSERT (readlinkat (AT_FDCWD, BASE "link", buf, sizeof buf) == -1);
- ASSERT (errno == ENOENT);
- ASSERT (readlinkat (dfd, BASE "link", buf, sizeof buf) == exp);
- ASSERT (strncmp (contents, buf, exp) == 0);
- ASSERT (unlinkat (dfd, BASE "link", 0) == 0);
-
- /* Create link while cwd is '..', then read it in '.'. */
- ASSERT (symlinkat (contents, dfd, BASE "link") == 0);
- ASSERT (fchdir (dfd) == 0);
- errno = 0;
- ASSERT (symlinkat (contents, AT_FDCWD, BASE "link") == -1);
- ASSERT (errno == EEXIST);
- buf[0] = '\0';
- ASSERT (readlinkat (AT_FDCWD, BASE "link", buf, sizeof buf) == exp);
- ASSERT (strncmp (contents, buf, exp) == 0);
- buf[0] = '\0';
- ASSERT (readlinkat (dfd, BASE "link", buf, sizeof buf) == exp);
- ASSERT (strncmp (contents, buf, exp) == 0);
- ASSERT (unlink (BASE "link") == 0);
- }
-
ASSERT (close (dfd) == 0);
if (result == 77)
fputs ("skipping test: symlinks not supported on this file system\n",