blob: 48cac620cbcd06e45d7127a80a3470f7d18d4a76 [file] [log] [blame]
/* Copyright 2021, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test_skel.h"
int main(int argc, char *argv[]) {
int exit_status = 0;
// Get two unique paths to play with.
char foo[] = "tempfile.XXXXXX";
int fd_foo = mkstemp(foo);
assert(fd_foo != -1);
// Make sure it exists.
assert(access(foo, F_OK) == 0);
// Make sure sys_stat() and a libc stat() implementation return the same
// information.
struct stat libc_stat;
assert(stat(foo, &libc_stat) == 0);
struct kernel_stat raw_stat;
// We need to check our stat syscall for EOVERFLOW, as sometimes the integer
// types used in the stat structures are too small to fit the actual value.
// E.g. on some systems st_ino is 32-bit, but some filesystems have 64-bit
// inodes.
int rc = sys_stat(foo, &raw_stat);
if (rc < 0 && errno == EOVERFLOW) {
// Bail out since we had an overflow in the stat structure.
exit_status = SKIP_TEST_EXIT_STATUS;
goto cleanup;
}
assert(rc == 0);
assert(libc_stat.st_ino == raw_stat.st_ino);
cleanup:
sys_unlink(foo);
return exit_status;
}