| /* Copyright 2021 Google LLC |
| * |
| * 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 LLC 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; |
| } |