170 lines
3.7 KiB
C
170 lines
3.7 KiB
C
/* futimesat basic tests.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <support/test-driver.h>
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#include <support/temp_file.h>
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#ifndef struct_stat
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# define struct_stat struct stat64
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# define fstat fstat64
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# define fstatat fstatat64
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#endif
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static int dir_fd;
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static void
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prepare (int argc, char *argv[])
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{
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size_t test_dir_len = strlen (test_dir);
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static const char dir_name[] = "/tst-futimesat.XXXXXX";
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size_t dirbuflen = test_dir_len + sizeof (dir_name);
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char *dirbuf = malloc (dirbuflen);
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if (dirbuf == NULL)
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{
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puts ("out of memory");
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exit (1);
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}
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snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
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if (mkdtemp (dirbuf) == NULL)
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{
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puts ("cannot create temporary directory");
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exit (1);
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}
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add_temp_file (dirbuf);
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dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
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if (dir_fd == -1)
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{
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puts ("cannot open directory");
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exit (1);
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}
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}
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#define PREPARE prepare
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static int
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do_test (void)
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{
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/* fdopendir takes over the descriptor, make a copy. */
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int dupfd = dup (dir_fd);
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if (dupfd == -1)
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{
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puts ("dup failed");
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return 1;
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}
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if (lseek (dupfd, 0, SEEK_SET) != 0)
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{
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puts ("1st lseek failed");
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return 1;
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}
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/* The directory should be empty safe the . and .. files. */
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DIR *dir = fdopendir (dupfd);
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if (dir == NULL)
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{
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puts ("fdopendir failed");
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return 1;
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}
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struct dirent64 *d;
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while ((d = readdir64 (dir)) != NULL)
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if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
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{
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printf ("temp directory contains file \"%s\"\n", d->d_name);
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return 1;
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}
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closedir (dir);
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/* Try to create a file. */
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int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
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if (fd == -1)
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{
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if (errno == ENOSYS)
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{
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puts ("*at functions not supported");
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return 0;
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}
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puts ("file creation failed");
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return 1;
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}
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write (fd, "hello", 5);
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puts ("file created");
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struct_stat st1;
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if (fstat (fd, &st1) != 0)
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{
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puts ("fstat64 failed");
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return 1;
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}
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close (fd);
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struct timeval tv[2];
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tv[0].tv_sec = st1.st_atime + 1;
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tv[0].tv_usec = 0;
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tv[1].tv_sec = st1.st_mtime + 1;
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tv[1].tv_usec = 0;
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if (futimesat (dir_fd, "some-file", tv) != 0)
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{
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puts ("futimesat failed");
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return 1;
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}
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struct_stat st2;
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if (fstatat (dir_fd, "some-file", &st2, 0) != 0)
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{
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puts ("fstatat64 failed");
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return 1;
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}
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if (st2.st_mtime != tv[1].tv_sec
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#ifdef _STATBUF_ST_NSEC
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|| st2.st_mtim.tv_nsec != 0
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#endif
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)
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{
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puts ("stat shows different mtime");
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return 1;
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}
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if (unlinkat (dir_fd, "some-file", 0) != 0)
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{
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puts ("unlinkat failed");
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return 1;
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}
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close (dir_fd);
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return 0;
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}
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#include <support/test-driver.c>
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