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94caafa040
Now that fstat is implemented on top fstatat we need to handle negative inputs. The implementation now rejects AT_FDCWD, which would otherwise be accepted by the kernel. Checked on x86_64-linux-gnu and on i686-linux-gnu.
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* Basic tests for stat, lstat, fstat, and fstatat.
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Copyright (C) 2021 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 <array_length.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <support/check.h>
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#include <support/support.h>
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#include <support/temp_file.h>
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#include <support/xunistd.h>
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#include <sys/stat.h>
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#include <sys/sysmacros.h>
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#include <unistd.h>
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static void
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stat_check (int fd, const char *path, struct stat *st)
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{
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TEST_COMPARE (stat (path, st), 0);
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}
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static void
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lstat_check (int fd, const char *path, struct stat *st)
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{
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TEST_COMPARE (lstat (path, st), 0);
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}
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static void
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fstat_check (int fd, const char *path, struct stat *st)
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{
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/* Test for invalid fstat input (BZ #27559). */
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TEST_COMPARE (fstat (AT_FDCWD, st), -1);
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TEST_COMPARE (errno, EBADF);
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TEST_COMPARE (fstat (fd, st), 0);
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}
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static void
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fstatat_check (int fd, const char *path, struct stat *st)
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{
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TEST_COMPARE (fstatat (fd, "", st, 0), -1);
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TEST_COMPARE (errno, ENOENT);
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TEST_COMPARE (fstatat (fd, path, st, 0), 0);
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}
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typedef void (*test_t)(int, const char *path, struct stat *);
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static int
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do_test (void)
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{
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char *path;
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int fd = create_temp_file ("tst-fstat.", &path);
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TEST_VERIFY_EXIT (fd >= 0);
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support_write_file_string (path, "abc");
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struct statx stx;
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TEST_COMPARE (statx (fd, path, 0, STATX_BASIC_STATS, &stx), 0);
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test_t tests[] = { stat_check, lstat_check, fstat_check, fstatat_check };
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for (int i = 0; i < array_length (tests); i++)
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{
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struct stat st;
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tests[i](fd, path, &st);
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TEST_COMPARE (stx.stx_dev_major, major (st.st_dev));
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TEST_COMPARE (stx.stx_dev_minor, minor (st.st_dev));
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TEST_COMPARE (stx.stx_ino, st.st_ino);
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TEST_COMPARE (stx.stx_mode, st.st_mode);
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TEST_COMPARE (stx.stx_nlink, st.st_nlink);
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TEST_COMPARE (stx.stx_uid, st.st_uid);
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TEST_COMPARE (stx.stx_gid, st.st_gid);
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TEST_COMPARE (stx.stx_rdev_major, major (st.st_rdev));
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TEST_COMPARE (stx.stx_rdev_minor, minor (st.st_rdev));
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TEST_COMPARE (stx.stx_blksize, st.st_blksize);
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TEST_COMPARE (stx.stx_blocks, st.st_blocks);
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TEST_COMPARE (stx.stx_ctime.tv_sec, st.st_ctim.tv_sec);
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TEST_COMPARE (stx.stx_ctime.tv_nsec, st.st_ctim.tv_nsec);
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TEST_COMPARE (stx.stx_mtime.tv_sec, st.st_mtim.tv_sec);
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TEST_COMPARE (stx.stx_mtime.tv_nsec, st.st_mtim.tv_nsec);
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}
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return 0;
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}
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#include <support/test-driver.c>
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