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Diffstat (limited to 'gnulib-tests/test-fstatat.c')
-rw-r--r-- | gnulib-tests/test-fstatat.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gnulib-tests/test-fstatat.c b/gnulib-tests/test-fstatat.c new file mode 100644 index 0000000..f0f12b5 --- /dev/null +++ b/gnulib-tests/test-fstatat.c @@ -0,0 +1,108 @@ +/* Tests of fstatat. + Copyright (C) 2009-2020 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 + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Eric Blake <ebb9@byu.net>, 2009. */ + +#include <config.h> + +#include <sys/stat.h> + +#include "signature.h" +SIGNATURE_CHECK (fstatat, int, (int, char const *, struct stat *, int)); + +#include <fcntl.h> +#include <errno.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "openat.h" +#include "same-inode.h" +#include "ignore-value.h" +#include "macros.h" + +#ifndef BASE +# define BASE "test-fstatat.t" +#endif + +#include "test-lstat.h" +#include "test-stat.h" + +static int dfd = AT_FDCWD; + +/* Wrapper around fstatat to test stat behavior. */ +static int +do_stat (char const *name, struct stat *st) +{ +#ifdef TEST_STATAT + return statat (dfd, name, st); +#else + return fstatat (dfd, name, st, 0); +#endif +} + +/* Wrapper around fstatat to test lstat behavior. */ +static int +do_lstat (char const *name, struct stat *st) +{ +#ifdef TEST_STATAT + return lstatat (dfd, name, st); +#else + return fstatat (dfd, name, st, AT_SYMLINK_NOFOLLOW); +#endif +} + +int +main (int argc _GL_UNUSED, char *argv[]) +{ + int result; + + /* Remove any leftovers from a previous partial run. */ + ignore_value (system ("rm -rf " BASE "*")); + + /* Test behaviour for invalid file descriptors. */ + { + struct stat statbuf; + + errno = 0; + ASSERT (fstatat (-1, "foo", &statbuf, 0) == -1); + ASSERT (errno == EBADF); + } + { + struct stat statbuf; + + close (99); + errno = 0; + ASSERT (fstatat (99, "foo", &statbuf, 0) == -1); + ASSERT (errno == EBADF); + } + + result = test_stat_func (do_stat, false); + ASSERT (test_lstat_func (do_lstat, false) == result); + dfd = open (".", O_RDONLY); + ASSERT (0 <= dfd); + ASSERT (test_stat_func (do_stat, false) == result); + ASSERT (test_lstat_func (do_lstat, false) == result); + ASSERT (close (dfd) == 0); + + /* FIXME - add additional tests of dfd not at current directory. */ + + if (result == 77) + fputs ("skipping test: symlinks not supported on this file system\n", + stderr); + return result; +} |