From a06ac93dcf311dac3943cb5d96ad47625d413c2d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 20:46:38 +0200 Subject: Adding upstream version 8.30. Signed-off-by: Daniel Baumann --- gnulib-tests/test-symlink.h | 95 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 gnulib-tests/test-symlink.h (limited to 'gnulib-tests/test-symlink.h') diff --git a/gnulib-tests/test-symlink.h b/gnulib-tests/test-symlink.h new file mode 100644 index 0000000..ddc8994 --- /dev/null +++ b/gnulib-tests/test-symlink.h @@ -0,0 +1,95 @@ +/* Tests of symlink. + Copyright (C) 2009-2018 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 . */ + +/* Written by Eric Blake , 2009. */ + +/* This file is designed to test both symlink(a,b) and + symlinkat(a,AT_FDCWD,b). FUNC is the function to test. Assumes + that BASE and ASSERT are already defined, and that appropriate + headers are already included. If PRINT, warn before skipping + symlink tests with status 77. */ + +static int +test_symlink (int (*func) (char const *, char const *), bool print) +{ + if (func ("nowhere", BASE "link1")) + { + if (print) + fputs ("skipping test: symlinks not supported on this file system\n", + stderr); + return 77; + } + + /* Some systems allow the creation of 0-length symlinks as a synonym + for "."; but most reject it. */ + { + int status; + errno = 0; + status = func ("", BASE "link2"); + if (status == -1) + ASSERT (errno == ENOENT || errno == EINVAL); + else + { + ASSERT (status == 0); + ASSERT (unlink (BASE "link2") == 0); + } + } + + /* Sanity checks of failures. */ + errno = 0; + ASSERT (func ("nowhere", "") == -1); + ASSERT (errno == ENOENT); + errno = 0; + ASSERT (func ("nowhere", ".") == -1); + ASSERT (errno == EEXIST || errno == EINVAL); + errno = 0; + ASSERT (func ("somewhere", BASE "link1") == -1); + ASSERT (errno == EEXIST); + errno = 0; + ASSERT (func ("nowhere", BASE "link2/") == -1); + ASSERT (errno == ENOTDIR || errno == ENOENT); + ASSERT (mkdir (BASE "dir", 0700) == 0); + errno = 0; + ASSERT (func ("nowhere", BASE "dir") == -1); + ASSERT (errno == EEXIST); + errno = 0; + ASSERT (func ("nowhere", BASE "dir/") == -1); + ASSERT (errno == EEXIST || errno == EINVAL); + ASSERT (close (creat (BASE "file", 0600)) == 0); + errno = 0; + ASSERT (func ("nowhere", BASE "file") == -1); + ASSERT (errno == EEXIST); + errno = 0; + ASSERT (func ("nowhere", BASE "file/") == -1); + ASSERT (errno == EEXIST || errno == ENOTDIR || errno == ENOENT); + + /* Trailing slash must always be rejected. */ + ASSERT (unlink (BASE "link1") == 0); + ASSERT (func (BASE "link2", BASE "link1") == 0); + errno = 0; + ASSERT (func (BASE "nowhere", BASE "link1/") == -1); + ASSERT (errno == EEXIST || errno == ENOTDIR || errno == ENOENT); + errno = 0; + ASSERT (unlink (BASE "link2") == -1); + ASSERT (errno == ENOENT); + + /* Cleanup. */ + ASSERT (rmdir (BASE "dir") == 0); + ASSERT (unlink (BASE "file") == 0); + ASSERT (unlink (BASE "link1") == 0); + + return 0; +} -- cgit v1.2.3