| # Test "ln -sf". | |
| # Copyright (C) 1997-2025 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/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ ln | |
| echo foo > a || framework_failure_ | |
| # Check that a target directory of '.' is supported | |
| # and that indirectly specifying the same target and link name | |
| # through that is detected. | |
| ln -s . b || framework_failure_ | |
| ln -sf a b > err 2>&1 && fail=1 | |
| case $(cat err) in | |
| *'are the same file') ;; | |
| *) fail=1 ;; | |
| esac | |
| # Ensure we replace symlinks that don't or can't link to an existing target. | |
| # coreutils-8.22 would fail to replace {ENOTDIR,ELOOP,ENAMETOOLONG}_link below. | |
| # We apply a limit since AIX returns 2^32-1 which would trigger resource issues. | |
| name_max=$(stat -f -c %l .) && test "$name_max" -lt $((1024*1024)) || | |
| name_max=1 # skip this portion of the test | |
| name_max_plus1=$(expr $name_max + 1) | |
| long_name=$(printf '%*s' $name_max_plus1 | tr ' ' '0') | |
| for f in '' f; do | |
| ln -s$f missing ENOENT_link || fail=1 | |
| ln -s$f a/b ENOTDIR_link || fail=1 | |
| ln -s$f ELOOP_link ELOOP_link || fail=1 | |
| ln -s$f "$long_name" ENAMETOOLONG_link || fail=1 | |
| done | |
| Exit $fail | |