| # ensure that ls does not stat a symlink in an unusual case | |
| # Copyright (C) 2007-2025 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_ ls | |
| require_strace_ stat | |
| stats='stat' | |
| # List of other _file name_ stat functions to increase coverage. | |
| other_stats='statx lstat stat64 lstat64 newfstatat fstatat64' | |
| for stat in $other_stats; do | |
| strace -qe "$stat" true > /dev/null 2>&1 && | |
| stats="$stats,$stat" | |
| done | |
| # The system may perform additional stat-like calls before main. | |
| # Furthermore, underlying library functions may also implicitly | |
| # add an extra stat call, e.g. opendir since glibc-2.21-360-g46f894d. | |
| # To avoid counting those, first get a baseline count for running | |
| # ls with one empty directory argument. Then, compare that with the | |
| # invocation under test. | |
| count_stats() { grep -vE '\+\+\+|ENOSYS|NOTSUP' "$1" | wc -l; } | |
| mkdir d || framework_failure_ | |
| strace -q -o log1 -e $stats ls -F --color=always d || fail=1 | |
| n_stat1=$(count_stats log1) || framework_failure_ | |
| test $n_stat1 = 0 \ | |
| && skip_ 'No stat calls recognized on this platform' | |
| touch x || framework_failure_ | |
| chmod a+x x || framework_failure_ | |
| ln -s x link-to-x || framework_failure_ | |
| # ls from coreutils 6.9 would unnecessarily stat a symlink in an unusual case: | |
| # When not coloring orphan and missing entries, and without ln=target, | |
| # ensure that ls -F (or -d, or -l: i.e., when not dereferencing) | |
| # does not stat a symlink to directory, and does still color that | |
| # symlink and an executable file properly. | |
| LS_COLORS='or=0:mi=0:ex=01;32:ln=01;35' \ | |
| strace -qe $stats -o log2 ls -F --color=always x link-to-x > out.tmp || fail=1 | |
| n_stat2=$(count_stats log2) || framework_failure_ | |
| # Expect one more stat call, | |
| # which failed with coreutils 6.9 and earlier, which had 2. | |
| test $n_stat1 = $(($n_stat2 - 1)) \ | |
| || { fail=1; head -n30 log*; } | |
| # Check that output is colored, as requested, too. | |
| { | |
| printf '\033[0m\033[01;35mlink-to-x\033[0m@\n' | |
| printf '\033[01;32mx\033[0m*\n' | |
| } > exp || fail=1 | |
| # Elide info messages strace can send to stdout of the form: | |
| # [ Process PID=1234 runs in 32 bit mode. ] | |
| sed '/Process PID=/d' out.tmp > out | |
| compare exp out || fail=1 | |
| Exit $fail | |