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445f502839
* tests/ls/stat-free-symlinks.sh: Filter out syscalls that return ENOSYS, as that was seen with statx() on Debian 10.13 on mips64, and resulted in overcounting of stat calls.
77 lines
2.8 KiB
Bash
Executable File
77 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# ensure that ls does not stat a symlink in an unusual case
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# Copyright (C) 2007-2023 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program 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
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ ls
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require_strace_ stat
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stats='stat'
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# List of other _file name_ stat functions to increase coverage.
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other_stats='statx lstat stat64 lstat64 newfstatat fstatat64'
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for stat in $other_stats; do
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strace -qe "$stat" true > /dev/null 2>&1 &&
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stats="$stats,$stat"
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done
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# The system may perform additional stat-like calls before main.
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# Furthermore, underlying library functions may also implicitly
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# add an extra stat call, e.g. opendir since glibc-2.21-360-g46f894d.
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# To avoid counting those, first get a baseline count for running
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# ls with one empty directory argument. Then, compare that with the
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# invocation under test.
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count_stats() { grep -vE '\+\+\+|ENOSYS|NOTSUP' "$1" | wc -l; }
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mkdir d || framework_failure_
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strace -q -o log1 -e $stats ls -F --color=always d || fail=1
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n_stat1=$(count_stats log1) || framework_failure_
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test $n_stat1 = 0 \
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&& skip_ 'No stat calls recognized on this platform'
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touch x || framework_failure_
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chmod a+x x || framework_failure_
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ln -s x link-to-x || framework_failure_
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# ls from coreutils 6.9 would unnecessarily stat a symlink in an unusual case:
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# When not coloring orphan and missing entries, and without ln=target,
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# ensure that ls -F (or -d, or -l: i.e., when not dereferencing)
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# does not stat a symlink to directory, and does still color that
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# symlink and an executable file properly.
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LS_COLORS='or=0:mi=0:ex=01;32:ln=01;35' \
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strace -qe $stats -o log2 ls -F --color=always x link-to-x > out.tmp || fail=1
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n_stat2=$(count_stats log2) || framework_failure_
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# Expect one more stat call,
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# which failed with coreutils 6.9 and earlier, which had 2.
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test $n_stat1 = $(($n_stat2 - 1)) \
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|| { fail=1; head -n30 log*; }
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# Check that output is colored, as requested, too.
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{
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printf '\033[0m\033[01;35mlink-to-x\033[0m@\n'
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printf '\033[01;32mx\033[0m*\n'
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} > exp || fail=1
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# Elide info messages strace can send to stdout of the form:
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# [ Process PID=1234 runs in 32 bit mode. ]
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sed '/Process PID=/d' out.tmp > out
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compare exp out || fail=1
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Exit $fail
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