83 lines
2.9 KiB
Bash
Executable file
83 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
|
|
# Verify behavior of printenv.
|
|
|
|
# Copyright (C) 2009-2025 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_ printenv
|
|
|
|
# Without arguments, printenv behaves like env. Some shells provide
|
|
# printenv as a builtin, so we must invoke it via "env".
|
|
# But beware of $_, set by many shells to the last command run.
|
|
# Also, filter out LD_PRELOAD, which is set when running under valgrind.
|
|
# Note the apparently redundant "env env": this is to ensure to get
|
|
# env's output the same way as that of printenv and works around a bug
|
|
# on aarch64 at least where libc's execvp reverses the order of the
|
|
# output.
|
|
env -- env | grep -Ev '^(_|LD_PRELOAD)=' > exp || framework_failure_
|
|
env -- printenv | grep -Ev '^(_|LD_PRELOAD)=' > out || fail=1
|
|
compare exp out || fail=1
|
|
|
|
# POSIX is clear that environ may, but need not be, sorted.
|
|
# Environment variable values may contain newlines, which cannot be
|
|
# observed by merely inspecting output from printenv.
|
|
if env -- printenv | grep '^ENV_TEST' >/dev/null ; then
|
|
skip_ "environment has potential interference from ENV_TEST*"
|
|
fi
|
|
|
|
# Printing a single variable's value.
|
|
returns_ 1 env -- printenv ENV_TEST > out || fail=1
|
|
compare /dev/null out || fail=1
|
|
echo a > exp || framework_failure_
|
|
ENV_TEST=a env -- printenv ENV_TEST > out || fail=1
|
|
compare exp out || fail=1
|
|
|
|
# Printing multiple variables. Order follows command line.
|
|
ENV_TEST1=a ENV_TEST2=b env -- printenv ENV_TEST2 ENV_TEST1 ENV_TEST2 > out \
|
|
|| fail=1
|
|
ENV_TEST1=a ENV_TEST2=b env -- printenv ENV_TEST1 ENV_TEST2 >> out || fail=1
|
|
cat <<EOF > exp || framework_failure_
|
|
b
|
|
a
|
|
b
|
|
a
|
|
b
|
|
EOF
|
|
compare exp out || fail=1
|
|
|
|
# Exit status reflects missing variable, but remaining arguments processed.
|
|
export ENV_TEST1=a
|
|
returns_ 1 env -- printenv ENV_TEST2 ENV_TEST1 > out || fail=1
|
|
returns_ 1 env -- printenv ENV_TEST1 ENV_TEST2 >> out || fail=1
|
|
unset ENV_TEST1
|
|
cat <<EOF > exp || framework_failure_
|
|
a
|
|
a
|
|
EOF
|
|
compare exp out || fail=1
|
|
|
|
# Non-standard environment variable name. Shells won't create it, but
|
|
# env can, and printenv must be able to deal with it.
|
|
echo b > exp || framework_failure_
|
|
env -- -a=b printenv -- -a > out || fail=1
|
|
compare exp out || fail=1
|
|
|
|
# Silently reject invalid env-var names.
|
|
# Bug present through coreutils 8.0.
|
|
returns_ 1 env a=b=c printenv a=b > out || fail=1
|
|
compare /dev/null out || fail=1
|
|
|
|
Exit $fail
|