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# Copyright (C) 2012-2025 Free Software Foundation, Inc.
#
# This file is part of GNU Inetutils.
#
# GNU Inetutils 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.
#
# GNU Inetutils 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 `http://www.gnu.org/licenses/'.
# Helpers and supporting functionality for test scripts.
GREP=${GREP:-@GREP@}
EGREP=${EGREP:-"@EGREP@"}
FGREP=${FGREP:-"@FGREP@"}
SED=${SED:-@SED@}
DD=${DD:-@DD@}
MKTEMP=${MKTEMP:-@MKTEMP@}
NETSTAT=${NETSTAT:-@NETSTAT@}
TARGET=${TARGET:-@TARGET@}
TARGET6=${TARGET6:-@TARGET6@}
TEST_IPV4=${TEST_IPV4:-@TEST_IPV4@}
TEST_IPV6=${TEST_IPV6:-@TEST_IPV6@}
srcdir=${srcdir:-.}
RUNTIME_IPV4=${RUNTIME_IPV4:-"./runtime-ipv6$EXEEXT -4"}
RUNTIME_IPV6=${RUNTIME_IPV6:-"./runtime-ipv6$EXEEXT -6"}
# Avoid IPv4 when not functional.
if test "$TEST_IPV4" = "auto"; then
$RUNTIME_IPV4 || { TEST_IPV4="no"
echo "Suppressing non-supported IPv4."; }
fi
# Avoid IPv6 when not functional.
if test "$TEST_IPV6" = "auto"; then
$RUNTIME_IPV6 || { TEST_IPV6="no"
echo "Suppressing non-supported IPv6."; }
fi
# Variables for signalling presence of a utility:
#
# need_toolname Set to `false' if `toolname' is missing,
# otherwise set to `:'.
#
# exit_no_toolname Function to exit with a message related to `toolname'.
#
# Suggested idiom:
#
# $need_toolname || exit_no_toolname
# `grep', `sed', and `uname' are used already by autoconfiguration,
# so their existence is not tested for.
need_id=false
if id >/dev/null 2>&1; then
need_id=:
fi
exit_no_id () {
echo >&2 'No available id(1). Skipping test.'
exit 77
}
need_dd=false
if eval "$DD if=/dev/zero bs=5 count=1 >/dev/null 2>&1"; then
need_dd=:
fi
exit_no_dd () {
echo >&2 'No available dd(1). Skipping test.'
exit 77
}
need_mktemp=false
if eval "$MKTEMP -u temp.XXXXXX >/dev/null 2>&1"; then
need_mktemp=:
fi
exit_no_mktemp () {
echo >&2 'No available mktemp(1). Skipping test.'
exit 77
}
need_netstat=false
if eval "$NETSTAT -n >/dev/null 2>&1"; then
need_netstat=:
fi
exit_no_netstat () {
echo >&2 'No available netstat(1), used for diagnosis. Skipping test.'
exit 77
}
# Some Solaris variants provide id(1) lacking `-u' switch.
# Work around this by some computation.
func_id_uid () {
id $1 2>&1 | $SED -n 's,.*uid=\([0-9]*\).*,\1,p'
}
func_id_user () {
id $1 2>&1 | $SED -n 's,.*uid=[0-9]*(\([^)]*\).*,\1,p'
}
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