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# This file is sourced by init.sh, *before* its initialization.
# Copyright (C) 2010-2021 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/>.
# Skip the current test if valgrind doesn't work,
# which could happen if not installed,
# or hasn't support for the built architecture,
# or hasn't appropriate error suppressions installed etc.
# This goes hand in hand with the "exec 9>&2;" in tests/Makefile.am's
# TESTS_ENVIRONMENT definition.
stderr_fileno_=9
# Having an unsearchable directory in PATH causes execve to fail with EACCES
# when applied to an unresolvable program name, contrary to the desired ENOENT.
# Avoid the problem by rewriting PATH to exclude unsearchable directories.
# Also, if PATH lacks /sbin and/or /usr/sbin, append it/them.
sanitize_path_()
{
# FIXME: remove double quotes around $IFS when all tests use init.sh.
# They constitute a work-around for a bug in FreeBSD 8.1's /bin/sh.
local saved_IFS="$IFS"
IFS=$PATH_SEPARATOR
set -- $PATH
IFS=$saved_IFS
local d d1
local colon=
local new_path=
for d in "$@"; do
test -z "$d" && d1=. || d1=$d
if ls -d "$d1/." > /dev/null 2>&1; then
new_path="$new_path$colon$d"
colon=$PATH_SEPARATOR
fi
done
for d in /sbin /usr/sbin ; do
case "$PATH_SEPARATOR$new_path$PATH_SEPARATOR" in
*$PATH_SEPARATOR$d$PATH_SEPARATOR*) ;;
*) new_path="$new_path$PATH_SEPARATOR$d" ;;
esac
done
PATH=$new_path
export PATH
}
require_valgrind_()
{
valgrind --error-exitcode=1 true 2>/dev/null ||
skip_ "requires a working valgrind"
}
sanitize_path_
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