#!/bin/sh
# This would infloop when using glibc's regex at least until glibc-2.36.
. "${srcdir=.}/init.sh"; path_prepend_ ../src

require_timeout_
require_en_utf8_locale_

fail=0

cat <<\EOF > glibc-check.c
#include <features.h>
#ifdef __GLIBC__
int ok;
#else
# error "not glibc"
#endif
EOF
$CC -c glibc-check.c && glibc=1 || glibc=0

grep '^#define USE_INCLUDED_REGEX 1' "$CONFIG_HEADER" \
  && included_regex=1 || included_regex=0

case $glibc:$included_regex in
  0:0) skip_ 'runs only with glibc or when built with the included regex'
esac

echo a > in || framework_failure_
timeout 2 env LC_ALL=en_US.UTF-8 grep -E -w '((()|a)|())*' in || fail=1

Exit $fail