#! /bin/sh
# Test for a bug in glibc's regex code as of September 7, 2014.
#
# Copyright (C) 2014 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

failures=0

# FIXME-2014: once the glibc bug is fixed, remove this skip-if-glibc guard.
# Since this tests for an as-yet-unfixed bug in glibc,
# we expect it to fail on such systems.
# Since we expect this test to fail, we must skip this test on
# non-glibc systems.
cat <<\EOF > glibc.c
#include <features.h>
#if defined __GNU_LIBRARY__ && __GLIBC__ >= 2
#else
"run this test only with glibc"
#endif
EOF
$CC -c glibc.c \
  || skip_ 'this test runs only on systems with glibc'

echo a > in || framework_failure_

fail=0
grep -E '(.?)(.?)(.?)\3\2\1' in > out || fail=1
compare out in || fail=1

Exit $fail