#!/bin/sh
#
# Check whether -c and -w options work.
#
# Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2014-2018 The strace developers.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

. "${srcdir=.}/init.sh"

run_prog ../sleep 0
check_prog grep

grep_log()
{
	local pattern="$1"; shift

	run_strace "$@" ../sleep 1

	grep nanosleep "$LOG" > /dev/null ||
		framework_skip_ 'sleep does not use nanosleep'

	LC_ALL=C grep -E -x -e "$pattern" "$LOG" > /dev/null || {
		echo "Pattern of expected output: $pattern"
		echo 'Actual output:'
		dump_log_and_fail_with "$STRACE $args output mismatch"
	}
}

grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c
grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c -O1
grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c -enanosleep
grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c -O1 -enanosleep
grep_log ' *[^ ]+ +(1\.[01]|0\.99)[^n]*nanosleep'	-cw
grep_log ' *[^ ]+ +(1\.[01]|0\.99)[^n]*nanosleep'	-cw -O1
grep_log '100\.00 +(1\.[01]|0\.99)[^n]*nanosleep'	-cw -enanosleep
grep_log '100\.00 +(1\.[01]|0\.99)[^n]*nanosleep'	-cw -O1 -enanosleep

exit 0