#!/bin/sh
#
# Check decoding and dumping of readv and writev syscalls.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# 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_strace_match_diff -a16 -e trace=readv,writev \
	-eread=all -ewrite='!none'
run_strace_match_diff -a16 -e trace=readv,writev \
	-eread='!none' -ewrite=all
run_strace_match_diff -a16 -e trace=readv,writev \
	-eread=none -ewrite='!all' -eread='!0,1,2' -ewrite='!0,1,2'
run_strace_match_diff -a16 -e trace=readv,writev \
	-eread='!all' -ewrite=none -eread='!0,1,2' -ewrite='!0,1,2'

wfd="$(../print_maxfd)"
rfd="$(($wfd - 1))"
run_strace_match_diff -a16 -e trace=readv,writev \
	-eread="$rfd" -ewrite="$wfd"
run_strace_match_diff -a16 -e trace=readv,writev \
	-eread="!$rfd" -ewrite="!$wfd" -eread="$rfd" -ewrite="$wfd"

rfds='!!!0'
[ $rfd -lt 1023 ] || rfd=1023
i=0
while [ $i -lt $rfd ]; do
	rfds="$rfds,$i"
	i=$(($i + 1))
done

wfds='!!!0'
[ $wfd -lt 1023 ] || wfd=1023
i=0
while [ $i -lt $wfd ]; do
	wfds="$wfds,$i"
	i=$(($i + 1))
done

run_strace_match_diff -a16 -e trace=readv,writev \
	-eread="$rfds" -ewrite="$wfds"