#!/bin/sh
#
# Check decoding and dumping of readv and writev syscalls.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2017 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

. "${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"