#!/bin/sh
#
# Check -t option.
#
# Copyright (c) 2016-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

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

opts="${*:--t}"

run_prog_skip_if_failed date +%s > "$LOG"
run_prog_skip_if_failed date +%T --date "@$(cat "$LOG")" > /dev/null
run_prog ../sleep 0

s0="$(date +%s)"
run_strace $opts -eexecve $args
s1="$(date +%s)"

s="$s0"
t_reg=
while [ "$s" -le "$s1" ]; do
	t="$(date +%T --date "@$s")"
	[ -z "$t_reg" ] && t_reg="$t" || t_reg="$t_reg|$t"
	s=$((s + 1))
done
t_reg="($t_reg)"

cat > "$EXP" << __EOF__
$t_reg execve\\("\\.\\./sleep", \\["\\.\\./sleep", "0"\\], 0x[[:xdigit:]]* /\\* [[:digit:]]* vars \\*/\\) = 0
$t_reg \\+\\+\\+ exited with 0 \\+\\+\\+
__EOF__

match_grep "$LOG" "$EXP"
