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#!/bin/sh
#
# Check -tt option.
#
# Copyright (c) 2016-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
precision="${1:-6}"
[ x0 = "x$#" ] || shift
opts="${*:--tt}"
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
cat > "$EXP" << __EOF__
($t_reg)\\.[[:digit:]]{${precision}} execve\\("\\.\\./sleep", \\["\\.\\./sleep", "0"\\], 0x[[:xdigit:]]* /\\* [[:digit:]]* vars \\*/\\) = 0
__EOF__
match_grep "$LOG" "$EXP"
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