From 5923ad488a1eb3c41e07cf598c1251ce07ea6c04 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 4 Nov 2018 15:37:15 +0100 Subject: Move cron library code to crond Nothing else uses it. Signed-off-by: David Oberhollenzer --- crond/crontab.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 crond/crontab.c (limited to 'crond/crontab.c') diff --git a/crond/crontab.c b/crond/crontab.c new file mode 100644 index 0000000..f761ec0 --- /dev/null +++ b/crond/crontab.c @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * Copyright (C) 2018 - David Oberhollenzer + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#include + +#include "crontab.h" + +void cron_tm_to_mask(crontab_t *out, struct tm *t) +{ + memset(out, 0, sizeof(*out)); + out->minute = 1UL << ((unsigned long)t->tm_min); + out->hour = 1 << t->tm_hour; + out->dayofmonth = 1 << (t->tm_mday - 1); + out->month = 1 << t->tm_mon; + out->dayofweek = 1 << t->tm_wday; +} + +bool cron_should_run(const crontab_t *t, const crontab_t *mask) +{ + if ((t->minute & mask->minute) == 0) + return false; + + if ((t->hour & mask->hour) == 0) + return false; + + if ((t->dayofmonth & mask->dayofmonth) == 0) + return false; + + if ((t->month & mask->month) == 0) + return false; + + if ((t->dayofweek & mask->dayofweek) == 0) + return false; + + return true; +} -- cgit v1.2.3