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// SPDX-FileCopyrightText: 2017, Chris Lamb
// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#include <config.h>
#ident "$Id$"
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include "atoi/a2i.h"
#include "defines.h"
#include "prototypes.h"
#include "shadowlog.h"
/*
* gettime() returns the time as the number of seconds since the Epoch
*
* Like time(), gettime() returns the time as the number of seconds since the
* Epoch, 1970-01-01 00:00:00 +0000 (UTC), except that if the SOURCE_DATE_EPOCH
* environment variable is exported it will use that instead.
*/
/*@observer@*/time_t
gettime(void)
{
char *source_date_epoch;
FILE *shadow_logfd = log_get_logfd();
time_t fallback, epoch;
fallback = time (NULL);
source_date_epoch = shadow_getenv ("SOURCE_DATE_EPOCH");
if (!source_date_epoch)
return fallback;
if (a2i(time_t, &epoch, source_date_epoch, NULL, 10, 0, fallback) == -1) {
fprintf(shadow_logfd,
_("Environment variable $SOURCE_DATE_EPOCH: a2i(\"%s\"): %s"),
source_date_epoch, strerror(errno));
return fallback;
}
return epoch;
}
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