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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:39 +0000 |
commit | 5242eef8fc54636a41701fd9d7083ba6e4a4e0b3 (patch) | |
tree | e6a0980092957865a937cc0f34446df3d5194e99 /lib/gettime.c | |
parent | Releasing progress-linux version 1:4.13+dfsg1-5~progress7.99u1. (diff) | |
download | shadow-5242eef8fc54636a41701fd9d7083ba6e4a4e0b3.tar.xz shadow-5242eef8fc54636a41701fd9d7083ba6e4a4e0b3.zip |
Merging upstream version 1:4.15.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/gettime.c')
-rw-r--r-- | lib/gettime.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/gettime.c b/lib/gettime.c new file mode 100644 index 0000000..c61c88c --- /dev/null +++ b/lib/gettime.c @@ -0,0 +1,47 @@ +// 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; +} |