[PATCH] lib/timeutils: Add %s (seconds since the Epoch) to parse_timestamp()

[Peter Ujfalusi <peter.ujfalusi@linux.intel.com>]

The %s comes handy with for example dmesg with the --since within scripts
to handle log rages.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
---
 lib/timeutils.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/timeutils.c b/lib/timeutils.c
index 2e28ada8bc47..6dda2e8deefb 100644
--- a/lib/timeutils.c
+++ b/lib/timeutils.c
@@ -181,6 +181,7 @@ int parse_timestamp(const char *t, usec_t *usec)
 	 *
 	 *   2012-09-22 16:34:22
 	 *   2012-09-22T16:34:22
+	 *   1348331662		  (seconds since the Epoch (1970-01-01 00:00 UTC))
 	 *   2012-09-22 16:34	  (seconds will be set to 0)
 	 *   2012-09-22		  (time will be set to 00:00:00)
 	 *   16:34:22		  (date will be set to today)
@@ -325,6 +326,13 @@ int parse_timestamp(const char *t, usec_t *usec)
 		goto finish;
 	}
 
+	tm = copy;
+	k = strptime(t, "%s", &tm);
+	if (k && *k == 0) {
+		tm.tm_sec = 0;
+		goto finish;
+	}
+
 	return -EINVAL;
 
  finish:
-- 
2.37.3