timefuncs: add dostime_localtime function

This does the opposite of dostime_mktime, converting time_t back to
the two dos date time values. We use gmtime_r for native because that
is what is available and acts the same as localtime_r on other platforms
with a regular libc available.

Change-Id: If79469d0aae2d7c5dcdd905fbf04963669aa1138

1 files changed, 1 insertions, 0 deletions

diff --git a/firmware/include/timefuncs.h b/firmware/include/timefuncs.h
index 2e8ef01ca6..25e041b576 100644
--- a/firmware/include/timefuncs.h
+++ b/firmware/include/timefuncs.h
@@ -28,6 +28,7 @@
 #include "time.h"
 
 time_t dostime_mktime(uint16_t dosdate, uint16_t dostime);
+void dostime_localtime(time_t time, uint16_t* dosdate, uint16_t* dostime);
 struct tm *get_time(void);
 int set_time(const struct tm *tm);
 #if CONFIG_RTC