From: Hristo Venev <hristo@venev.name>
Date: Tue, 13 Oct 2015 19:14:33 +0000 (+0300)
Subject: basic: add mktime_or_timegm and localtime_or_gmtime_r
X-Git-Tag: v228~200^2~6
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7c67c79c9abcaf39cff72ce0207b4c0f30ec5590;p=thirdparty%2Fsystemd.git

basic: add mktime_or_timegm and localtime_or_gmtime_r

to time-util.h. They take an extra argument `bool utc`.
---

diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 531931f6e14..4d5c299d6a5 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -19,7 +19,6 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <time.h>
 #include <string.h>
 #include <sys/timex.h>
 #include <sys/timerfd.h>
@@ -205,11 +204,8 @@ static char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc)
                 return NULL;
 
         sec = (time_t) (t / USEC_PER_SEC);
+        localtime_or_gmtime_r(&sec, &tm, utc);
 
-        if (utc)
-                gmtime_r(&sec, &tm);
-        else
-                localtime_r(&sec, &tm);
         if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S %Z", &tm) <= 0)
                 return NULL;
 
@@ -235,10 +231,7 @@ static char *format_timestamp_internal_us(char *buf, size_t l, usec_t t, bool ut
                 return NULL;
 
         sec = (time_t) (t / USEC_PER_SEC);
-        if (utc)
-                gmtime_r(&sec, &tm);
-        else
-                localtime_r(&sec, &tm);
+        localtime_or_gmtime_r(&sec, &tm, utc);
 
         if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm) <= 0)
                 return NULL;
@@ -1072,3 +1065,11 @@ int get_timezone(char **tz) {
         *tz = z;
         return 0;
 }
+
+time_t mktime_or_timegm(struct tm *tm, bool utc) {
+        return utc ? timegm(tm) : mktime(tm);
+}
+
+struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc) {
+        return utc ? gmtime_r(t, tm) : localtime_r(t, tm);
+}
diff --git a/src/basic/time-util.h b/src/basic/time-util.h
index 1af01541fc2..417376ea965 100644
--- a/src/basic/time-util.h
+++ b/src/basic/time-util.h
@@ -21,8 +21,9 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdio.h>
 #include <inttypes.h>
+#include <stdio.h>
+#include <time.h>
 
 typedef uint64_t usec_t;
 typedef uint64_t nsec_t;
@@ -117,3 +118,6 @@ clockid_t clock_boottime_or_monotonic(void);
                           "xstrftime: " #buf "[] must be big enough")
 
 int get_timezone(char **timezone);
+
+time_t mktime_or_timegm(struct tm *tm, bool utc);
+struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc);