From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Sat, 21 Jan 2023 00:28:30 +0000 (+0000)
Subject: timeutils: add utilities for usec_t conversions
X-Git-Tag: v2.39-rc1~114^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a8ec2e15a568e237773f49dcec4b63564abb0d34;p=thirdparty%2Futil-linux.git

timeutils: add utilities for usec_t conversions

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---

diff --git a/include/timeutils.h b/include/timeutils.h
index 1b7f4263a3..eb0e534510 100644
--- a/include/timeutils.h
+++ b/include/timeutils.h
@@ -92,4 +92,23 @@ int strtime_short(const time_t *t, struct timeval *now, int flags, char *buf, si
 extern time_t timegm(struct tm *tm);
 #endif
 
+static inline usec_t timeval_to_usec(const struct timeval *t)
+{
+	return t->tv_sec * USEC_PER_SEC + t->tv_usec;
+}
+
+static inline usec_t timespec_to_usec(const struct timespec *t)
+{
+	return t->tv_sec * USEC_PER_SEC + t->tv_nsec / NSEC_PER_USEC;
+}
+
+static inline struct timeval usec_to_timeval(usec_t t)
+{
+	struct timeval r = {
+		.tv_sec = t / USEC_PER_SEC,
+		.tv_usec = t % USEC_PER_SEC,
+	};
+	return r;
+}
+
 #endif /* UTIL_LINUX_TIME_UTIL_H */