From: Stephan Bosch <stephan.bosch@dovecot.fi>
Date: Thu, 13 Dec 2018 08:53:18 +0000 (+0100)
Subject: lib: time-util: Add timeval_add_usecs() and timeval_sub_usecs().
X-Git-Tag: 2.3.9~424
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df1f968fb61c0bb33305b435bc6f7d6838269e9d;p=thirdparty%2Fdovecot%2Fcore.git

lib: time-util: Add timeval_add_usecs() and timeval_sub_usecs().
---

diff --git a/src/lib/time-util.h b/src/lib/time-util.h
index 019da2aae4..f86fa1b730 100644
--- a/src/lib/time-util.h
+++ b/src/lib/time-util.h
@@ -14,6 +14,28 @@ int timeval_diff_msecs(const struct timeval *tv1, const struct timeval *tv2);
 long long timeval_diff_usecs(const struct timeval *tv1,
 			     const struct timeval *tv2);
 
+static inline void
+timeval_add_usecs(struct timeval *tv, long long usecs)
+{
+	tv->tv_sec += usecs / 1000000;
+	tv->tv_usec += (usecs % 1000000);
+	if (tv->tv_usec >= 1000000) {
+		tv->tv_sec++;
+		tv->tv_usec -= 1000000;
+	}
+}
+
+static inline void
+timeval_sub_usecs(struct timeval *tv, long long usecs)
+{
+	tv->tv_sec -= usecs / 1000000;
+	tv->tv_usec -= (usecs % 1000000);
+	if (tv->tv_usec < 0) {
+		tv->tv_sec--;
+		tv->tv_usec += 1000000;
+	}
+}
+
 static inline void
 timeval_add_msecs(struct timeval *tv, unsigned int msecs)
 {