X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdropin.h;h=61143eb83c89d6ca251fd817da4ebbd9d49eba91;hb=75c619e372f02f8225d158fd514f01bd04857d3b;hp=c6cabba6c17e1437f2be34ec4f1ae3ec5974e0cb;hpb=d53384c2de6d2824b9adcec111301d86e6b25f8e;p=tinc

diff --git a/src/dropin.h b/src/dropin.h
index c6cabba6..61143eb8 100644
--- a/src/dropin.h
+++ b/src/dropin.h
@@ -45,4 +45,22 @@ extern int gettimeofday(struct timeval *, void *);
 extern int usleep(long long usec);
 #endif
 
+#ifndef timeradd
+#define timeradd(a, b, r) do {\
+	(r)->tv_sec = (a)->tv_sec + (b)->tv_sec;\
+	(r)->tv_usec = (a)->tv_usec + (b)->tv_usec;\
+	if((r)->tv_usec >= 1000000)\
+		(r)->tv_sec++, (r)->tv_usec -= 1000000;\
+} while (0)
+#endif
+
+#ifndef timersub
+#define timersub(a, b, r) do {\
+	(r)->tv_sec = (a)->tv_sec - (b)->tv_sec;\
+	(r)->tv_usec = (a)->tv_usec - (b)->tv_usec;\
+	if((r)->tv_usec < 1000000)\
+		(r)->tv_sec--, (r)->tv_usec += 1000000;\
+} while (0)
+#endif
+
 #endif /* __DROPIN_H__ */