introduce "epoch" as a new base time reference, meaning timestamp 0.

[rrdtool.git] / src / rrd.h

diff --git a/src/rrd.h b/src/rrd.h
index 7e63110..53838c0 100644 (file)
--- a/src/rrd.h
+++ b/src/rrd.h
@@ -284,7 +284,8 @@ extern    "C" {
     typedef enum {
         ABSOLUTE_TIME,
         RELATIVE_TO_START_TIME,
-        RELATIVE_TO_END_TIME
+        RELATIVE_TO_END_TIME,
+        RELATIVE_TO_EPOCH
     } rrd_timetype_t;
 
 #define TIME_OK NULL