statsd histogram to support more than 1 second

[collectd.git] / src / utils_time.h

diff --git a/src/utils_time.h b/src/utils_time.h
index 0c477d8..0081957 100644 (file)
--- a/src/utils_time.h
+++ b/src/utils_time.h
@@ -43,8 +43,8 @@
 #define CDTIME_T_TO_DOUBLE(t) (((double) (t)) / 1073741824.0)
 #define DOUBLE_TO_CDTIME_T(d) ((cdtime_t) ((d) * 1073741824.0))
 
+#define MS_TO_CDTIME_T(ms) ((cdtime_t)    (((double) (ms)) * 1073741.824))
 #define CDTIME_T_TO_MS(t)  ((long)        (((double) (t))  / 1073741.824))
-
 #define US_TO_CDTIME_T(us) ((cdtime_t)    (((double) (us)) * 1073.741824))
 #define CDTIME_T_TO_US(t)  ((suseconds_t) (((double) (t))  / 1073.741824))
 #define NS_TO_CDTIME_T(ns) ((cdtime_t)    (((double) (ns)) * 1.073741824))
@@ -54,17 +54,23 @@
         (tvp)->tv_sec = CDTIME_T_TO_TIME_T (cdt);                            \
         (tvp)->tv_usec = CDTIME_T_TO_US ((cdt) % 1073741824);                \
 } while (0)
-#define TIMEVAL_TO_CDTIME_T(tv) (TIME_T_TO_CDTIME_T ((tv).tv_sec)            \
-    + US_TO_CDTIME_T ((tv).tv_usec))
+#define TIMEVAL_TO_CDTIME_T(tv) (TIME_T_TO_CDTIME_T ((tv)->tv_sec)           \
+    + US_TO_CDTIME_T ((tv)->tv_usec))
 
 #define CDTIME_T_TO_TIMESPEC(cdt,tsp) do {                                   \
   (tsp)->tv_sec = CDTIME_T_TO_TIME_T (cdt);                                  \
   (tsp)->tv_nsec = CDTIME_T_TO_NS ((cdt) % 1073741824);                      \
 } while (0)
-#define TIMESPEC_TO_CDTIME_T(ts) (TIME_T_TO_CDTIME_T ((ts).tv_sec)           \
-    + NS_TO_CDTIME_T ((ts).tv_nsec))
+#define TIMESPEC_TO_CDTIME_T(ts) (TIME_T_TO_CDTIME_T ((ts)->tv_sec)           \
+    + NS_TO_CDTIME_T ((ts)->tv_nsec))
 
 cdtime_t cdtime (void);
 
+/* format a cdtime_t value in ISO 8601 format:
+ * returns the number of characters written to the string (not including the
+ * terminating null byte or 0 on error; the function ensures that the string
+ * is null terminated */
+size_t cdtime_to_iso8601 (char *s, size_t max, cdtime_t t);
+
 #endif /* UTILS_TIME_H */
 /* vim: set sw=2 sts=2 et : */