X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Futils_time.h;h=0081957dc514d8fdb9ba513132c726b639503d07;hb=1a0ffe992fa7a970346fafb5f688fce5ee6f22ee;hp=0aa4fce64ef5c8ac9a4b32b3661819c50b9b883c;hpb=9e79bea7d3f158f2fd39dda8a413843a7bec819b;p=collectd.git diff --git a/src/utils_time.h b/src/utils_time.h index 0aa4fce6..0081957d 100644 --- a/src/utils_time.h +++ b/src/utils_time.h @@ -32,7 +32,9 @@ * manner is that comparing times and calculating differences is as simple as * it is with "time_t", i.e. a simple integer comparison / subtraction works. */ -typedef uint64_t cdtime_t; +/* + * cdtime_t is defined in "collectd.h" */ +/* typedef uint64_t cdtime_t; */ /* 2^30 = 1073741824 */ #define TIME_T_TO_CDTIME_T(t) (((cdtime_t) (t)) * 1073741824) @@ -41,25 +43,34 @@ typedef uint64_t cdtime_t; #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)) #define CDTIME_T_TO_NS(t) ((long) (((double) (t)) / 1.073741824)) -#define CDTIME_T_TO_TIMEVAL(t) { \ - CDTIME_T_TO_TIME_T (t), \ - CDTIME_T_TO_US (t % 1073741824) \ -} -#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_TIMEVAL(cdt,tvp) do { \ + (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 CDTIME_T_TO_TIMESPEC(t) { \ - CDTIME_T_TO_TIME_T (t), \ - CDTIME_T_TO_NS (t % 1073741824) \ -} -#define TIMESPEC_TO_CDTIME_T(ts) (TIME_T_TO_CDTIME_T ((ts).tv_sec) \ - + NS_TO_CDTIME_T ((ts).tv_nsec)) +#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)) 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 : */