Prep v233: Unmask now needed functions in src/basic

[elogind.git] / src / basic / time-util.h

diff --git a/src/basic/time-util.h b/src/basic/time-util.h
index 4421afc66f6f64eec2e422630a9d6dcb6449ca37..2ea7e8b511173c461fe7d3523e442d1356530d0d 100644 (file)
--- a/src/basic/time-util.h
+++ b/src/basic/time-util.h
@@ -29,8 +29,10 @@
 typedef uint64_t usec_t;
 typedef uint64_t nsec_t;
 
-#define NSEC_FMT "%" PRIu64
-#define USEC_FMT "%" PRIu64
+#define PRI_NSEC PRIu64
+#define PRI_USEC PRIu64
+#define NSEC_FMT "%" PRI_NSEC
+#define USEC_FMT "%" PRI_USEC
 
 #include "macro.h"
 
@@ -115,7 +117,9 @@ static inline bool triple_timestamp_is_set(triple_timestamp *ts) {
 usec_t triple_timestamp_by_clock(triple_timestamp *ts, clockid_t clock);
 
 usec_t timespec_load(const struct timespec *ts) _pure_;
+#if 0 /// UNNEEDED by elogind
 nsec_t timespec_load_nsec(const struct timespec *ts) _pure_;
+#endif // 0
 struct timespec *timespec_store(struct timespec *ts, usec_t u);
 
 usec_t timeval_load(const struct timeval *tv) _pure_;
@@ -199,3 +203,14 @@ static inline usec_t usec_sub(usec_t timestamp, int64_t delta) {
 
         return timestamp - delta;
 }
+
+#if SIZEOF_TIME_T == 8
+/* The last second we can format is 31. Dec 9999, 1s before midnight, because otherwise we'd enter 5 digit year
+ * territory. However, since we want to stay away from this in all timezones we take one day off. */
+#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 253402214399000000)
+#elif SIZEOF_TIME_T == 4
+/* With a 32bit time_t we can't go beyond 2038... */
+#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 2147483647000000)
+#else
+#error "Yuck, time_t is neither 4 not 8 bytes wide?"
+#endif