util: fix printing of timestamps when time_t is longer than long

sysincl.h

@@ -62,10 +62,10 @@
 #include <syslog.h>
 #include <time.h>
 
-#if HAS_STDINT_H
-#include <stdint.h>
-#elif defined(HAS_INTTYPES_H)
+#ifdef HAS_INTTYPES_H
 #include <inttypes.h>
+#elif HAS_STDINT_H
+#include <stdint.h>
 #else
 /* Tough */
 #endif

util.c

@@ -210,9 +210,13 @@ UTI_TimevalToString(struct timeval *tv)
   char *result;
 
   result = NEXT_BUFFER;
-  /* TODO: time_t may be wider than long, switch to int64_t before 2038 */
+#ifdef HAVE_LONG_TIME_T
+  snprintf(result, BUFFER_LENGTH, "%"PRId64".%06lu",
+      (int64_t)tv->tv_sec, (unsigned long)tv->tv_usec);
+#else
   snprintf(result, BUFFER_LENGTH, "%ld.%06lu",
       (long)tv->tv_sec, (unsigned long)tv->tv_usec);
+#endif
   return result;
 }