contrib/ntp/libntp/humandate.c

   1 /*
   2  * humandate.c - convert an NTP (or the current) time to something readable
   3  */
   4 #include <config.h>
   5 #include <stdio.h>
   6
   7 #include "ntp_fp.h"
   8 #include "ntp_unixtime.h"       /* includes <sys/time.h> and <time.h> */
   9 #include "lib_strbuf.h"
  10 #include "ntp_stdlib.h"
  11
  12
  13 /* This is used in msyslog.c; we don't want to clutter up the log with
  14    the year and day of the week, etc.; just the minimal date and time.  */
  15
  16 const char *
  17 humanlogtime(void)
  18 {
  19         char *          bp;
  20         time_t          cursec;
  21         struct tm *     tm;
  22
  23         cursec = time(NULL);
  24         tm = localtime(&cursec);
  25         if (!tm)
  26                 return "-- --- --:--:--";
  27
  28         LIB_GETBUF(bp);
  29
  30         snprintf(bp, LIB_BUFLENGTH, "%2d %s %02d:%02d:%02d",
  31                  tm->tm_mday, months[tm->tm_mon],
  32                  tm->tm_hour, tm->tm_min, tm->tm_sec);
  33
  34         return bp;
  35 }
  36
  37
  38 /*
  39  * humantime() -- like humanlogtime() but without date, and with the
  40  *                time to display given as an argument.
  41  */
  42 const char *
  43 humantime(
  44         time_t cursec
  45         )
  46 {
  47         char *          bp;
  48         struct tm *     tm;
  49
  50         tm = localtime(&cursec);
  51         if (!tm)
  52                 return "--:--:--";
  53
  54         LIB_GETBUF(bp);
  55
  56         snprintf(bp, LIB_BUFLENGTH, "%02d:%02d:%02d",
  57                  tm->tm_hour, tm->tm_min, tm->tm_sec);
  58
  59         return bp;
  60 }