src/show-date.c

   1 #include <config.h>
   2 #include <stdio.h>
   3
   4 #include "system.h"
   5 #include "fprintftime.h"
   6 #include "parse-datetime.h"
   7 #include "quote.h"
   8 #include "show-date.h"
   9 #include "stat-time.h"
  10
  11 /* Display the date and/or time in WHEN according to the format specified
  12    in FORMAT, followed by a newline.
  13
  14    If successful, return true.
  15    If unsuccessful, prints an error message to STDERR and returns false.
  16    If unsuccessful and ON_ERROR_PRINT_UNFORMATTED, also prints WHEN.TV_SEC
  17    to STDOUT.  */
  18
  19 extern bool
  20 show_date (char const *format, struct timespec when, timezone_t tz)
  21 {
  22   struct tm tm;
  23
  24   if (localtime_rz (tz, &when.tv_sec, &tm))
  25     {
  26       fprintftime (stdout, format, &tm, tz, when.tv_nsec);
  27       return true;
  28     }
  29   else
  30     {
  31       char buf[INT_BUFSIZE_BOUND (intmax_t)];
  32       error (0, 0, _("time %s is out of range"),
  33              quote (timetostr (when.tv_sec, buf)));
  34       return false;
  35     }
  36 }