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root/usr/lib/libc/time/asctime_r.c

DEFINITIONS

1. asctime_r

   1 /*
   2 ** This file is in the public domain, so clarified as of
   3 ** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
   4 */
   6 #include <sys/time.h>
   7 #include <stdio.h>
   8 #include <time.h>
  10 /*
  11 ** A la ISO/IEC 9945-1, ANSI/IEEE Std 1003.1, Second Edition, 1996-07-12.
  12 */
  14 char *
asctime_r(timeptr, buf)
  16 register const struct tm *      timeptr;
  17 char *                          buf;
  18 {
  19         static const char       wday_name[][3] = {
  20                 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
  21         };
  22         static const char       mon_name[][3] = {
  23                 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  24                 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
  25         };
  26         const char *wn;
  27         const char *mn;
wn = wday_name[timeptr->tm_wday];
mn = mon_name[timeptr->tm_mon];
  31         /*
  32         ** The X3J11-suggested format is
  33         **      "%.3s %.3s%3d %02.2d:%02.2d:%02.2d %d\n"
  34         ** Since the .2 in 02.2d is ignored, we drop it.
  35         */
  36         (void)sprintf(buf,
  37                 "%.3s %.3s%3d %02d:%02d:%02d %d\n",
wn, mn,
timeptr->tm_mday, timeptr->tm_hour,
timeptr->tm_min, timeptr->tm_sec,
  41                 1900 + timeptr->tm_year);
  42         return buf;
  43 }