Line data    Source code

       1             : /*
       2             :  * Unix SMB/CIFS implementation.
       3             :  * time handling functions
       4             :  *
       5             :  * Copyright (C) Andrew Tridgell                1992-2004
       6             :  * Copyright (C) Stefan (metze) Metzmacher      2002
       7             :  * Copyright (C) Jeremy Allison                 2007
       8             :  * Copyright (C) Andrew Bartlett                2011
       9             :  *
      10             :  * This program is free software; you can redistribute it and/or modify
      11             :  * it under the terms of the GNU General Public License as published by
      12             :  * the Free Software Foundation; either version 3 of the License, or
      13             :  * (at your option) any later version.
      14             :  *
      15             :  * This program is distributed in the hope that it will be useful,
      16             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      17             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      18             :  * GNU General Public License for more details.
      19             :  *
      20             :  * You should have received a copy of the GNU General Public License
      21             :  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
      22             :  */
      23             : 
      24             : #include "replace.h"
      25             : #include "system/time.h"
      26             : #include "lib/util/time_basic.h"
      27             : 
      28             : /**
      29             : a gettimeofday wrapper
      30             : **/
      31     6529842 : _PUBLIC_ void GetTimeOfDay(struct timeval *tval)
      32             : {
      33             : #if defined(HAVE_GETTIMEOFDAY_TZ) || defined(HAVE_GETTIMEOFDAY_TZ_VOID)
      34     6529842 :         gettimeofday(tval,NULL);
      35             : #else
      36             :         gettimeofday(tval);
      37             : #endif
      38     6529842 : }
      39             : 
      40             : /****************************************************************************
      41             :  Return the date and time as a string
      42             : ****************************************************************************/
      43             : 
      44        2663 : char *timeval_str_buf(const struct timeval *tp, bool rfc5424, bool hires,
      45             :                       struct timeval_buf *dst)
      46             : {
      47             :         time_t t;
      48             :         struct tm *tm;
      49             :         size_t len;
      50             : 
      51        2663 :         t = (time_t)tp->tv_sec;
      52        2663 :         tm = localtime(&t);
      53             : 
      54        2663 :         if (tm == NULL) {
      55           0 :                 if (hires) {
      56           0 :                         snprintf(dst->buf, sizeof(dst->buf),
      57             :                                  "%ld.%06ld seconds since the Epoch",
      58           0 :                                  (long)tp->tv_sec, (long)tp->tv_usec);
      59             :                 } else {
      60           0 :                         snprintf(dst->buf, sizeof(dst->buf),
      61             :                                  "%ld seconds since the Epoch", (long)t);
      62             :                 }
      63           0 :                 return dst->buf;
      64             :         }
      65             : 
      66        7551 :         len = snprintf(dst->buf, sizeof(dst->buf),
      67             :                        (rfc5424 ?
      68             :                         "%04d-%02d-%02dT%02d:%02d:%02d" :
      69             :                         "%04d/%02d/%02d %02d:%02d:%02d"),
      70        5107 :                        1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
      71             :                        tm->tm_hour, tm->tm_min, tm->tm_sec);
      72             : 
      73        2663 :         if ((rfc5424 || hires) && (len < sizeof(dst->buf))) {
      74        2033 :                 len += snprintf(dst->buf + len, sizeof(dst->buf) - len,
      75        2033 :                                 ".%06ld", (long)tp->tv_usec);
      76             :         }
      77             : 
      78        2663 :         if (rfc5424 && (len < sizeof(dst->buf))) {
      79             :                 struct tm tm_utc, tm_local;
      80             :                 int offset;
      81             : 
      82           0 :                 tm_local = *tm;
      83             :                 /* It is reasonable to assume that if localtime()
      84             :                  * worked above, then gmtime() should also work
      85             :                  * without error. */
      86           0 :                 tm_utc = *gmtime(&t);
      87             : 
      88           0 :                 offset = (tm_local.tm_hour - tm_utc.tm_hour) * 60 +
      89           0 :                         (tm_local.tm_min - tm_utc.tm_min);
      90             : 
      91           0 :                 snprintf(dst->buf + len, sizeof(dst->buf) - len,
      92             :                          "%c%02d:%02d",
      93             :                          (offset >=0 ? '+' : '-'),
      94           0 :                          abs(offset) / 60,
      95           0 :                          abs(offset) % 60);
      96             :         }
      97             : 
      98        2663 :         return dst->buf;
      99             : }