1
0
mirror of https://github.com/samba-team/samba.git synced 2024-12-27 03:21:53 +03:00
samba-mirror/lib/util/time_basic.c
Jelmer Vernooij 1860e98d31 time_basic.h: Remove unnecessary dependency on replace.h
Forward declare struct timeval

Signed-off-by: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
2016-01-13 04:43:23 +01:00

100 lines
2.7 KiB
C

/*
* Unix SMB/CIFS implementation.
* time handling functions
*
* Copyright (C) Andrew Tridgell 1992-2004
* Copyright (C) Stefan (metze) Metzmacher 2002
* Copyright (C) Jeremy Allison 2007
* Copyright (C) Andrew Bartlett 2011
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "system/time.h"
#include "lib/util/time_basic.h"
/**
a gettimeofday wrapper
**/
_PUBLIC_ void GetTimeOfDay(struct timeval *tval)
{
#if defined(HAVE_GETTIMEOFDAY_TZ) || defined(HAVE_GETTIMEOFDAY_TZ_VOID)
gettimeofday(tval,NULL);
#else
gettimeofday(tval);
#endif
}
/****************************************************************************
Return the date and time as a string
****************************************************************************/
char *timeval_str_buf(const struct timeval *tp, bool rfc5424, bool hires,
struct timeval_buf *dst)
{
time_t t;
struct tm *tm;
size_t len;
t = (time_t)tp->tv_sec;
tm = localtime(&t);
if (tm == NULL) {
if (hires) {
snprintf(dst->buf, sizeof(dst->buf),
"%ld.%06ld seconds since the Epoch",
(long)tp->tv_sec, (long)tp->tv_usec);
} else {
snprintf(dst->buf, sizeof(dst->buf),
"%ld seconds since the Epoch", (long)t);
}
return dst->buf;
}
len = snprintf(dst->buf, sizeof(dst->buf),
(rfc5424 ?
"%04d-%02d-%02dT%02d:%02d:%02d" :
"%04d/%02d/%02d %02d:%02d:%02d"),
1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
if ((rfc5424 || hires) && (len < sizeof(dst->buf))) {
len += snprintf(dst->buf + len, sizeof(dst->buf) - len,
".%06ld", (long)tp->tv_usec);
}
if (rfc5424 && (len < sizeof(dst->buf))) {
struct tm tm_utc, tm_local;
int offset;
tm_local = *tm;
/* It is reasonable to assume that if localtime()
* worked above, then gmtime() should also work
* without error. */
tm_utc = *gmtime(&t);
offset = (tm_local.tm_hour - tm_utc.tm_hour) * 60 +
(tm_local.tm_min - tm_utc.tm_min);
snprintf(dst->buf + len, sizeof(dst->buf) - len,
"%c%02d:%02d",
(offset >=0 ? '+' : '-'),
abs(offset) / 60,
abs(offset) % 60);
}
return dst->buf;
}