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1860e98d31
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>
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* time handling functions
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*
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* Copyright (C) Andrew Tridgell 1992-2004
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* Copyright (C) Stefan (metze) Metzmacher 2002
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* Copyright (C) Jeremy Allison 2007
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* Copyright (C) Andrew Bartlett 2011
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/time.h"
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#include "lib/util/time_basic.h"
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/**
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a gettimeofday wrapper
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**/
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_PUBLIC_ void GetTimeOfDay(struct timeval *tval)
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{
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#if defined(HAVE_GETTIMEOFDAY_TZ) || defined(HAVE_GETTIMEOFDAY_TZ_VOID)
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gettimeofday(tval,NULL);
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#else
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gettimeofday(tval);
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#endif
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}
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/****************************************************************************
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Return the date and time as a string
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****************************************************************************/
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char *timeval_str_buf(const struct timeval *tp, bool rfc5424, bool hires,
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struct timeval_buf *dst)
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{
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time_t t;
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struct tm *tm;
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size_t len;
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t = (time_t)tp->tv_sec;
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tm = localtime(&t);
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if (tm == NULL) {
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if (hires) {
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snprintf(dst->buf, sizeof(dst->buf),
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"%ld.%06ld seconds since the Epoch",
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(long)tp->tv_sec, (long)tp->tv_usec);
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} else {
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snprintf(dst->buf, sizeof(dst->buf),
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"%ld seconds since the Epoch", (long)t);
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}
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return dst->buf;
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}
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len = snprintf(dst->buf, sizeof(dst->buf),
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(rfc5424 ?
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"%04d-%02d-%02dT%02d:%02d:%02d" :
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"%04d/%02d/%02d %02d:%02d:%02d"),
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1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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if ((rfc5424 || hires) && (len < sizeof(dst->buf))) {
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len += snprintf(dst->buf + len, sizeof(dst->buf) - len,
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".%06ld", (long)tp->tv_usec);
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}
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if (rfc5424 && (len < sizeof(dst->buf))) {
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struct tm tm_utc, tm_local;
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int offset;
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tm_local = *tm;
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/* It is reasonable to assume that if localtime()
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* worked above, then gmtime() should also work
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* without error. */
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tm_utc = *gmtime(&t);
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offset = (tm_local.tm_hour - tm_utc.tm_hour) * 60 +
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(tm_local.tm_min - tm_utc.tm_min);
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snprintf(dst->buf + len, sizeof(dst->buf) - len,
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"%c%02d:%02d",
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(offset >=0 ? '+' : '-'),
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abs(offset) / 60,
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abs(offset) % 60);
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}
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return dst->buf;
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}
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