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/*
* Copyright (c) 2002-2019 Balabit
* Copyright (c) 1998-2019 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "timeutils/format.h"
#include "timeutils/cache.h"
#include "timeutils/names.h"
#include "timeutils/conv.h"
#include "str-format.h"
static void
_append_frac_digits(glong usecs, GString *target, gint frac_digits)
{
usecs = usecs % 1000000;
if (frac_digits > 0)
{
gulong x;
g_string_append_c(target, '.');
for (x = 100000; frac_digits && x; x = x / 10)
{
g_string_append_c(target, (usecs / x) + '0');
usecs = usecs % x;
frac_digits--;
}
}
}
void
append_format_zone_info(GString *target, glong gmtoff)
{
g_string_append_c(target, gmtoff < 0 ? '-' : '+');
format_uint32_padded(target, 2, '0', 10, (gmtoff < 0 ? -gmtoff : gmtoff) / 3600);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, ((gmtoff < 0 ? -gmtoff : gmtoff) % 3600) / 60);
}
void
append_format_unix_time(const UnixTime *ut, GString *target, gint ts_format, glong zone_offset, gint frac_digits)
{
WallClockTime wct = WALL_CLOCK_TIME_INIT;
if (ts_format == TS_FMT_UNIX)
{
format_uint32_padded(target, 0, 0, 10, (int) ut->ut_sec);
_append_frac_digits(ut->ut_usec, target, frac_digits);
}
else
{
convert_unix_time_to_wall_clock_time_with_tz_override(ut, &wct, zone_offset);
append_format_wall_clock_time(&wct, target, ts_format, frac_digits);
}
}
void
format_unix_time(const UnixTime *stamp, GString *target, gint ts_format, glong zone_offset, gint frac_digits)
{
g_string_truncate(target, 0);
append_format_unix_time(stamp, target, ts_format, zone_offset, frac_digits);
}
/**
* unix_time_format:
* @stamp: Timestamp to format
* @target: Target storage for formatted timestamp
* @ts_format: Specifies basic timestamp format (TS_FMT_BSD, TS_FMT_ISO)
* @zone_offset: Specifies custom zone offset if @tz_convert == TZ_CNV_CUSTOM
*
* Emits the formatted version of @stamp into @target as specified by
* @ts_format and @tz_convert.
**/
void
append_format_wall_clock_time(const WallClockTime *wct, GString *target, gint ts_format, gint frac_digits)
{
UnixTime ut = UNIX_TIME_INIT;
switch (ts_format)
{
case TS_FMT_BSD:
g_string_append_len(target, month_names_abbrev[wct->wct_mon], MONTH_NAME_ABBREV_LEN);
g_string_append_c(target, ' ');
format_uint32_padded(target, 2, ' ', 10, wct->wct_mday);
g_string_append_c(target, ' ');
format_uint32_padded(target, 2, '0', 10, wct->wct_hour);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_min);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_sec);
_append_frac_digits(wct->wct_usec, target, frac_digits);
break;
case TS_FMT_ISO:
format_uint32_padded(target, 0, 0, 10, wct->wct_year + 1900);
g_string_append_c(target, '-');
format_uint32_padded(target, 2, '0', 10, wct->wct_mon + 1);
g_string_append_c(target, '-');
format_uint32_padded(target, 2, '0', 10, wct->wct_mday);
g_string_append_c(target, 'T');
format_uint32_padded(target, 2, '0', 10, wct->wct_hour);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_min);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_sec);
_append_frac_digits(wct->wct_usec, target, frac_digits);
append_format_zone_info(target, wct->wct_gmtoff);
break;
case TS_FMT_FULL:
format_uint32_padded(target, 0, 0, 10, wct->wct_year + 1900);
g_string_append_c(target, ' ');
g_string_append_len(target, month_names_abbrev[wct->wct_mon], MONTH_NAME_ABBREV_LEN);
g_string_append_c(target, ' ');
format_uint32_padded(target, 2, ' ', 10, wct->wct_mday);
g_string_append_c(target, ' ');
format_uint32_padded(target, 2, '0', 10, wct->wct_hour);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_min);
g_string_append_c(target, ':');
format_uint32_padded(target, 2, '0', 10, wct->wct_sec);
_append_frac_digits(wct->wct_usec, target, frac_digits);
break;
case TS_FMT_UNIX:
convert_wall_clock_time_to_unix_time(wct, &ut);
append_format_unix_time(&ut, target, TS_FMT_UNIX, wct->wct_gmtoff, frac_digits);
break;
default:
g_assert_not_reached();
break;
}
}
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