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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2003-2007 Imendio AB
* Copyright (C) 2007-2010 Collabora Ltd.
*
* 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 2 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, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Authors: Richard Hult <richard@imendio.com>
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib/gi18n.h>
#include "empathy-time.h"
/* Note: EmpathyTime is always in UTC. */
time_t
empathy_time_get_current (void)
{
return time (NULL);
}
time_t
empathy_time_get_local_time (struct tm *tm)
{
const gchar *tz;
time_t t;
tz = g_getenv ("TZ");
g_setenv ("TZ", "", TRUE);
tzset ();
t = mktime (tm);
if (tz) {
g_setenv ("TZ", tz, TRUE);
} else {
g_unsetenv ("TZ");
}
tzset ();
return t;
}
/* The format is: "20021209T23:51:30" and is in UTC. 0 is returned on
* failure. The alternative format "20021209" is also accepted.
*/
time_t
empathy_time_parse (const gchar *str)
{
struct tm tm;
gint year, month;
gint n_parsed;
memset (&tm, 0, sizeof (struct tm));
n_parsed = sscanf (str, "%4d%2d%2dT%2d:%2d:%2d",
&year, &month, &tm.tm_mday, &tm.tm_hour,
&tm.tm_min, &tm.tm_sec);
if (n_parsed != 3 && n_parsed != 6) {
return 0;
}
tm.tm_year = year - 1900;
tm.tm_mon = month - 1;
tm.tm_isdst = -1;
return empathy_time_get_local_time (&tm);
}
/* Converts the UTC timestamp to a string, also in UTC. Returns NULL on failure. */
gchar *
empathy_time_to_string_utc (time_t t,
const gchar *format)
{
gchar stamp[128];
struct tm *tm;
g_return_val_if_fail (format != NULL, NULL);
tm = gmtime (&t);
if (strftime (stamp, sizeof (stamp), format, tm) == 0) {
return NULL;
}
return g_strdup (stamp);
}
/* Converts the UTC timestamp to a string, in local time. Returns NULL on failure. */
gchar *
empathy_time_to_string_local (time_t t,
const gchar *format)
{
gchar stamp[128];
struct tm *tm;
g_return_val_if_fail (format != NULL, NULL);
tm = localtime (&t);
if (strftime (stamp, sizeof (stamp), format, tm) == 0) {
return NULL;
}
return g_strdup (stamp);
}
gchar *
empathy_time_to_string_relative (time_t then)
{
time_t now;
gint seconds;
now = time (NULL);
seconds = now - then;
if (seconds > 0) {
if (seconds < 60) {
return g_strdup_printf (ngettext ("%d second ago",
"%d seconds ago", seconds), seconds);
}
else if (seconds < (60 * 60)) {
seconds /= 60;
return g_strdup_printf (ngettext ("%d minute ago",
"%d minutes ago", seconds), seconds);
}
else if (seconds < (60 * 60 * 24)) {
seconds /= 60 * 60;
return g_strdup_printf (ngettext ("%d hour ago",
"%d hours ago", seconds), seconds);
}
else if (seconds < (60 * 60 * 24 * 7)) {
seconds /= 60 * 60 * 24;
return g_strdup_printf (ngettext ("%d day ago",
"%d days ago", seconds), seconds);
}
else if (seconds < (60 * 60 * 24 * 30)) {
seconds /= 60 * 60 * 24 * 7;
return g_strdup_printf (ngettext ("%d week ago",
"%d weeks ago", seconds), seconds);
}
else {
seconds /= 60 * 60 * 24 * 30;
return g_strdup_printf (ngettext ("%d month ago",
"%d months ago", seconds), seconds);
}
}
else {
return g_strdup (_("in the future"));
}
}
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