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/*
* Evolution calendar - Miscellaneous utility functions
*
* This program 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 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Federico Mena-Quintero <federico@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <time.h>
#include <glib/gi18n.h>
#include "misc.h"
/**
* string_is_empty:
* @value: A string.
*
* Returns whether a string is NULL, the empty string, or completely made up of
* whitespace characters.
*
* Return value: TRUE if the string is empty, FALSE otherwise.
**/
gboolean
string_is_empty (const gchar *value)
{
const gchar *p;
gboolean empty;
empty = TRUE;
if (value) {
p = value;
while (*p) {
if (!isspace ((guchar) *p)) {
empty = FALSE;
break;
}
p++;
}
}
return empty;
}
gint
get_position_in_array (GPtrArray *objects,
gpointer item)
{
gint i;
for (i = 0; i < objects->len; i++) {
if (g_ptr_array_index (objects, i) == item)
return i;
}
return -1;
}
gchar *
calculate_time (time_t start,
time_t end)
{
time_t difference = end - start;
gchar *str;
gint hours, minutes;
gchar *times[4];
gchar *joined;
gint i;
i = 0;
if (difference >= 3600) {
hours = difference / 3600;
difference %= 3600;
times[i++] = g_strdup_printf (ngettext ("%d hour", "%d hours", hours), hours);
}
if (difference >= 60) {
minutes = difference / 60;
difference %= 60;
times[i++] = g_strdup_printf (ngettext ("%d minute", "%d minutes", minutes), minutes);
}
if (i == 0 || difference != 0) {
/* TRANSLATORS: here, "second" is the time division (like "minute"), not the ordinal number (like "third") */
times[i++] = g_strdup_printf (ngettext ("%d second", "%d seconds", difference), (gint) difference);
}
times[i] = NULL;
joined = g_strjoinv (" ", times);
str = g_strconcat ("(", joined, ")", NULL);
while (i > 0)
g_free (times[--i]);
g_free (joined);
return str;
}
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