118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/*
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* Evolution calendar - Miscellaneous utility functions
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Federico Mena-Quintero <federico@ximian.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <ctype.h>
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#include <time.h>
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#include <glib/gi18n.h>
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#include "misc.h"
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/**
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* string_is_empty:
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* @value: A string.
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*
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* Returns whether a string is NULL, the empty string, or completely made up of
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* whitespace characters.
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*
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* Return value: TRUE if the string is empty, FALSE otherwise.
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**/
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gboolean
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string_is_empty (const gchar *value)
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{
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const gchar *p;
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gboolean empty;
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empty = TRUE;
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if (value) {
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p = value;
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while (*p) {
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if (!isspace ((guchar) *p)) {
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empty = FALSE;
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break;
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}
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p++;
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}
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}
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return empty;
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}
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gint
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get_position_in_array (GPtrArray *objects,
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gpointer item)
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{
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gint i;
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for (i = 0; i < objects->len; i++) {
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if (g_ptr_array_index (objects, i) == item)
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return i;
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}
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return -1;
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}
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gchar *
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calculate_time (time_t start,
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time_t end)
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{
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time_t difference = end - start;
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gchar *str;
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gint hours, minutes;
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gchar *times[4];
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gchar *joined;
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gint i;
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i = 0;
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if (difference >= 3600) {
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hours = difference / 3600;
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difference %= 3600;
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times[i++] = g_strdup_printf (ngettext ("%d hour", "%d hours", hours), hours);
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}
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if (difference >= 60) {
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minutes = difference / 60;
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difference %= 60;
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times[i++] = g_strdup_printf (ngettext ("%d minute", "%d minutes", minutes), minutes);
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}
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if (i == 0 || difference != 0) {
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/* TRANSLATORS: here, "second" is the time division (like "minute"), not the ordinal number (like "third") */
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times[i++] = g_strdup_printf (ngettext ("%d second", "%d seconds", difference), (gint) difference);
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}
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times[i] = NULL;
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joined = g_strjoinv (" ", times);
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str = g_strconcat ("(", joined, ")", NULL);
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while (i > 0)
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g_free (times[--i]);
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g_free (joined);
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return str;
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}
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