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/* Evolution calendar - Miscellaneous utility functions
 *
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Authors: Federico Mena-Quintero <federico@ximian.com>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <ctype.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 char *value)
{
    const char *p;
    gboolean empty;

    empty = TRUE;

    if (value) {
        p = value;
        while (*p) {
            if (!isspace ((unsigned char) *p)) {
                empty = FALSE;
                break;
            }
            p++;
        }
    }
    return empty;

}