/*
 *	aegis - project change supervisor
 *	Copyright (C) 2001 Peter Miller;
 *	All rights reserved.
 *
 *	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, USA.
 *
 * MANIFEST: functions to manipulate trims
 */

#include <ac/ctype.h>

#include <language.h>
#include <str.h>
#include <stracc.h>


string_ty *
str_trim(s)
	string_ty	*s;
{
	int		whitespace;
	static stracc_t	buffer;
	char		*cp;
	string_ty	*result;

	whitespace = 0;
	stracc_open(&buffer);
	language_human();
	for (cp = s->str_text; *cp; ++cp)
	{
		if (isspace(*cp))
			++whitespace;
		else
		{
			if (whitespace)
			{
				if (buffer.length)
					stracc_char(&buffer, ' ');
				whitespace = 0;
			}
			stracc_char(&buffer, *cp);
		}
	}
	language_C();
	result = stracc_close(&buffer);
	return result;
}