/*
 *  ircd-ratbox: A slightly useful ircd.
 *  irc_string.c: IRC string functions.
 *
 *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
 *  Copyright (C) 1996-2002 Hybrid Development Team
 *  Copyright (C) 2002-2005 ircd-ratbox development team
 *
 *  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
 *
 *  $Id: irc_string.c 678 2006-02-03 20:25:01Z jilles $
 */

#include "irc_string.h"

char *
strip_colour(char *string)
{
	char *c = string;
	char *c2 = string;
	char *last_non_space = NULL;
	/* c is source, c2 is target */
	for(; c && *c; c++)
		switch (*c)
		{
		case 3:
			if(isdigit(c[1]))
			{
				c++;
				if(isdigit(c[1]))
					c++;
				if(c[1] == ',' && isdigit(c[2]))
				{
					c += 2;
					if(isdigit(c[1]))
						c++;
				}
			}
			break;
		case 2:
		case 6:
		case 7:
		case 22:
		case 23:
		case 27:
		case 31:
			break;
		case 32:
			*c2++ = *c;
			break;
		default:
			*c2++ = *c;
			last_non_space = c2;
			break;
		}
	*c2 = '\0';
	if(last_non_space)
		*last_non_space = '\0';
	return string;
}