/*
 *	aegis - project change supervisor
 *	Copyright (C) 2001, 2002 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 fields
 */

#include <ac/string.h>

#include <str.h>


string_ty *
str_field(string_ty *s, int sep, int fldnum)
{
    char	    *cp;
    char	    *ep;

    cp = s->str_text;
    while (fldnum > 0)
    {
	ep = strchr(cp, sep);
	if (!ep)
	    return 0;
	cp = ep + 1;
	--fldnum;
    }
    ep = strchr(cp, sep);
    if (ep)
	return str_n_from_c(cp, ep - cp);
    return str_from_c(cp);
}
