/*
 *	aegis - project change supervisor
 *	Copyright (C) 1999, 2003 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 defaults
 */

#include <ac/stdio.h>

#include <ael/change/default.h>
#include <ael/change/inappropriat.h>
#include <project.h>
#include <str_list.h>
#include <trace.h>
#include <user.h>
#include <zero.h>


void
list_default_change(string_ty *project_name, long change_number,
    string_list_ty *args)
{
    project_ty      *pp;
    user_ty	    *up;

    /*
     * check for silly arguments
     */
    trace(("list_default_change()\n{\n"));
    if (change_number)
	list_change_inappropriate();

    /*
     * resolve the project name
     */
    if (!project_name)
	project_name = user_default_project();
    else
	project_name = str_copy(project_name);
    pp = project_alloc(project_name);
    str_free(project_name);
    project_bind_existing(pp);

    /*
     * locate user data
     */
    if (!args->nstrings)
	up = user_executing(pp);
    else
	up = user_symbolic(pp, args->string[0]);

    /*
     * Find default change number;
     * will generate fatal error if no default.
     */
    change_number = user_default_change(up);

    /*
     * print it out
     */
    printf("%ld\n", magic_zero_decode(change_number));

    /*
     * clean up and go home
     */
    project_free(pp);
    user_free(up);
    trace(("}\n"));
}
