//
//      aegis - project change supervisor
//      Copyright (C) 2002-2006, 2008 Peter Miller
//
//      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 3 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, see
//      <http://www.gnu.org/licenses/>.
//

#include <common/error.h>
#include <common/mem.h>
#include <aecomplete/shell/private.h>


shell_ty *
shell_new(shell_vtbl_ty *vptr)
{
    shell_ty        *this_thing;

    assert(vptr);
    assert((size_t)vptr->size >= sizeof(shell_ty));
    this_thing = (shell_ty *)mem_alloc(vptr->size);
    this_thing->vptr = vptr;
    return this_thing;
}


void
shell_delete(shell_ty *this_thing)
{
    assert(this_thing);
    assert(this_thing->vptr);
    assert(this_thing->vptr->destructor);
    if (this_thing)
    {
        if (this_thing->vptr && this_thing->vptr->destructor)
            this_thing->vptr->destructor(this_thing);
        mem_free(this_thing);
    }
}