Function alias

source/src/command.cpp:143–171

COMMAND(delalias, "s");

void alias(const char *name, const char *action, bool temp, bool constant)
{
    ident *b = idents->access(name);
    if(!b)
    { // new alias
        ident b(ID_ALIAS, newstring(name), newstring(action), persistidents && !constant && !temp, execcontext);
        b.isconst = constant;
        b.istemp = temp;
        idents->access(b.name, b);
        return;
    }
    else if(b->type != ID_ALIAS)  conoutf("cannot redefine builtin %s with an alias", name);
    else if(identaccessdenied(b)) conoutf("cannot redefine alias %s in this execution context", name);
    else if(b->isconst)           conoutf("alias %s is a constant and cannot be redefined", name);
    else
    { // new action
        b->isconst = constant;
        if(temp) b->istemp = true;
        if(!constant || (action && action[0]))
        {
            if(b->action != b->executing) delete[] b->action;
            b->action = newstring(action);
            if(!b->stack) b->persist = persistidents != 0;
        }
        if(b->istemp) b->persist = false;
        return;
    }
    scripterr();
}

COMMANDF(alias, "ss", (const char *name, const char *action) { alias(name, action, false, false); });
COMMANDF(tempalias, "ss", (const char *name, const char *action) { alias(name, action, true, false); });