Function update_rest_on_space

src/cmd.c:3482–3503

called when 'rest_on_space' is toggled, also called by reset_commands() from initoptions_init() which takes place before key bindings have been processed, and by initoptions_finish() after key bindings so that we can remember anything bound to in 'unrestonspace' */

   processed, and by initoptions_finish() after key bindings so that we
   can remember anything bound to <space> in 'unrestonspace' */
void
update_rest_on_space(void)
{
    /* cloned from extcmdlist['.'], then slightly modified to be distinct;
       donull is all that's needed for it to operate; command name and
       description get shown by help menu's "Info on what a given key does"
       (which runs the '&' command) and "Full list of keyboard commands" */
    static const struct ext_func_tab restonspace = {
        ' ', "wait", "rest one move via 'rest_on_space' option",
        donull, (IFBURIED | CMD_M_PREFIX), "waiting"
    };
    static const struct ext_func_tab *unrestonspace = 0;
    struct Cmd_bind *bind = cmdbind_get(' ');

    /* when 'rest_on_space' is On, <space> will run the #wait command;
       when it is Off, <space> will use 'unrestonspace' which will either
       be Null and elicit "Unknown command ' '." or have some non-Null
       command bound in player's RC file */
    if (bind && bind->cmd != &restonspace)
        unrestonspace = bind->cmd;
    cmdbind_add(' ', flags.rest_on_space ? &restonspace : unrestonspace, FALSE);
}

/* commands which accept 'm' prefix to request menu operation or other
   alternate behavior; it's also overloaded for move-without-autopickup;