Function bind_key

src/cmd.c:2661–2728

}

boolean
bind_key(uchar key, const char *command, boolean user)
{
    struct ext_func_tab *extcmd;
    long len;
    char *buf, *p = NULL, *lastp = NULL;

    /* special case: "nothing" is reserved for unbinding */
    if (!strcmpi(command, "nothing")) {
        cmdbind_remove(key);
        return TRUE;
    }

    /* copy command to buf for modification */
    len = strlen(command) + 1;
    buf = (char *)alloc(len);
    (void) strncpy(buf, command, len);

    /* does buf have a parameter in parenthesis? */
    if ((p = strchr(buf, '(')) != 0
        && (lastp = strrchr(buf, ')')) != 0
        && (lastp > p)) {
        *p = '\0';
        *lastp = '\0';
        /* p points to the parameter */
        p++;
    }

    for (extcmd = extcmdlist; extcmd->ef_txt; extcmd++) {
        if (strcmpi(buf, extcmd->ef_txt))
            continue;
        if ((extcmd->flags & INTERNALCMD) != 0)
            continue;
        cmdbind_add(key, extcmd, user);

        if ((extcmd->flags & CMD_PARAM) != 0) {
            if (!p) {
                config_error_add("'%s' requires a parameter", buf);
            } else {
                struct Cmd_bind *bind = cmdbind_get(key);
                int maxlen = min(30, strlen(p)) + 1;

                if (maxlen <= 1) {
                    config_error_add("Required parameter cannot be empty");
                } else {
                    bind->param = (char *) alloc(maxlen);
                    (void) strncpy(bind->param, p, maxlen);
                    bind->param[maxlen-1] = '\0';
                }
            }
        } else if (p && strlen(p) > 0)
            config_error_add("'%s' does not take a parameter", buf);

#if 0 /* silently accept key binding for unavailable command (!SHELL,&c) */
        if ((extcmd->flags & CMD_NOT_AVAILABLE) != 0) {
            char buf[BUFSZ];

            Sprintf(buf, cmdnotavail, extcmd->ef_txt);