Tcl_SetObjResult(interp, Tcl_ObjPrintf("Salt too long. Must be <= %d bytes", max));
	return NULL;
    }
    return salt;
}

/*******************************************************************/

/*
 *-------------------------------------------------------------------
 *
 * Util_GetBinaryArray --
 *
 *	Get binary array from TclObj
 *
 * Returns:
 *	Pointer to type or NULL, and size
 *
 * Side effects:
 *	None
 *
 *-------------------------------------------------------------------
 */
unsigned char *Util_GetBinaryArray(Tcl_Interp *interp, Tcl_Obj *dataObj, int *len, char *name, int min, int max, int no_null) {
    unsigned char *data = NULL;
    *len = 0;

    if (dataObj != NULL) {
	data = Tcl_GetByteArrayFromObj(dataObj, len);
    } else if (no_null) {
	Tcl_AppendResult(interp, "no ", name, (char *) NULL);
	return NULL;
    }

    if (*len < min) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf("Invalid length for \"%s\": must be >= %d", name, min));
	return NULL;
    } else if (max > 0 && *len > max) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf("Invalid length for \"%s\": must be <= %d", name, max));
	return NULL;
    }
    return data;
}

/*
 *-------------------------------------------------------------------
 *
 * Util_GetInt --
 *
 *	Get integer value from TclObj