Implemented -dev, -add, -commit

test/xorriso_private.h

@@ -77,7 +77,14 @@ struct XorrisO { /* the global context of xorriso */
  /* >>> put libburn/isoburn aspects here */
 
  char indev[SfileadrL];
+ void *in_drive_handle;  /* interpreted only by xorrisoburn.c */
+ void *in_volset_handle; /* interpreted only by xorrisoburn.c */
+
+ int volset_change_pending; /* whether -commit would make sense */
+
  char outdev[SfileadrL];
+ void *out_drive_handle; /* interpreted only by xorrisoburn.c */
+
  int ban_stdio_write;
  int do_dummy;
  int do_close;