| 31,14 → 31,18 |
|---|
| |
| /* rewires my parent pointer, uninstalls rmod let DOS terminate me, UNLESS |
| * my parent is unknown */ |
| void sayonara(unsigned short rmodseg) { |
| void sayonara(struct rmod_props far *rmod) { |
| unsigned short rmodseg = rmod->rmodseg; |
| unsigned long far *orgparent = MK_FP(rmodseg, RMOD_OFFSET_ORIGPARENT); |
| unsigned long *myparent = (void *)0x0A; |
| unsigned short far *rmodenv_ptr = MK_FP(rmodseg, RMOD_OFFSET_ENVSEG); |
| unsigned short rmodenv = *rmodenv_ptr; |
| |
| /* set my parent back to original value (if 0 = shell is permanent) */ |
| if (*orgparent == 0) return; |
| /* detect "I am the origin shell" situations */ |
| if (*orgparent == 0xffff) return; /* original parent set to 0xffff (DOS-C / FreeDOS) */ |
| if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */ |
| |
| /* set my parent back to original value */ |
| *myparent = *orgparent; |
| |
| _asm { |