| 33,16 → 33,20 |
|---|
| * my parent is unknown */ |
| void sayonara(struct rmod_props far *rmod) { |
| unsigned short rmodseg = rmod->rmodseg; |
| unsigned long *myparent = (void *)0x0A; |
| unsigned long *myint22 = (void *)0x0A; |
| unsigned short *myparent = (void *)0x16; |
| unsigned short far *rmodenv_ptr = MK_FP(rmodseg, RMOD_OFFSET_ENVSEG); |
| unsigned short rmodenv = *rmodenv_ptr; |
| |
| /* detect "I am the origin shell" situations */ |
| if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */ |
| if ((rmod->origparent >> 16) == 0xffff) return; /* original parent seg set to 0xffff (DOS-C / FreeDOS) */ |
| if ((rmod->origint22 >> 16) == 0xffff) return; /* original int22h seg set to 0xffff (DOS-C / FreeDOS) */ |
| if (rmod->origenvseg == 0) return; /* no original environment (MSDOS 5/6) */ |
| |
| /* set my parent back to original value */ |
| /* set my int 22h handler back to its original value */ |
| *myint22 = rmod->origint22; |
| |
| /* set my parent back to its original value */ |
| *myparent = rmod->origparent; |
| |
| _asm { |