NSRangePointer trouble!

hi

i'm trying write method returns nsrangepointer, i'm getting garbage values back. when method part of same object that's calling it, works fine. when method part of object doesn't. can help?

method:
myobject

code:

  -(bool)test:(nsrangepointer)range {      range->length = 6;      range->location = 1;      return yes;  }  

getting range pointer:
adifferentobject

code:

  nsrange charrange;  [myobjectinstance test:&charrange];  nslog(@"test range: %@",nsstringfromrange(charrange));  

the output like: test range: {140734799801952, 4300215136}

thanks!

 

seems problem basics of c. calling value. need call reference.

 

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