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picture1_Lecture09


 58x       Filetype PDF       File size 0.07 MB       Source: engineering.purdue.edu


File: Lecture09
ece264advancedcprogramming contents 1 deepcopy 1 2 complexityofselectionsort 5 3 pointer arithmetics 9 1 deepcopy thepreviouslectureendedwhenweencounteredaproblem p1 p2 madep1andp2sharethesameaddressfortheirnames asaresult changingp1 sname also changes p2 s name there are several solutions ...

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...Eceadvancedcprogramming contents deepcopy complexityofselectionsort pointer arithmetics thepreviouslectureendedwhenweencounteredaproblem p madepandpsharethesameaddressfortheirnames asaresult changingp sname also changes s name there are several solutions and we will explain only one called deep copy another solu tion uses reference counts on write this is beyond the scope of ece instead using have to provide a function objects in example use pointers for from now most cases because their exibility when structures c often need dynamically allocate andrelease memory much easier handle allocation release person h ifndef define typedef struct int age char construct n return ecepurdueuniversity lecture yung hsianglu void assign notice first object destruct print getage getname endif change constructor rst creates an then array hold two new func tions former replaces assignment that caused problems earlier shallow was used what does mean copying address additional so source destination do no...

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