Introduction to Programming
Lecture 24
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Dynamic Memory Allocation - Introduction to Programming - Lecture Slides, Slides of Computer Programming
Dynamic memory allocation, Advantages of Dynamic memory allocation, Disadvantages of static memory allocation, Programming errors, Compile Time Allocation, Heap are the key points of this lecture.
Typology: Slides
2011/2012
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Introduction to Programming
Lecture 24
Today’s Agenda
Memory Allocation
- Dynamic memory allocation
- Advantages/disadvantages of
Dynamic and static memory
allocation
- Common programming errors while
using Dynamic memory allocation
Compile Time Allocation
Dynamic Memory Allocation
Pointers
void
Pointer
void *ptr ;
Cast
( int * ) ptr ;
NULL
calloc ( 1000 , sizeof ( int ) ) ;
( int * ) calloc ( 1000 , sizeof ( int ) ) ;
Example 1 int *iPtr ; iPtr = ( int * ) calloc ( 1000 , sizeof ( int ) ) ; if ( iPtr == NULL ) exit ( ) ;
void * malloc ( n ) ;