The most appropriate matching for the following pairs (GATE CS 2000)
X: m=malloc(5); m= NULL; 1: using dangling pointers Y: free(n); n->value=5; 2: using uninitialized pointers Z: char *p; *p = ’a’; 3. lost memory is:
(A) X—1 Y—3 Z-2
(B) (X—2 Y—1 Z-3
(C) X—3 Y—2 Z-1
(D) X—3 Y—1 Z-2
Answer: (D)
Explanation: X -> A pointer is assigned to NULL without freeing memory so a clear example of memory leak
Y -> Trying to retrieve value after freeing it so dangling pointer.
Z -> Using uninitialized pointers
Quiz of this Question