Reallocate memory block: how to use realloc


#include <stdio.h>
#include <stdlib.h>

int main ()
{
  int input, n;
  int count=0;
  int *numbers = NULL;

  do {
     printf ("Enter an integer value ( enter 0 to stop): ");
     scanf ("%d", &input);
     count++;
     numbers = (int*) realloc (numbers, count * sizeof(int));
     if (numbers == NULL) { 
         puts ("Error (re)allocating memory"); 
         exit ( 1 ); 
     }
     numbers[ count - 1 ] = input;
  } while (input!=0);

  printf ("Numbers entered: ");
  
  for ( n = 0; n < count; n++) 
      printf ("%d ",numbers[ n ]);
      
  free (numbers);

  return 0;
}

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Reallocate memory block: how to use realloc : Memory Allocation « Memory « C / ANSI-C

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