ass4/mart/sws1-assignment4-s4109503-s4202015/exercise2.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 void heap_attack(void)
   6 {
   7         char *b = malloc(1);
   8         while(memcmp(--b, "4109503", 8) != 0);
   9         b += 7;
  10         while(memcmp(b, "4202015", 8) != 0)
  11                 *b++ = ' ';
  12 }
  13
  14 int  main(void)
  15 {
  16         char *s1 = malloc(8);
  17         if(s1 == NULL)
  18                 return -1;
  19         char *s2 = malloc(8);
  20         if(s2 == NULL)
  21                 return -1;
  22         strcpy(s1, "4109503");
  23         strcpy(s2, "4202015");
  24         heap_attack();
  25         printf("student 1: \"%s\"\n", s1);
  26         printf("student 2: \"%s\"\n", s2);
  27         return 0;
  28 }