1 #include <string.h>

     2 #include <stdio.h>

     3 #include <stdlib.h>

     4 

     5 // for installation notes see C0.c

     6 

     7 void foo (char *bar)

     8 {

     9   float my_float = 10.5;    // in hex: \x41\x28\x00\x00

    10   char  buffer[28];        

    11 

    12   printf("my float value = %f\n", my_float);

    13 

    14   strcpy(buffer, bar);  

    15  

    16   printf("my float value = %f\n", my_float);

    17 }

    18  

    19 int main (int argc, char **argv)

    20 {

    21   // only float overwritten

    22   foo("my string is too long !!!!! \x10\x10\xc0\x42"); 

    23   // also calls can_never_run

    24   //foo("my string is too long !!!!! \x10\x10\xc0\x42\x90\x90\x90\x90\x55\x84\x04\x08"); 

    25   return 0;

    26 }

    27 

    28 // its address in my setup is \x08048455

    29 void can_never_run()

    30 { 

    31   printf("This can never be executed!\n");

    32   exit(0);

    33 }

    34 

    35