func: void bad() char * dataBuffer = new char [ 100 ] ; memset ( dataBuffer , 'A' , 100 - 1 ); dataBuffer [ 100 - 1 ] = '\0'; data = dataBuffer - 8; badSink ( data ); void badSink(char * data) data [ i ] = source [ i ]; data [ 100 - 1 ] = '\0'; printLine ( data ); void printLine (const char * line) if ( line != NULL )  printf ( "%s\n" , line ); 