How Not to Program in C++

234 Part III

16 volatile int factor2 = 34;

17

18 // We know that 1863 multiples delay

19 // the proper amount

20 for (i = 0; i < 1863; ++i)

21 {

22 result = factor1 * factor2;

23 }

24 }

It’s things like this that make embedded programming so simple.

Answer 40: The problem is that

ostream

is passed as “pass by value”. You can’t

copy stream variables. (If you did it would mean that the system would

have to make a copy of the file.) The parameter should be changed to a

“pass by reference” parameter:

void print_msg_one(

// File to write the message to

class ostream &out_file,

// Where to send it

const char msg[]

)

Answer 41: The problem is the statement:

strcat(file_name, '/');

The

strcat

function takes two strings as arguments. In this example, we’ve

given it a ...