I am very interested in ASM I wana learn write it and read it like a pro..
Now i'm in CLASS issue I want to know how c++ Class definition looks in ASM code..

for example this code


class...

this thread is so ** up

You didnt get my point right I wana change function of a program by injecting a dll into it.

for example we have 2 progs.
1 is .exe which has function DisplayMessage and main funcs call it..
2.a...

can you explain why it wont work?because i already hooked regular variables this way
im totaly new to it..
and yes i heard about detours libary but is there anyway to do it without it? because i...

I am playing with function hooking so I wrote simple program that calls
DisplayMessage Function which prints out Hello..

void DisplayMessage()
{
cout << "Hello";
}


After this one i found...

My first school project after first year of c++ studying in 10 grade for summer to code virtual stack emulation in C++..

Well i've done it perfectly finished just today !!
It supposed to be for...

ahh i got your point!
First of all you need to create an exe which says hello world.
And than you should create another program that injects a dll into the first program which will add "hello...

O.k guys the reason for the new thread because no one understood the previous thread even I didn't understand what I wrote lol!

Now listen to my problem.

I wrote an exe file that loads a dll...

Listen guys i just discovered that the problem comes when I try to use the hello function from the dll.


any ideas?? please?

OK so I got my executable file that should load all the functions from
"message.dll" so I can use them.

But every time I run my executable file I am getting an error that say my executable is...

I've got a great site too.

its called google..

I learned c++ by reading books and asking my friends weird questions lol.

I'm not going to use it anyway.
I just asking:
When the object is destroyed the value at the memory location where he been is still the same as it was when the object destroyed, until another...

But the values in this memory location still will be the same until some variable will take this place and change them right?

You mean to reserve memory for new variables and anything else?
yup?

What do you mean?

You mean that this memory that returned can be used with other program variables or over variables from my program, becuase the function end and the objects are destroyed?

...

So if i do this

char* sample2()
{
char p[] = "Israel";
return(p);
}

the return value is an address of some memory block (garbage).
But now its about the compiler:

when you say garbage you mean the values that is in the memory location that returned in second example?

Hi Everyone,

I have the following function,

char* sample1()
{
char *p = "Israel";
return(p);
}

Ah sorry i thought in your post 10 you wrote that something is wrong here i just miss understood, anyway thanks:)

what is wrong here?
void foo()
{
cout << "Foo Called";
}

int main()
{
(****foo)();
return 0;

So its
(***FuncName)()

Its legal because functions have no values so the dereferencing asterik has no effect on the function name?

Why this is legal?

(****bar)() ;

and here is not?
int x =2;
int *ptr = &x;
cout << (***ptr);

???

Why both of the next examples are the same?

Ex1 : int*(*foo)() = Function;
Ex2: int*(*foo)() = &Function;


Notice: In the second example i'm using & operator.

That means that c++ takes...

Dont use void at the main part.

type casting

cout << (int)x;

I realy realy realy appreciate this 10000 replys help !!

Thanks All Thanks!!!!

Its the last time i asking :)

please can you read it and say me if its correct so i will know for sure?

Okay listen i got it all, i very appreciate your help and all others here that tried to help me ;)

Now after i understood every thing let me test my self, because i'm doubting about this stuff and...

No no no my post 40 is not right.

tell me if this one correct.

Long time ago strings were not constants.
so long time ago it was allowed to assign string literal to a pointer because strings...

look if i understood it good.

you say that long time ago string literals were not constants. so long time ago its was allowed to assign string literal to a a pointer because string literal long...

Oh sorry you maybe confused with my questions because of my poor english.

Look all i want to know is

char *ptr = "String";

Why here the assignment is legal?

its should be ilegal -...

Can you just tell me if its correct so that i can be sure?
If you say " Close Enough" so maybe you just tell me what is correct once for good??

Correct me here if i'm wrong..


You mean some time ago people needed to use strings somehow so they said that the compiler should allow assign address of const string to a pointer, then they did...

char *str = "Hello";
the "const drop" Is it the feature which standard mandates or its an addition??

Ok you explained me all very nice
i'm getting everything now except
why here the const is droped?

char *str = "string";

can you explain it more specific here?

I use "Microsoft Visual C++ 2005 Express Edition".

and with this compiler i cant modify "Literal strings" because they are constants.

So in my compiler if i do this:
char *str = "Literal...

Dont you see??

char *str = "HI";
*str = 'z';
In this case the program will crash with bus error on RunTime !! TEST IT YOUR SELF!!!

1.Or its will crash with runtime error.
2.Or its just will...

You dont understand me do you?

All i ask is

char *ptr = "Hi";
*ptr = 'x';

Why here the compiler doesnt give any errors???

char *ptr = "Hi";