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I have been a C/C++ programmer for 4 years now, and now that I'm actually reading a tut on it, I have to say, I am impressed! The whole concept of the DS really is cool; and it's flexability is the best I have seen.

While I was reading one of the lessons I noticed how they mentioned that the ESP changed according the data pushed.
So, would the following code be considered valid?

mov ebx, esp
push dword [first_var]
push dword [middle_var]
push dword [last_var]
call [my_function]
mov esp, ebx
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Last Post by Duoas
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In my opinion its bad practice to do that. Though as already said its valid if EBX remains unchanged after the function returns.

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Yes, it is bad practice. But the caller's question was, as I understood it, more to the way the stack actually works than to the propriety of doing it.

I could be wrong.

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