[Gllug] c / sizeof structures / tool

[Jonathan Harker]

On Friday 14 June 2002 6:31 pm, Simon Trimmer wrote:
> Someone must know this...
> 
> Given a load of .h files, does anyone know of a tool to display the size of
> the structures?
> 
> -Simon
> Simon Trimmer <simon at urbanmyth.org>
> 

<disclaimer>
I do not know of any available tools.
I am NOT a perl head.
I am pissed.
It is late.
</disclaimer>

You could write a shell/perl/other script that writes and compiles a little 
program for each .h you have. For each .h, look for (awk?) a sequence such as

struct X
class Y
 
and record and count the class/struct names. You don't want the ones that end 
in semicolons as they're declared without being defined, eg.

struct DefinedElsewhere;

Once you've miraculously got the list of class/struct names, generate a 
test.cpp file along the lines of

----------
#include <iostream>
using std::cout;
using std::endl;

// your script inserts the header file here:
#include <header.h>
int main()
{
  // get your script to automate this for each class/struct name:
  cout << "X has a size of " << sizeof(X) << endl;
  cout << "Y has a size of " << sizeof(Y) << endl;
}
----------

Then compile it
(g++ -o test test.cpp)
and run the test program...
repeat for each .h

Hope that helps, bear in mind above disclaimer! 
Luv Jon

-- 
Jonathan Harker
Web: www.jonathanharker.co.uk
ICQ: 30647378
MSN Messenger: jonathanischoice at hotmail.com
Yahoo & AIM chat: jonathanischoice

-- 
Gllug mailing list  -  Gllug at linux.co.uk
http://list.ftech.net/mailman/listinfo/gllug