To: cygwin@cygwin.com, =?utf-8?Q?Ren=C3=A9?= Berber <r.berber@computer.org>
Subject: Re: executable = exe + data
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Reply-To: sds@gnu.org
From: Sam Steingold <sds@gnu.org>
In-Reply-To: <dp2mt4$4ij$1@sea.gmane.org> (=?utf-8?Q?Ren=C3=A9?= Berber's  message of "Fri, 30 Dec 2005 01:16:52 -0600")
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Date: Sat, 31 Dec 2005 18:22:29 -0500
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> * René Berber <e.oreore@pbzchgre.bet> [2005-12-30 01:16:52 -0600]:
>
> Sam Steingold wrote:
>
>> the only idea I have had so far is this:
>> 
>>    char string[]="this is a buffer into which I will be writing my stuff";
>>    size_t my_length = atol(string);
>> 
>> and then have a post-processor edit lisp.exe and replace the contents of
>> string with the actual lisp.exe file length (I need the long initial
>> junk there so that the post-processor will be able to find where it is to
>> write the length).
>
> The steps would be something like:
>
> 1. Compile program, say "gcc -mwindows h.c -o h";
>
> 2. Record file size;
>
> 3. Concatenate program and data, say "cat h.exe h.data > longh.exe";
>
> 4. Run through post-processor (with longh.exe and size as parameter).

so, the only reasonable way is to search the executable for the magic
line...

I hoped that there is some other way to find out where the variable is
stored in the executable file.

Thanks!

-- 
Sam Steingold (http://www.podval.org/~sds) running w2k
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