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Date: Tue, 23 May 2006 18:32:00 -0000
From: Bob Rossi <bob_rossi@cox.net>
To: Arijit Das <arijit79@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: How to portably print out Env of a Process
Message-ID: <20060523125622.GA15393@brasko.net>
References: <5f3d30900605222046t810dd4cue180cba7b0541fa7@mail.gmail.com>
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On Tue, May 23, 2006 at 09:16:42AM +0530, Arijit Das wrote:
> Hi,
> 
> Is it possible to print out the env of a process portably with the
> same cmdline/script in different os/arch combinations?
> 
> Here is how I tried to do it for i686 - RH3.0:
> 
> (gdb) p (char *) getenv("HOME")
> [Switching to Thread 1024 (LWP 17639)]
> $1 = 0xdffff781 "/remote/vtghome7/arijit"
> (gdb)
> 
> It worked fine.
> 
> But when I tried executing this command in x86_64, I got strange results:
> 
> (gdb) p (char *) getenv("HOME")
> [Switching to Thread 182901576896 (LWP 26427)]
> $1 = 0xffffffffbfffc790 <Address 0xffffffffbfffc790 out of bounds>
> (gdb)
> 
> I guess some kind of 32/64 bits conversion might be messing things up
> here....but am not sure exactly what? Any help here?

How about, 'shell echo $HOME'?

Bob Rossi