RE: [Dev-C++] How to get application directory?

[Per W. <pw...@ia...>]

To read contents of a link on Linux, just call
readlink()

To reatrieve information about a link - instead of the file it points to,
use lstat() instead of stat().

/Per W

On Tue, 9 Mar 2004, P.D. van Zelst wrote:

> For the original poster: Don't know if it will help you, but in Win32 I get
> the path to the running application like this:
>
> char szBuf[512];
> GetModuleFileName(NULL, szBuf, 512);
>
> (if the call succeeded, szBuf now contains the full path to the current
> module (executable))
>
> To Per:
> Thanks :D I forgot that lots of things are file (or pseudo-file) based in
> Linux. But it appears that /proc/self/exe is a symlink to the current
> binary... which brings me to a second problem: How do I get the target of a
> symlink as a string or something :) Whenever I'm programming for Linux I
> constantly run into problems, cause I have no clue where to get MSDN-like
> information for Linux or POSIX.
>
> Regards,
>
>
> Paul
>
> -----Original Message-----
> From: dev...@li...
> [mailto:dev...@li...] On Behalf Of Per
> Westermark
> Sent: Tuesday, March 09, 2004 1:14 PM
> To: sub...@ar...
> Cc: dev...@li...
> Subject: Re: [Dev-C++] How to get application directory?
>
> If the application was started with a path, you might retrieve it as
> the arg[0] parameter of main().
>
> If not, you have to search the path for an application with the correct
> name. I don't think there is a standard function to perform this. If I'm
> wrong, I very much want to know the name of the function, since it would
> be useful :)
>
> On Linux, it is possible to heck in the /proc filesystem. There exists a
> symbolic link:
> /proc/<process_id>/exe -> /my/running/binary
> That will specify which binary that is running.
>
> It may also be accessed as:
> /proc/self/exe -> /my/running/binary
> to avoid the extra trouble of retrieving process id and dynamically create
> the path to the symbolic link.
>
> /Per W
>
> On Tue, 9 Mar 2004 sub...@ar... wrote:
>
> > What I actually wanted is the directory where the binary application is
> stored...
> > Anybody knows how to get it?
> >
> > Thanks again,
> > Josep
> >
> > ----- Original Nachricht ----
> > Von:     Per Westermark <pw...@ia...>
> > An:      Kevin Wood <ke...@me...>
> > Datum:   09.03.2004 10:28
> > Betreff: Re: [Dev-C++] How to get application directory?
> >
> > > The question was which directory the application is running in - not
> where
> > > the application binary is stored.
> > >
> > > /Per W
> > >
> > > On Tue, 9 Mar 2004, Kevin Wood wrote:
> > >
> > > > getcwd()  returns the current working directory, which is not
> necessarily
> > > > the same as the directory in which the application resides.
> > > >
> > > > At 08:10 09/03/04, Per Westermark wrote:
> > > > >getcwd() or _getcwd().
> > > > >
> > > > >/Per W
> > > > >
> > > > >On Tue, 9 Mar 2004, Josep Subirana wrote:
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > Do you know how to get the directory where your c++ application is
> > > running
> > > > > > in?
> > > > > > This should be a simple question for most experienced c++
> > > programmers!
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Josep
> > > > > >
> > > >
> > > >
> > > >
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