Irrlicht 'createDevice' changes current working directory?

[erwincoumans]

When trying to open a file using fopen, in the current working directory from the console, it can't find the file unless the fopen happens before the Irrlicht 'createDevice' call. (Irrlicht 1.5.1)

Is this change in current working directory intended?
Thanks,
Erwin

[bitplane]

As said on irc this shouldn't happen. I'll look into it though, moving to bug reports

[vitek]

I haven't tested this, but it would be nice if you had a testcase to verify this. The following should work on most systems.

Code: Select all

#include <irrlicht.h>
#include <string.h> // for strcmp()
#include <assert.h> // for assert()

#if defined (_IRR_WINDOWS_API_)
#  include <direct.h> // for _getcwd()
#  define getcwd(x,y) _getcwd(x,y)
#else
#  include <unistd.h> // for getcwd()
#endif

using namespace irr;

int main ()
{
  char buf1 [PATH_MAX + 1];
  getcwd (buf1, sizeof buf1);

  IrrlichtDevice* device = createDevice (video::EDT_NULL);

  char buf2 [PATH_MAX + 1];
  getcwd (buf2, sizeof buf2);

  device->drop();

  assert (!strcmp (buf1, buf2));

  return 0;
}

Of course it would be better if you just pointed out where the working directory was being changed. That way bitplane doesn't have to go hunting for it.

Travis

[erwincoumans]

Your code is a reproduction case, just replace the Null device by the OpenGL device on Mac OSX. The working directory is changed right after the 'createDevice ' call.

[hybrid]

So this does not happen with the null driver? That's an interesting point, at least a hint where it might happen. Can you debug into the createDevice call and check if it happens in createWindow or createDriver?
Edit: Seems to happen with every driver:

Code: Select all

                path = [[[NSBundle mainBundle] bundlePath] stringByDeletingLastPathComponent];
                chdir([path fileSystemRepresentation]);

[Seven]

thought it was just me I added a path variable to the App class and change it back as I load items. Interested to see where this is headed.....