Bug 149641

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Description of problem:
When you try and save overwriting a symlink, you get:
Could not create backup copy.
Typical usage is: I created a symlink on my desktop to an oocalc document, and 
I want to open it by simply clicking on the symlink. It works, but when I try
to save it later, I get the above message. I need to Save As.. and overwrite
the document itself (not the symlink).

Version-Release number of selected component (if applicable):
1.1.3-6.5.0.fc3

How reproducible:
Always

Steps to Reproduce:
1.Create a document named abc.sxc - save and close oocalc
2.ln -s abc.sxc cde.sxc
3.open cde.sxc
4.change anything, and try to save.
5.You get the "Could not create backup copy" warning.
  

Actual Results:  The document has not been saved at all.

Expected Results:  I think it should follow the symlink and overwrite the document.
Any user gets the impression that it opens 'cde.sxc' but fails to save it.

Additional info:

Well, I have hardly any idea of how to debug this. I tried a strace... I got
some weird results, it seems it creates a directory with a .bak extension in
the backup dir, and the tries to open the original document with O_DIRECTORY.
This seems so absurd to me. I've had a look at the source but it's all
obfuscated C++ (I'm no C++ guy at all) and wasn't able to isolate the open()
call. Luckily, it seems the warning message can be generated only in two places
in the whole source, so I hope someone more skilled than me in C++ and more
comfortable with OO sources will be able to spot this pretty easily.
I'm ranking this as 'normal', since I think syslinks are no rocket science.
Of course I can stop using them at all, but I don't know any other way to
get the same functionality (I keep links to "hot" documents on my desktop,
and documents themselves under some deep directory structure).
BTW, I tested this with oowrite as well, and got the same result.