Patch for FilePlugin - bug 3649

> Hi Ian.
>
> I've found and fixed a problem in the Unix FilePlugin regarding
> directory deletion. The problem is already covered by a test case  
> in the
> 3.8 and 3.9 images. A description of the fault is here:
> http://bugs.impara.de/view.php?id=3649 and I've attached the patch
> against SVN trunk.
>
> Regards,
>   Tony
> Index: platforms/unix/plugins/FilePlugin/sqUnixFile.c
> ===================================================================
> --- platforms/unix/plugins/FilePlugin/sqUnixFile.c (revision 1509)
> +++ platforms/unix/plugins/FilePlugin/sqUnixFile.c (working copy)
> @@ -122,6 +122,12 @@
>      return false;
>    if (!sq2uxPath(pathString, pathStringLength, name, MAXPATHLEN, 1))
>      return false;
> +  if (lastPathValid && !strcmp(lastPath, name)) {
> +    closedir(openDir);
> +    lastPathValid = false;
> +    lastIndex = -1;
> +    lastPath[0] = '\0';
> +  }
>    return rmdir(name) == 0;
>  }
>

> John M McIntosh wrote:
>> I think I only do this in dir_Delete, but is that enough?
>>>>>   lastPath[0] = '\0';
>
> Perhaps set lastPathValid = false? I'm seeing that happen in the  
> carbon
> version of dir_Delete, but no mention of lastPath or lastPathValid at
> all in the non-carbon version of dir_Delete.
>
> This is the SVN head, of course, since I haven't looked hard enough to
> find a more appropriate source for the Mac OS plugin code :-)
>
> Tony