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* syscalls.cc (rmdir): Set cwd to some other location if attempting to rmdir

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current working directory.
This commit is contained in:
Christopher Faylor
2001-09-17 18:10:02 +00:00
parent 3e985c99c0
commit 8238a68bb2
3 changed files with 42 additions and 2 deletions
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21
winsup/cygwin/dir.cc
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@ -401,8 +401,29 @@ rmdir (const char *dir)
}
else
{
/* This kludge detects if we are attempting to remove the current working
directory. If so, we will move elsewhere to potentially allow the
rmdir to succeed. This means that cygwin's concept of the current working
directory != Windows concept but, hey, whaddaregonnado?
Note that this will not cause something like the following to work:
$ cd foo
$ rmdir .
since the shell will have foo "open" in the above case and so Windows will
not allow the deletion.
FIXME: A potential workaround for this is for cygwin apps to *never* call
SetCurrentDirectory. */
if (strcasematch (real_dir, cygheap->cwd.win32)
&& !strcasematch ("c:\\", cygheap->cwd.win32))
{
DWORD err = GetLastError ();
if (!SetCurrentDirectory ("c:\\"))
SetLastError (err);
else
return rmdir (dir);
}
if (GetLastError() == ERROR_ACCESS_DENIED)
{
/* On 9X ERROR_ACCESS_DENIED is returned if you try to remove
a non-empty directory. */
if (wincap.access_denied_on_delete ())