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author | Egor Duda <deo@logos-m.ru> | 2001-06-20 07:44:33 +0000 |
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committer | Egor Duda <deo@logos-m.ru> | 2001-06-20 07:44:33 +0000 |
commit | 9cc97acbd0a601622de1198d8b56db8be48e12fb (patch) | |
tree | 5eedacd09dcd2ca0690079ceb3c7d3de6e15acec | |
parent | ae036f47c54449400fb178008094e20e70488711 (diff) | |
download | newlib-9cc97acbd0a601622de1198d8b56db8be48e12fb.zip newlib-9cc97acbd0a601622de1198d8b56db8be48e12fb.tar.gz newlib-9cc97acbd0a601622de1198d8b56db8be48e12fb.tar.bz2 |
* fhandler.cc (fhandler_base::open): Work around windows bug when
CreateFile() with dwDesiredAccess == 0 called on remote share returns
valid handle even if file doesn't exist.
-rw-r--r-- | winsup/cygwin/ChangeLog | 6 | ||||
-rw-r--r-- | winsup/cygwin/fhandler.cc | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 47a4c60..86341e0 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,9 @@ +2001-06-30 Egor Duda <deo@logos-m.ru> + + * fhandler.cc (fhandler_base::open): Work around windows bug when + CreateFile() with dwDesiredAccess == 0 called on remote share returns + valid handle even if file doesn't exist. + 2001-06-20 Egor Duda <deo@logos-m.ru> * fhandler_socket.cc (fhandler_socket::signal_secret_event): New diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index a07bc85..6c745c0 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -370,6 +370,17 @@ fhandler_base::open (int flags, mode_t mode) if (get_device () == FH_SERIAL) file_attributes |= FILE_FLAG_OVERLAPPED; + /* CreateFile() with dwDesiredAccess == 0 when called on remote + share returns some handle, even if file doesn't exist. This code + works around this bug. */ + if (get_query_open () && + isremote () && + creation_distribution == OPEN_EXISTING && + GetFileAttributes (get_win32_name ()) == (DWORD) -1) + { + set_errno (ENOENT); + goto done; + } x = CreateFileA (get_win32_name (), access, shared, &sec_none, creation_distribution, file_attributes, |