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* fhandler.cc (fhandler_disk_file::open): Check for buggy CreateFile

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condition.
        * path.cc (path_conv::check): Get file system type in call to
        GetVolumeInformation to check for file systems with buggy CreateFile.
        * path.h (enum path_types): Add PATH_HASBUGGYOPEN.
        (class path_conv): Add methods `has_buggy_open' and
        `set_has_buggy_open'.
This commit is contained in:
Corinna Vinschen
2000-11-28 18:45:42 +00:00
parent 91797c6d8e
commit e1a993d549
4 changed files with 37 additions and 3 deletions
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15
winsup/cygwin/fhandler.cc
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@ -1238,6 +1238,21 @@ fhandler_disk_file::open (path_conv& real_path, int flags, mode_t mode)
if (!res)
goto out;
/* This is for file systems known for having a buggy CreateFile call
which might return a valid HANDLE without having actually opened
the file.
The only known file system to date is the SUN NFS Solstice Client 3.1
which returns a valid handle when trying to open a file in a non
existant directory. */
if (real_path.has_buggy_open ()
&& GetFileAttributes (win32_path_name_) == (DWORD) -1)
{
debug_printf ("Buggy open detected.");
close ();
set_errno (ENOENT);
return 0;
}
extern BOOL allow_ntea;
extern BOOL allow_ntsec;