newlib/winsup/cygwin/fhandler_netdrive.cc

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/* fhandler_netdrive.cc: fhandler for // and //MACHINE handling
Copyright 2005 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <unistd.h>
#include <stdlib.h>
#include <sys/cygwin.h>
#include "cygerrno.h"
#include "security.h"
#include "path.h"
#include "fhandler.h"
#include "dtable.h"
#include "cygheap.h"
#include <assert.h>
/* Returns 0 if path doesn't exist, >0 if path is a directory,
-1 if path is a file, -2 if it's a symlink. */
int
fhandler_netdrive::exists ()
{
return 1;
}
fhandler_netdrive::fhandler_netdrive ():
fhandler_virtual ()
{
}
int
fhandler_netdrive::fstat (struct __stat64 *buf)
{
const char *path = get_name ();
debug_printf ("fstat (%s)", path);
(void) fhandler_base::fstat (buf);
buf->st_mode = S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
return 0;
}
struct dirent *
fhandler_netdrive::readdir (DIR * dir)
{
return NULL;
}
int
fhandler_netdrive::open (int flags, mode_t mode)
{
int res = fhandler_virtual::open (flags, mode);
if (!res)
goto out;
nohandle (true);
if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
{
set_errno (EEXIST);
res = 0;
goto out;
}
else if (flags & O_WRONLY)
{
set_errno (EISDIR);
res = 0;
goto out;
}
res = 1;
set_flags ((flags & ~O_TEXT) | O_BINARY | O_DIROPEN);
set_open_status ();
out:
syscall_printf ("%d = fhandler_netdrive::open (%p, %d)", res, flags, mode);
return res;
}