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* devices.in: Change native device name to native NT device name for

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/dev/null, /dev/comX and /dev/ttySx.
	* devices.cc: Regenerate.
	* fhandler.cc (fhandler_base::open_9x): Remove.
	(fhandler_base::open): Don't test for DOS device name, don't call
	open_9x.
	(fhandler_dev_null::open): Remove.
	* fhandler.h (class fhandler_base): Drop open_9x declaration.
	(class fhandler_dev_null): Drop open declaration.
This commit is contained in:
Corinna Vinschen
2007-02-23 14:20:28 +00:00
parent b5cb5c9e64
commit 296a8a6369
5 changed files with 96 additions and 211 deletions
Download Patch File Download Diff File Expand all files Collapse all files

125
winsup/cygwin/fhandler.cc
View File

@@ -458,119 +458,6 @@ done:
return res;
}
/* Open system call handler function. */
int
fhandler_base::open_9x (int flags, mode_t mode)
{
int res = 0;
HANDLE x;
int file_attributes;
int creation_distribution;
SECURITY_ATTRIBUTES sa = sec_none;
syscall_printf ("(%s, %p)", get_win32_name (), flags);
switch (query_open ())
{
case query_read_control:
case query_stat_control:
access = GENERIC_READ;
break;
case query_write_control:
case query_write_attributes:
access = GENERIC_READ | FILE_WRITE_ATTRIBUTES;
break;
default:
if ((flags & O_ACCMODE) == O_RDONLY)
access = GENERIC_READ;
else if ((flags & O_ACCMODE) == O_WRONLY)
access = GENERIC_WRITE;
else
access = GENERIC_READ | GENERIC_WRITE;
break;
}
if ((flags & O_TRUNC) && ((flags & O_ACCMODE) != O_RDONLY))
{
if (flags & O_CREAT)
creation_distribution = CREATE_ALWAYS;
else
creation_distribution = TRUNCATE_EXISTING;
}
else if (flags & O_CREAT)
creation_distribution = OPEN_ALWAYS;
else
creation_distribution = OPEN_EXISTING;
if ((flags & O_EXCL) && (flags & O_CREAT))
creation_distribution = CREATE_NEW;
if (flags & O_APPEND)
append_mode (true);
file_attributes = FILE_ATTRIBUTE_NORMAL;
if (flags & O_DIROPEN)
file_attributes |= FILE_FLAG_BACKUP_SEMANTICS;
if (flags & O_SYNC)
file_attributes |= FILE_FLAG_WRITE_THROUGH;
if (flags & O_DIRECT)
file_attributes |= FILE_FLAG_NO_BUFFERING;
if (get_major () == DEV_SERIAL_MAJOR)
file_attributes |= FILE_FLAG_OVERLAPPED;
#ifdef HIDDEN_DOT_FILES
if (flags & O_CREAT && get_device () == FH_FS)
{
char *c = strrchr (get_win32_name (), '\\');
if ((c && c[1] == '.') || *get_win32_name () == '.')
file_attributes |= FILE_ATTRIBUTE_HIDDEN;
}
#endif
if (flags & O_CREAT && get_device () == FH_FS)
{
/* If mode has no write bits set, we set the R/O attribute. */
if (!(mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
file_attributes |= FILE_ATTRIBUTE_READONLY;
/* The file attributes are needed for later use in, e.g. fchmod. */
pc.file_attributes (file_attributes & FILE_ATTRIBUTE_VALID_SET_FLAGS);
}
x = CreateFile (get_win32_name (), access, FILE_SHARE_VALID_FLAGS, &sa, creation_distribution,
file_attributes, 0);
if (x == INVALID_HANDLE_VALUE)
{
if (pc.isdir ())
{
if ((flags & O_ACCMODE) != O_RDONLY)
set_errno (EISDIR);
else
nohandle (true);
}
else if (GetLastError () == ERROR_INVALID_HANDLE)
set_errno (ENOENT);
else
__seterrno ();
if (!nohandle ())
goto done;
}
set_io_handle (x);
set_flags (flags, pc.binmode ());
res = 1;
set_open_status ();
done:
debug_printf ("%p = CreateFile (%s, %p, %p, %p, %p, %p, 0)",
x, get_win32_name (), access, FILE_SHARE_VALID_FLAGS, &sa,
creation_distribution, file_attributes);
syscall_printf ("%d = fhandler_base::open (%s, %p)", res, get_win32_name (),
flags);
return res;
}
/* Open system call handler function. */
int
fhandler_base::open (int flags, mode_t mode)
@@ -579,9 +466,6 @@ fhandler_base::open (int flags, mode_t mode)
UNICODE_STRING upath = {0, sizeof (wpath), wpath};
pc.get_nt_native_path (upath);
if (RtlIsDosDeviceName_U (upath.Buffer))
return fhandler_base::open_9x (flags, mode);
int res = 0;
HANDLE x;
ULONG file_attributes = 0;
@@ -1449,15 +1333,6 @@ fhandler_dev_null::fhandler_dev_null () :
{
}
int
fhandler_dev_null::open (int flags, mode_t mode)
{
char posix[strlen (get_name ()) + 1];
strcpy (posix, get_name ());
pc.set_name ("NUL", posix);
return fhandler_base::open_9x (flags, mode);
}
void
fhandler_base::set_no_inheritance (HANDLE &h, bool not_inheriting)
{