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- /* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <sys/stat.h>
- #include <hurd.h>
- #include <hurd/paths.h>
- #include <fcntl.h>
- #include "stdio/_itoa.h"
-
- /* Temporary hack; this belongs in a header file, probably types.h. */
- #define major(x) ((int)(((unsigned) (x) >> 8) & 0xff))
- #define minor(x) ((int)((x) & 0xff))
-
-
- /* Create a device file named FILE_NAME, with permission and special bits MODE
- and device number DEV (which can be constructed from major and minor
- device numbers with the `makedev' macro above). */
- int
- DEFUN(__mknod, (file_name, mode, dev),
- CONST char *file_name AND mode_t mode AND dev_t dev)
- {
- error_t err;
- file_t dir, node;
- char *name;
- char buf[100], *bp;
- const char *translator;
- size_t len;
-
- if (S_ISCHR (mode))
- {
- translator = _HURD_CHRDEV;
- len = sizeof (_HURD_CHRDEV);
- }
- else if (S_ISBLK (mode))
- {
- translator = _HURD_BLKDEV;
- len = sizeof (_HURD_BLKDEV);
- }
- else if (S_ISFIFO (mode))
- {
- translator = _HURD_FIFO;
- len = sizeof (_HURD_FIFO);
- }
- else
- {
- errno = EINVAL;
- return -1;
- }
-
- if (! S_ISFIFO (mode))
- {
- /* We set the translator to "ifmt\0major\0minor\0", where IFMT
- depends on the S_IFMT bits of our MODE argument, and MAJOR and
- MINOR are ASCII decimal (octal or hex would do as well)
- representations of our arguments. Thus the convention is that
- CHRDEV and BLKDEV translators are invoked with two non-switch
- arguments, giving the major and minor device numbers in %i format. */
-
- bp = buf + sizeof (buf);
- *--bp = '\0';
- bp = _itoa (minor (dev), bp, 10, 0);
- *--bp = '\0';
- bp = _itoa (major (dev), bp, 10, 0);
- memcpy (bp - len, translator, len);
- translator = bp - len;
- len = buf + sizeof (buf) - translator;
- }
-
- dir = __file_name_split (file_name, &name);
- if (dir == MACH_PORT_NULL)
- return -1;
-
- /* Create a new, unlinked node in the target directory. */
- err = __dir_mkfile (dir, O_WRITE, mode & ~S_IFMT & _hurd_umask, &node);
-
- if (! err)
- /* Set the node's translator to make it a device. */
- err = __file_set_translator (node,
- FS_TRANS_EXCL | FS_TRANS_SET,
- FS_TRANS_EXCL | FS_TRANS_SET, 0,
- translator, len,
- MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
-
- if (! err)
- /* Link the node, now a valid device, into the target directory. */
- err = __dir_link (node, dir, name);
-
- __mach_port_deallocate (__mach_task_self (), dir);
- __mach_port_deallocate (__mach_task_self (), node);
-
- if (err)
- return __hurd_fail (err);
- return 0;
- }
-