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d1462d2e3f
* sysdeps/unix/sysv/linux/sys/sysmacros.h: Pretty print. * sysdeps/unix/sysv/linux/Dist: Remove sys/sysmacros.h. * sysdeps/unix/sysv/linux/Makefile: Remove sys/sysmacros.h. * posix/Makefile (headers): Add sys/sysmacros.h. * posix/sys/types.h: Include sys/sysmacros.h for __USE_BSD. * sysdeps/generic/sys/sysmacros.h: New file. * sysdeps/mach/hurd/xmknod.c: Include sys/types.h and remove minor and major definition.
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 99 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <sys/stat.h>
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#include <hurd.h>
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#include <hurd/paths.h>
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#include <fcntl.h>
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#include "stdio-common/_itoa.h"
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#include <string.h>
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#include <sys/types.h>
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/* Create a device file named FILE_NAME, with permission and special bits MODE
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and device number DEV (which can be constructed from major and minor
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device numbers with the `makedev' macro above). */
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int
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__xmknod (int vers, const char *file_name, mode_t mode, dev_t *dev)
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{
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error_t err;
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file_t dir, node;
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char *name;
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char buf[100], *bp;
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const char *translator;
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size_t len;
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if (vers != _MKNOD_VER)
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return __hurd_fail (EINVAL);
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if (S_ISCHR (mode))
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{
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translator = _HURD_CHRDEV;
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len = sizeof (_HURD_CHRDEV);
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}
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else if (S_ISBLK (mode))
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{
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translator = _HURD_BLKDEV;
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len = sizeof (_HURD_BLKDEV);
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}
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else if (S_ISFIFO (mode))
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{
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translator = _HURD_FIFO;
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len = sizeof (_HURD_FIFO);
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}
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else
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{
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errno = EINVAL;
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return -1;
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}
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if (! S_ISFIFO (mode))
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{
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/* We set the translator to "ifmt\0major\0minor\0", where IFMT
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depends on the S_IFMT bits of our MODE argument, and MAJOR and
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MINOR are ASCII decimal (octal or hex would do as well)
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representations of our arguments. Thus the convention is that
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CHRDEV and BLKDEV translators are invoked with two non-switch
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arguments, giving the major and minor device numbers in %i format. */
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bp = buf + sizeof (buf);
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*--bp = '\0';
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bp = _itoa (minor (*dev), bp, 10, 0);
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*--bp = '\0';
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bp = _itoa (major (*dev), bp, 10, 0);
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memcpy (bp - len, translator, len);
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translator = bp - len;
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len = buf + sizeof (buf) - translator;
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}
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dir = __file_name_split (file_name, &name);
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if (dir == MACH_PORT_NULL)
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return -1;
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/* Create a new, unlinked node in the target directory. */
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err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node);
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if (! err)
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/* Set the node's translator to make it a device. */
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err = __file_set_translator (node,
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FS_TRANS_EXCL | FS_TRANS_SET,
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FS_TRANS_EXCL | FS_TRANS_SET, 0,
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translator, len,
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MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
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if (! err)
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/* Link the node, now a valid device, into the target directory. */
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err = __dir_link (dir, node, name, 1);
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__mach_port_deallocate (__mach_task_self (), dir);
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__mach_port_deallocate (__mach_task_self (), node);
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if (err)
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return __hurd_fail (err);
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return 0;
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}
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