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e8f51d56d4
* sysdeps/mach/getsysstats.c (__get_nprocs_conf, __get_nprocs, __get_phys_pages): Cast &HBI to silence warning. * hurd/Makefile (routines): Add hurdchdir and hurdfchdir. * hurd/hurdchdir.c: New file. * hurd/hurdfchdir.c: New file. * sysdeps/mach/hurd/chroot.c: Call _hurd_change_directory_port_from_name to do the work. * sysdeps/mach/hurd/chdir.c: Likewise. * sysdeps/mach/hurd/fchdir.c: Call _hurd_change_directory_port_from_fd to do the work. * hurd/fchroot.c: Likewise. * hurd/hurd.h: Declare them.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Change a port cell to a directory in an open file descriptor.
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Copyright (C) 1999 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 <unistd.h>
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#include <hurd.h>
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#include <hurd/port.h>
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#include <hurd/fd.h>
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#include <fcntl.h>
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int
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_hurd_change_directory_port_from_fd (struct hurd_port *portcell, int fd)
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{
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error_t err;
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file_t dir;
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err = HURD_DPORT_USE (fd,
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({
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dir = __file_name_lookup_under (port, ".", 0, 0);
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dir == MACH_PORT_NULL ? errno : 0;
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}));
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if (! err)
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_hurd_port_set (portcell, dir);
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return err ? __hurd_fail (err) : 0;
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}
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