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2948fc64a6
* hurd/hurdlookup.c (__file_name_lookup_under): New function. (__hurd_file_name_lookup, __hurd_file_name_lookup_retry, __hurd_file_name_split): Rewritten to take callback functions for using any needed init or dtable port, instead of passing in crdir and cwdir ports. (__file_name_lookup, __file_name_split): Use new calling convention; pass _hurd_ports_use and __getdport as the callback functions. * sysdeps/mach/hurd/chroot.c: Use __file_name_lookup_under instead of __hurd_file_name_lookup. * sysdeps/mach/hurd/chdir.c: Likewise. * sysdeps/mach/hurd/fchdir.c: Likewise. * hurd/fchroot.c: Likewise.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <unistd.h>
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#include <hurd.h>
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#include <fcntl.h>
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#include <hurd/port.h>
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/* Change the current directory to FILE_NAME. */
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int
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DEFUN(__chdir, (file_name), CONST char *file_name)
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{
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file_t file, dir;
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file = __file_name_lookup (file_name, O_EXEC, 0);
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if (file == MACH_PORT_NULL)
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return -1;
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dir = __file_name_lookup_under (file, "", O_EXEC, 0);
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__mach_port_deallocate (__mach_task_self (), file);
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if (dir == MACH_PORT_NULL)
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return -1;
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_hurd_port_set (&_hurd_ports[INIT_PORT_CWDIR], dir);
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return 0;
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}
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weak_alias (__chdir, chdir)
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