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2001-05-05 Mark Kettenis <kettenis@gnu.org> * sysdeps/mach/hurd/bits/environments.h: Add comment from sysdeps/generic/bits/environments.h. Define _POSIX_V6_* values.
54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
/* Copyright (C) 1998, 2001 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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#ifndef _UNISTD_H
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# error "Never include this file directly. Use <unistd.h> instead"
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#endif
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/* This header should define the following symbols under the described
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situations. A value `1' means that the model is always supported,
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`-1' means it is never supported. Undefined means it cannot be
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statically decided.
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_POSIX_V6_ILP32_OFF32 32bit int, long, pointers, and off_t type
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_POSIX_V6_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type
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_POSIX_V6_LP64_OFF32 64bit long and pointers and 32bit off_t type
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_POSIX_V6_LPBIG_OFFBIG 64bit long and pointers and large off_t type
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The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
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_XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
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and are available only for compatibility.
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*/
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/* By default we have 32-bit wide `int', `long int', pointers and
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`off_t'. */
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#define _POSIX_V6_ILP32_OFF32 1
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#define _XBS5_ILP32_OFF32 1
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/* We can never (yet) provide an environment with the above size but
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a 64-bit size `off_t'. */
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#define _POSIX_V6_ILP32_OFFBIG -1
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#define _XBS5_ILP32_OFFBIG -1
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/* We can never provide environments with 64-bit wide pointers. */
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#define _POSIX_V6_LP64_OFF64 -1
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#define _POSIX_V6_LPBIG_OFFBIG -1
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#define _XBS5_LP64_OFF64 -1
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#define _XBS5_LPBIG_OFFBIG -1
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