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- /* Copyright (C) 1999 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- #ifndef _UNISTD_H
- # error "Never include this file directly. Use <unistd.h> instead"
- #endif
- #include <bits/wordsize.h>
- /* This header should define the following symbols under the described
- situations. A value `1' means that the model is always supported,
- `-1' means it is never supported. Undefined means it cannot be
- statically decided.
- _XBS5_ILP32_OFF32 32bit int, long, pointers, and off_t type
- _XBS5_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type
- _XBS5_LP64_OFF32 64bit long and pointers and 32bit off_t type
- _XBS5_LPBIG_OFFBIG 64bit long and pointers and large off_t type
- */
- #if __WORDSIZE == 64
- /* We can never provide environments with 32-bit wide pointers. */
- # define _XBS5_ILP32_OFF32 -1
- # define _XBS5_ILP32_OFFBIG -1
- /* By default we have 64-bit wide `long int', pointers and `off_t'. */
- # define _XBS5_LP64_OFF32 1
- # define _XBS5_LPBIG_OFFBIG 1
- #else /* __WORDSIZE == 32 */
- /* By default we have 32-bit wide `int', `long int', pointers and `off_t'. */
- # define _XBS5_ILP32_OFF32 1
- /* We optionally provide an environment with the above size but an 64-bit
- side `off_t'. Therefore we don't define _XBS5_ILP32_OFFBIG. */
- /* We can never provide environments with 64-bit wide pointers. */
- # define _XBS5_LP64_OFF64 -1
- # define _XBS5_LPBIG_OFFBIG -1
- #endif /* __WORDSIZE == 32 */
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