1 |
2 |
drasko |
/* Copyright (C) 1999, 2001, 2004 Free Software Foundation, Inc.
|
2 |
|
|
This file is part of the GNU C Library.
|
3 |
|
|
|
4 |
|
|
The GNU C Library is free software; you can redistribute it and/or
|
5 |
|
|
modify it under the terms of the GNU Lesser General Public
|
6 |
|
|
License as published by the Free Software Foundation; either
|
7 |
|
|
version 2.1 of the License, or (at your option) any later version.
|
8 |
|
|
|
9 |
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
10 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
11 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
12 |
|
|
Lesser General Public License for more details.
|
13 |
|
|
|
14 |
|
|
You should have received a copy of the GNU Lesser General Public
|
15 |
|
|
License along with the GNU C Library; if not, write to the Free
|
16 |
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
17 |
|
|
02111-1307 USA. */
|
18 |
|
|
|
19 |
|
|
#ifndef _UNISTD_H
|
20 |
|
|
# error "Never include this file directly. Use <unistd.h> instead"
|
21 |
|
|
#endif
|
22 |
|
|
|
23 |
|
|
#include <bits/wordsize.h>
|
24 |
|
|
|
25 |
|
|
/* This header should define the following symbols under the described
|
26 |
|
|
situations. A value `1' means that the model is always supported,
|
27 |
|
|
`-1' means it is never supported. Undefined means it cannot be
|
28 |
|
|
statically decided.
|
29 |
|
|
|
30 |
|
|
_POSIX_V6_ILP32_OFF32 32bit int, long, pointers, and off_t type
|
31 |
|
|
_POSIX_V6_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type
|
32 |
|
|
|
33 |
|
|
_POSIX_V6_LP64_OFF32 64bit long and pointers and 32bit off_t type
|
34 |
|
|
_POSIX_V6_LPBIG_OFFBIG 64bit long and pointers and large off_t type
|
35 |
|
|
|
36 |
|
|
The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
|
37 |
|
|
_XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
|
38 |
|
|
and are available only for compatibility.
|
39 |
|
|
*/
|
40 |
|
|
|
41 |
|
|
#if __WORDSIZE == 64
|
42 |
|
|
|
43 |
|
|
/* We can never provide environments with 32-bit wide pointers. */
|
44 |
|
|
# define _POSIX_V6_ILP32_OFF32 -1
|
45 |
|
|
# define _POSIX_V6_ILP32_OFFBIG -1
|
46 |
|
|
# define _XBS5_ILP32_OFF32 -1
|
47 |
|
|
# define _XBS5_ILP32_OFFBIG -1
|
48 |
|
|
/* We also have no use (for now) for an environment with bigger pointers
|
49 |
|
|
and offsets. */
|
50 |
|
|
# define _POSIX_V6_LPBIG_OFFBIG -1
|
51 |
|
|
# define _XBS5_LPBIG_OFFBIG -1
|
52 |
|
|
|
53 |
|
|
/* By default we have 64-bit wide `long int', pointers and `off_t'. */
|
54 |
|
|
# define _POSIX_V6_LP64_OFF64 1
|
55 |
|
|
# define _XBS5_LP64_OFF64 1
|
56 |
|
|
|
57 |
|
|
#else /* __WORDSIZE == 32 */
|
58 |
|
|
|
59 |
|
|
/* By default we have 32-bit wide `int', `long int', pointers and `off_t'
|
60 |
|
|
and all platforms support LFS. */
|
61 |
|
|
# define _POSIX_V6_ILP32_OFF32 1
|
62 |
|
|
# define _POSIX_V6_ILP32_OFFBIG 1
|
63 |
|
|
# define _XBS5_ILP32_OFF32 1
|
64 |
|
|
# define _XBS5_ILP32_OFFBIG 1
|
65 |
|
|
|
66 |
|
|
/* We optionally provide an environment with the above size but an 64-bit
|
67 |
|
|
side `off_t'. Therefore we don't define _XBS5_ILP32_OFFBIG. */
|
68 |
|
|
|
69 |
|
|
/* We can never provide environments with 64-bit wide pointers. */
|
70 |
|
|
# define _POSIX_V6_LP64_OFF64 -1
|
71 |
|
|
# define _POSIX_V6_LPBIG_OFFBIG -1
|
72 |
|
|
# define _XBS5_LP64_OFF64 -1
|
73 |
|
|
# define _XBS5_LPBIG_OFFBIG -1
|
74 |
|
|
|
75 |
|
|
/* CFLAGS. */
|
76 |
|
|
#define __ILP32_OFFBIG_CFLAGS "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
|
77 |
|
|
|
78 |
|
|
#endif /* __WORDSIZE == 32 */
|