projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7a9f785 | 1 | /* Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| b9b49b44 UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| b9b49b44 UD |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| b9b49b44 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| b9b49b44 UD |
17 | |
| 18 | #ifndef _UNISTD_H | |
| 19 | # error "Never include this file directly. Use <unistd.h> instead" | |
| 20 | #endif | |
| 21 | ||
| 1c25bcac UD |
22 | #include <bits/wordsize.h> |
| 23 | ||
| b9b49b44 UD |
24 | /* This header should define the following symbols under the described |
| 25 | situations. A value `1' means that the model is always supported, | |
| 26 | `-1' means it is never supported. Undefined means it cannot be | |
| 27 | statically decided. | |
| 28 | ||
| 26b62243 UD |
29 | _POSIX_V7_ILP32_OFF32 32bit int, long, pointers, and off_t type |
| 30 | _POSIX_V7_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type | |
| b9b49b44 | 31 | |
| 26b62243 UD |
32 | _POSIX_V7_LP64_OFF32 64bit long and pointers and 32bit off_t type |
| 33 | _POSIX_V7_LPBIG_OFFBIG 64bit long and pointers and large off_t type | |
| d20f21a2 | 34 | |
| 26b62243 UD |
35 | The macros _POSIX_V6_ILP32_OFF32, _POSIX_V6_ILP32_OFFBIG, |
| 36 | _POSIX_V6_LP64_OFF32, _POSIX_V6_LPBIG_OFFBIG, _XBS5_ILP32_OFF32, | |
| 37 | _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and _XBS5_LPBIG_OFFBIG were | |
| 38 | used in previous versions of the Unix standard and are available | |
| 39 | only for compatibility. | |
| b9b49b44 UD |
40 | */ |
| 41 | ||
| 1c25bcac UD |
42 | #if __WORDSIZE == 64 |
| 43 | ||
| 44 | /* We can never provide environments with 32-bit wide pointers. */ | |
| 26b62243 UD |
45 | # define _POSIX_V7_ILP32_OFF32 -1 |
| 46 | # define _POSIX_V7_ILP32_OFFBIG -1 | |
| d20f21a2 UD |
47 | # define _POSIX_V6_ILP32_OFF32 -1 |
| 48 | # define _POSIX_V6_ILP32_OFFBIG -1 | |
| 1c25bcac UD |
49 | # define _XBS5_ILP32_OFF32 -1 |
| 50 | # define _XBS5_ILP32_OFFBIG -1 | |
| d95f7853 UD |
51 | /* We also have no use (for now) for an environment with bigger pointers |
| 52 | and offsets. */ | |
| 26b62243 | 53 | # define _POSIX_V7_LPBIG_OFFBIG -1 |
| d95f7853 UD |
54 | # define _POSIX_V6_LPBIG_OFFBIG -1 |
| 55 | # define _XBS5_LPBIG_OFFBIG -1 | |
| 1c25bcac UD |
56 | |
| 57 | /* By default we have 64-bit wide `long int', pointers and `off_t'. */ | |
| 26b62243 | 58 | # define _POSIX_V7_LP64_OFF64 1 |
| fc2083cc | 59 | # define _POSIX_V6_LP64_OFF64 1 |
| fc2083cc | 60 | # define _XBS5_LP64_OFF64 1 |
| 1c25bcac UD |
61 | |
| 62 | #else /* __WORDSIZE == 32 */ | |
| 63 | ||
| d20f21a2 UD |
64 | /* By default we have 32-bit wide `int', `long int', pointers and `off_t' |
| 65 | and all platforms support LFS. */ | |
| 26b62243 UD |
66 | # define _POSIX_V7_ILP32_OFF32 1 |
| 67 | # define _POSIX_V7_ILP32_OFFBIG 1 | |
| d20f21a2 UD |
68 | # define _POSIX_V6_ILP32_OFF32 1 |
| 69 | # define _POSIX_V6_ILP32_OFFBIG 1 | |
| 1c25bcac | 70 | # define _XBS5_ILP32_OFF32 1 |
| d20f21a2 | 71 | # define _XBS5_ILP32_OFFBIG 1 |
| 1c25bcac UD |
72 | |
| 73 | /* We optionally provide an environment with the above size but an 64-bit | |
| 26b62243 | 74 | side `off_t'. Therefore we don't define _POSIX_V7_ILP32_OFFBIG. */ |
| 1c25bcac UD |
75 | |
| 76 | /* We can never provide environments with 64-bit wide pointers. */ | |
| 26b62243 UD |
77 | # define _POSIX_V7_LP64_OFF64 -1 |
| 78 | # define _POSIX_V7_LPBIG_OFFBIG -1 | |
| d20f21a2 UD |
79 | # define _POSIX_V6_LP64_OFF64 -1 |
| 80 | # define _POSIX_V6_LPBIG_OFFBIG -1 | |
| 1c25bcac UD |
81 | # define _XBS5_LP64_OFF64 -1 |
| 82 | # define _XBS5_LPBIG_OFFBIG -1 | |
| 83 | ||
| 28f367c4 UD |
84 | /* CFLAGS. */ |
| 85 | #define __ILP32_OFFBIG_CFLAGS "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" | |
| 86 | ||
| 1c25bcac | 87 | #endif /* __WORDSIZE == 32 */ |