Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/sysdeps/generic/bits/environments.h
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
59 lines (43 sloc)
2.18 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* 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 */ |