diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/ginclude/stddef.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/ginclude/stddef.h | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/ginclude/stddef.h b/gcc-4.2.1-5666.3/gcc/ginclude/stddef.h new file mode 100644 index 000000000..7e6179595 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/ginclude/stddef.h @@ -0,0 +1,419 @@ +/* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GCC 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +/* As a special exception, if you include this header file into source + files compiled by GCC, this header file does not by itself cause + the resulting executable to be covered by the GNU General Public + License. This exception does not however invalidate any other + reasons why the executable file might be covered by the GNU General + Public License. */ + +/* + * ISO C Standard: 7.17 Common definitions <stddef.h> + */ +#if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \ + && !defined(__STDDEF_H__)) \ + || defined(__need_wchar_t) || defined(__need_size_t) \ + || defined(__need_ptrdiff_t) || defined(__need_NULL) \ + || defined(__need_wint_t) + +/* Any one of these symbols __need_* means that GNU libc + wants us just to define one data type. So don't define + the symbols that indicate this file's entire job has been done. */ +#if (!defined(__need_wchar_t) && !defined(__need_size_t) \ + && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \ + && !defined(__need_wint_t)) +#define _STDDEF_H +#define _STDDEF_H_ +/* snaroff@next.com says the NeXT needs this. */ +#define _ANSI_STDDEF_H +/* Irix 5.1 needs this. */ +#define __STDDEF_H__ +#endif + +#ifndef __sys_stdtypes_h +/* This avoids lossage on SunOS but only if stdtypes.h comes first. + There's no way to win with the other order! Sun lossage. */ + +/* On 4.3bsd-net2, make sure ansi.h is included, so we have + one less case to deal with in the following. */ +#if defined (__BSD_NET2__) || defined (____386BSD____) || (defined (__FreeBSD__) && (__FreeBSD__ < 5)) || defined(__NetBSD__) +#include <machine/ansi.h> +#endif +/* On FreeBSD 5, machine/ansi.h does not exist anymore... */ +#if defined (__FreeBSD__) && (__FreeBSD__ >= 5) +#include <sys/_types.h> +#endif + +/* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are + defined if the corresponding type is *not* defined. + FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */ +#if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) +#if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_) +#define _SIZE_T +#endif +#if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_) +#define _PTRDIFF_T +#endif +/* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ + instead of _WCHAR_T_. */ +#if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_) +#ifndef _BSD_WCHAR_T_ +#define _WCHAR_T +#endif +#endif +/* Undef _FOO_T_ if we are supposed to define foo_t. */ +#if defined (__need_ptrdiff_t) || defined (_STDDEF_H_) +#undef _PTRDIFF_T_ +#undef _BSD_PTRDIFF_T_ +#endif +#if defined (__need_size_t) || defined (_STDDEF_H_) +#undef _SIZE_T_ +#undef _BSD_SIZE_T_ +#endif +#if defined (__need_wchar_t) || defined (_STDDEF_H_) +#undef _WCHAR_T_ +#undef _BSD_WCHAR_T_ +#endif +#endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */ + +/* Sequent's header files use _PTRDIFF_T_ in some conflicting way. + Just ignore it. */ +#if defined (__sequent__) && defined (_PTRDIFF_T_) +#undef _PTRDIFF_T_ +#endif + +/* On VxWorks, <type/vxTypesBase.h> may have defined macros like + _TYPE_size_t which will typedef size_t. fixincludes patched the + vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is + not defined, and so that defining this macro defines _GCC_SIZE_T. + If we find that the macros are still defined at this point, we must + invoke them so that the type is defined as expected. */ +#if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_)) +_TYPE_ptrdiff_t; +#undef _TYPE_ptrdiff_t +#endif +#if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_)) +_TYPE_size_t; +#undef _TYPE_size_t +#endif +#if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_)) +_TYPE_wchar_t; +#undef _TYPE_wchar_t +#endif + +/* In case nobody has defined these types, but we aren't running under + GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and + __WCHAR_TYPE__ have reasonable values. This can happen if the + parts of GCC is compiled by an older compiler, that actually + include gstddef.h, such as collect2. */ + +/* Signed type of difference of two pointers. */ + +/* Define this type if we are doing the whole job, + or if we want this type in particular. */ +#if defined (_STDDEF_H) || defined (__need_ptrdiff_t) +#ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */ +#ifndef _T_PTRDIFF_ +#ifndef _T_PTRDIFF +#ifndef __PTRDIFF_T +#ifndef _PTRDIFF_T_ +#ifndef _BSD_PTRDIFF_T_ +#ifndef ___int_ptrdiff_t_h +#ifndef _GCC_PTRDIFF_T +#define _PTRDIFF_T +#define _T_PTRDIFF_ +#define _T_PTRDIFF +#define __PTRDIFF_T +#define _PTRDIFF_T_ +#define _BSD_PTRDIFF_T_ +#define ___int_ptrdiff_t_h +#define _GCC_PTRDIFF_T +#ifndef __PTRDIFF_TYPE__ +#define __PTRDIFF_TYPE__ long int +#endif +typedef __PTRDIFF_TYPE__ ptrdiff_t; +#endif /* _GCC_PTRDIFF_T */ +#endif /* ___int_ptrdiff_t_h */ +#endif /* _BSD_PTRDIFF_T_ */ +#endif /* _PTRDIFF_T_ */ +#endif /* __PTRDIFF_T */ +#endif /* _T_PTRDIFF */ +#endif /* _T_PTRDIFF_ */ +#endif /* _PTRDIFF_T */ + +/* If this symbol has done its job, get rid of it. */ +#undef __need_ptrdiff_t + +#endif /* _STDDEF_H or __need_ptrdiff_t. */ + +/* Unsigned type of `sizeof' something. */ + +/* Define this type if we are doing the whole job, + or if we want this type in particular. */ +#if defined (_STDDEF_H) || defined (__need_size_t) +#ifndef __size_t__ /* BeOS */ +#ifndef __SIZE_T__ /* Cray Unicos/Mk */ +#ifndef _SIZE_T /* in case <sys/types.h> has defined it. */ +#ifndef _SYS_SIZE_T_H +#ifndef _T_SIZE_ +#ifndef _T_SIZE +#ifndef __SIZE_T +#ifndef _SIZE_T_ +#ifndef _BSD_SIZE_T_ +#ifndef _SIZE_T_DEFINED_ +#ifndef _SIZE_T_DEFINED +#ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */ +#ifndef _SIZE_T_DECLARED /* FreeBSD 5 */ +#ifndef ___int_size_t_h +#ifndef _GCC_SIZE_T +#ifndef _SIZET_ +#ifndef __size_t +#define __size_t__ /* BeOS */ +#define __SIZE_T__ /* Cray Unicos/Mk */ +#define _SIZE_T +#define _SYS_SIZE_T_H +#define _T_SIZE_ +#define _T_SIZE +#define __SIZE_T +#define _SIZE_T_ +#define _BSD_SIZE_T_ +#define _SIZE_T_DEFINED_ +#define _SIZE_T_DEFINED +#define _BSD_SIZE_T_DEFINED_ /* Darwin */ +#define _SIZE_T_DECLARED /* FreeBSD 5 */ +#define ___int_size_t_h +#define _GCC_SIZE_T +#define _SIZET_ +#if defined (__FreeBSD__) && (__FreeBSD__ >= 5) +/* __size_t is a typedef on FreeBSD 5!, must not trash it. */ +#else +#define __size_t +#endif +#ifndef __SIZE_TYPE__ +#define __SIZE_TYPE__ long unsigned int +#endif +#if !(defined (__GNUG__) && defined (size_t)) +typedef __SIZE_TYPE__ size_t; +#ifdef __BEOS__ +typedef long ssize_t; +#endif /* __BEOS__ */ +#endif /* !(defined (__GNUG__) && defined (size_t)) */ +#endif /* __size_t */ +#endif /* _SIZET_ */ +#endif /* _GCC_SIZE_T */ +#endif /* ___int_size_t_h */ +#endif /* _SIZE_T_DECLARED */ +#endif /* _BSD_SIZE_T_DEFINED_ */ +#endif /* _SIZE_T_DEFINED */ +#endif /* _SIZE_T_DEFINED_ */ +#endif /* _BSD_SIZE_T_ */ +#endif /* _SIZE_T_ */ +#endif /* __SIZE_T */ +#endif /* _T_SIZE */ +#endif /* _T_SIZE_ */ +#endif /* _SYS_SIZE_T_H */ +#endif /* _SIZE_T */ +#endif /* __SIZE_T__ */ +#endif /* __size_t__ */ +#undef __need_size_t +#endif /* _STDDEF_H or __need_size_t. */ + + +/* Wide character type. + Locale-writers should change this as necessary to + be big enough to hold unique values not between 0 and 127, + and not (wchar_t) -1, for each defined multibyte character. */ + +/* Define this type if we are doing the whole job, + or if we want this type in particular. */ +#if defined (_STDDEF_H) || defined (__need_wchar_t) +#ifndef __wchar_t__ /* BeOS */ +#ifndef __WCHAR_T__ /* Cray Unicos/Mk */ +#ifndef _WCHAR_T +#ifndef _T_WCHAR_ +#ifndef _T_WCHAR +#ifndef __WCHAR_T +#ifndef _WCHAR_T_ +#ifndef _BSD_WCHAR_T_ +#ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */ +#ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */ +#ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */ +#ifndef _WCHAR_T_DEFINED_ +#ifndef _WCHAR_T_DEFINED +#ifndef _WCHAR_T_H +#ifndef ___int_wchar_t_h +#ifndef __INT_WCHAR_T_H +#ifndef _GCC_WCHAR_T +#define __wchar_t__ /* BeOS */ +#define __WCHAR_T__ /* Cray Unicos/Mk */ +#define _WCHAR_T +#define _T_WCHAR_ +#define _T_WCHAR +#define __WCHAR_T +#define _WCHAR_T_ +#define _BSD_WCHAR_T_ +#define _WCHAR_T_DEFINED_ +#define _WCHAR_T_DEFINED +#define _WCHAR_T_H +#define ___int_wchar_t_h +#define __INT_WCHAR_T_H +#define _GCC_WCHAR_T +#define _WCHAR_T_DECLARED + +/* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ + instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other + symbols in the _FOO_T_ family, stays defined even after its + corresponding type is defined). If we define wchar_t, then we + must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if + we undef _WCHAR_T_, then we must also define rune_t, since + headers like runetype.h assume that if machine/ansi.h is included, + and _BSD_WCHAR_T_ is not defined, then rune_t is available. + machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of + the same type." */ +#ifdef _BSD_WCHAR_T_ +#undef _BSD_WCHAR_T_ +#ifdef _BSD_RUNE_T_ +#if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) +typedef _BSD_RUNE_T_ rune_t; +#define _BSD_WCHAR_T_DEFINED_ +#define _BSD_RUNE_T_DEFINED_ /* Darwin */ +#if defined (__FreeBSD__) && (__FreeBSD__ < 5) +/* Why is this file so hard to maintain properly? In contrast to + the comment above regarding BSD/386 1.1, on FreeBSD for as long + as the symbol has existed, _BSD_RUNE_T_ must not stay defined or + redundant typedefs will occur when stdlib.h is included after this file. */ +#undef _BSD_RUNE_T_ +#endif +#endif +#endif +#endif +/* FreeBSD 5 can't be handled well using "traditional" logic above + since it no longer defines _BSD_RUNE_T_ yet still desires to export + rune_t in some cases... */ +#if defined (__FreeBSD__) && (__FreeBSD__ >= 5) +#if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) +#if __BSD_VISIBLE +#ifndef _RUNE_T_DECLARED +typedef __rune_t rune_t; +#define _RUNE_T_DECLARED +#endif +#endif +#endif +#endif + +#ifndef __WCHAR_TYPE__ +#define __WCHAR_TYPE__ int +#endif +#ifndef __cplusplus +typedef __WCHAR_TYPE__ wchar_t; +#endif +#endif +#endif +#endif +#endif +#endif +#endif +#endif /* _WCHAR_T_DECLARED */ +#endif /* _BSD_RUNE_T_DEFINED_ */ +#endif +#endif +#endif +#endif +#endif +#endif +#endif +#endif /* __WCHAR_T__ */ +#endif /* __wchar_t__ */ +#undef __need_wchar_t +#endif /* _STDDEF_H or __need_wchar_t. */ + +#if defined (__need_wint_t) +#ifndef _WINT_T +#define _WINT_T + +#ifndef __WINT_TYPE__ +#define __WINT_TYPE__ unsigned int +#endif +typedef __WINT_TYPE__ wint_t; +#endif +#undef __need_wint_t +#endif + +/* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc. + are already defined. */ +/* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */ +#if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) +/* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_ + are probably typos and should be removed before 2.8 is released. */ +#ifdef _GCC_PTRDIFF_T_ +#undef _PTRDIFF_T_ +#undef _BSD_PTRDIFF_T_ +#endif +#ifdef _GCC_SIZE_T_ +#undef _SIZE_T_ +#undef _BSD_SIZE_T_ +#endif +#ifdef _GCC_WCHAR_T_ +#undef _WCHAR_T_ +#undef _BSD_WCHAR_T_ +#endif +/* The following ones are the real ones. */ +#ifdef _GCC_PTRDIFF_T +#undef _PTRDIFF_T_ +#undef _BSD_PTRDIFF_T_ +#endif +#ifdef _GCC_SIZE_T +#undef _SIZE_T_ +#undef _BSD_SIZE_T_ +#endif +#ifdef _GCC_WCHAR_T +#undef _WCHAR_T_ +#undef _BSD_WCHAR_T_ +#endif +#endif /* _ANSI_H_ || _MACHINE_ANSI_H_ */ + +#endif /* __sys_stdtypes_h */ + +/* A null pointer constant. */ + +#if defined (_STDDEF_H) || defined (__need_NULL) +#undef NULL /* in case <stdio.h> has defined it. */ +#ifdef __GNUG__ +#define NULL __null +#else /* G++ */ +#ifndef __cplusplus +#define NULL ((void *)0) +#else /* C++ */ +#define NULL 0 +#endif /* C++ */ +#endif /* G++ */ +#endif /* NULL not defined and <stddef.h> or need NULL. */ +#undef __need_NULL + +#ifdef _STDDEF_H + +/* Offset of member MEMBER in a struct of type TYPE. */ +#define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) + +#endif /* _STDDEF_H was defined this time */ + +#endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ + || __need_XXX was not defined before */ |