| /* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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 constrast 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. */ |
| #ifndef __cplusplus |
| #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) |
| #else |
| /* The cast to "char &" below avoids problems with user-defined |
| "operator &", which can appear in a POD type. */ |
| #define offsetof(TYPE, MEMBER) \ |
| (__offsetof__ (reinterpret_cast <size_t> \ |
| (&reinterpret_cast <const volatile char &> \ |
| (static_cast<TYPE *> (0)->MEMBER)))) |
| #endif /* C++ */ |
| #endif /* _STDDEF_H was defined this time */ |
| |
| #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ |
| || __need_XXX was not defined before */ |