+++ /dev/null
-/* Copyright (C) 1992-2002, 2004, 2005, 2006, 2007, 2009, 2011, 2012
- 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _SYS_CDEFS_H
-#define _SYS_CDEFS_H 1
-
-/* We are almost always included from features.h. */
-#ifndef _FEATURES_H
-# include <features.h>
-#endif
-
-/* The GNU libc does not support any K&R compilers or the traditional mode
- of ISO C compilers anymore. Check for some of the combinations not
- anymore supported. */
-#if defined __GNUC__ && !defined __STDC__
-# error "You need a ISO C conforming compiler to use the glibc headers"
-#endif
-
-/* Some user header file might have defined this before. */
-#undef __P
-#undef __PMT
-
-#ifdef __GNUC__
-
-/* All functions, except those with callbacks or those that
- synchronize memory, are leaf functions. */
-# if __GNUC_PREREQ (4, 6) && !defined _LIBC
-# define __LEAF , __leaf__
-# define __LEAF_ATTR __attribute__ ((__leaf__))
-# else
-# define __LEAF
-# define __LEAF_ATTR
-# endif
-
-/* GCC can always grok prototypes. For C++ programs we add throw()
- to help it optimize the function calls. But this works only with
- gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions
- as non-throwing using a function attribute since programs can use
- the -fexceptions options for C code as well. */
-# if !defined __cplusplus && __GNUC_PREREQ (3, 3)
-# define __THROW __attribute__ ((__nothrow__ __LEAF))
-# define __THROWNL __attribute__ ((__nothrow__))
-# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
-# else
-# if defined __cplusplus && __GNUC_PREREQ (2,8)
-# define __THROW throw ()
-# define __THROWNL throw ()
-# define __NTH(fct) __LEAF_ATTR fct throw ()
-# else
-# define __THROW
-# define __THROWNL
-# define __NTH(fct) fct
-# endif
-# endif
-
-#else /* Not GCC. */
-
-# define __inline /* No inline functions. */
-
-# define __THROW
-# define __THROWNL
-# define __NTH(fct) fct
-
-#endif /* GCC. */
-
-/* These two macros are not used in glibc anymore. They are kept here
- only because some other projects expect the macros to be defined. */
-#define __P(args) args
-#define __PMT(args) args
-
-/* For these things, GCC behaves the ANSI way normally,
- and the non-ANSI way under -traditional. */
-
-#define __CONCAT(x,y) x ## y
-#define __STRING(x) #x
-
-/* This is not a typedef so `const __ptr_t' does the right thing. */
-#define __ptr_t void *
-#define __long_double_t long double
-
-
-/* C++ needs to know that types and declarations are C, not C++. */
-#ifdef __cplusplus
-# define __BEGIN_DECLS extern "C" {
-# define __END_DECLS }
-#else
-# define __BEGIN_DECLS
-# define __END_DECLS
-#endif
-
-
-/* The standard library needs the functions from the ISO C90 standard
- in the std namespace. At the same time we want to be safe for
- future changes and we include the ISO C99 code in the non-standard
- namespace __c99. The C++ wrapper header take case of adding the
- definitions to the global namespace. */
-#if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES
-# define __BEGIN_NAMESPACE_STD namespace std {
-# define __END_NAMESPACE_STD }
-# define __USING_NAMESPACE_STD(name) using std::name;
-# define __BEGIN_NAMESPACE_C99 namespace __c99 {
-# define __END_NAMESPACE_C99 }
-# define __USING_NAMESPACE_C99(name) using __c99::name;
-#else
-/* For compatibility we do not add the declarations into any
- namespace. They will end up in the global namespace which is what
- old code expects. */
-# define __BEGIN_NAMESPACE_STD
-# define __END_NAMESPACE_STD
-# define __USING_NAMESPACE_STD(name)
-# define __BEGIN_NAMESPACE_C99
-# define __END_NAMESPACE_C99
-# define __USING_NAMESPACE_C99(name)
-#endif
-
-
-/* Support for bounded pointers. */
-#ifndef __BOUNDED_POINTERS__
-# define __bounded /* nothing */
-# define __unbounded /* nothing */
-# define __ptrvalue /* nothing */
-#endif
-
-
-/* Fortify support. */
-#define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
-#define __bos0(ptr) __builtin_object_size (ptr, 0)
-#define __fortify_function __extern_always_inline __attribute_artificial__
-
-#if __GNUC_PREREQ (4,3)
-# define __warndecl(name, msg) \
- extern void name (void) __attribute__((__warning__ (msg)))
-# define __warnattr(msg) __attribute__((__warning__ (msg)))
-# define __errordecl(name, msg) \
- extern void name (void) __attribute__((__error__ (msg)))
-#else
-# define __warndecl(name, msg) extern void name (void)
-# define __warnattr(msg)
-# define __errordecl(name, msg) extern void name (void)
-#endif
-
-/* Support for flexible arrays. */
-#if __GNUC_PREREQ (2,97)
-/* GCC 2.97 supports C99 flexible array members. */
-# define __flexarr []
-#else
-# ifdef __GNUC__
-# define __flexarr [0]
-# else
-# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
-# define __flexarr []
-# else
-/* Some other non-C99 compiler. Approximate with [1]. */
-# define __flexarr [1]
-# endif
-# endif
-#endif
-
-
-/* __asm__ ("xyz") is used throughout the headers to rename functions
- at the assembly language level. This is wrapped by the __REDIRECT
- macro, in order to support compilers that can do this some other
- way. When compilers don't support asm-names at all, we have to do
- preprocessor tricks instead (which don't have exactly the right
- semantics, but it's the best we can do).
-
- Example:
- int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid); */
-
-#if defined __GNUC__ && __GNUC__ >= 2
-
-# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
-# ifdef __cplusplus
-# define __REDIRECT_NTH(name, proto, alias) \
- name proto __THROW __asm__ (__ASMNAME (#alias))
-# define __REDIRECT_NTHNL(name, proto, alias) \
- name proto __THROWNL __asm__ (__ASMNAME (#alias))
-# else
-# define __REDIRECT_NTH(name, proto, alias) \
- name proto __asm__ (__ASMNAME (#alias)) __THROW
-# define __REDIRECT_NTHNL(name, proto, alias) \
- name proto __asm__ (__ASMNAME (#alias)) __THROWNL
-# endif
-# define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
-# define __ASMNAME2(prefix, cname) __STRING (prefix) cname
-
-/*
-#elif __SOME_OTHER_COMPILER__
-
-# define __REDIRECT(name, proto, alias) name proto; \
- _Pragma("let " #name " = " #alias)
-*/
-#endif
-
-/* GCC has various useful declarations that can be made with the
- `__attribute__' syntax. All of the ways we use this do fine if
- they are omitted for compilers that don't understand it. */
-#if !defined __GNUC__ || __GNUC__ < 2
-# define __attribute__(xyz) /* Ignore */
-#endif
-
-/* At some point during the gcc 2.96 development the `malloc' attribute
- for functions was introduced. We don't want to use it unconditionally
- (although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (2,96)
-# define __attribute_malloc__ __attribute__ ((__malloc__))
-#else
-# define __attribute_malloc__ /* Ignore */
-#endif
-
-/* At some point during the gcc 2.96 development the `pure' attribute
- for functions was introduced. We don't want to use it unconditionally
- (although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (2,96)
-# define __attribute_pure__ __attribute__ ((__pure__))
-#else
-# define __attribute_pure__ /* Ignore */
-#endif
-
-/* This declaration tells the compiler that the value is constant. */
-#if __GNUC_PREREQ (2,5)
-# define __attribute_const__ __attribute__ ((__const__))
-#else
-# define __attribute_const__ /* Ignore */
-#endif
-
-/* At some point during the gcc 3.1 development the `used' attribute
- for functions was introduced. We don't want to use it unconditionally
- (although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (3,1)
-# define __attribute_used__ __attribute__ ((__used__))
-# define __attribute_noinline__ __attribute__ ((__noinline__))
-#else
-# define __attribute_used__ __attribute__ ((__unused__))
-# define __attribute_noinline__ /* Ignore */
-#endif
-
-/* gcc allows marking deprecated functions. */
-#if __GNUC_PREREQ (3,2)
-# define __attribute_deprecated__ __attribute__ ((__deprecated__))
-#else
-# define __attribute_deprecated__ /* Ignore */
-#endif
-
-/* At some point during the gcc 2.8 development the `format_arg' attribute
- for functions was introduced. We don't want to use it unconditionally
- (although this would be possible) since it generates warnings.
- If several `format_arg' attributes are given for the same function, in
- gcc-3.0 and older, all but the last one are ignored. In newer gccs,
- all designated arguments are considered. */
-#if __GNUC_PREREQ (2,8)
-# define __attribute_format_arg__(x) __attribute__ ((__format_arg__ (x)))
-#else
-# define __attribute_format_arg__(x) /* Ignore */
-#endif
-
-/* At some point during the gcc 2.97 development the `strfmon' format
- attribute for functions was introduced. We don't want to use it
- unconditionally (although this would be possible) since it
- generates warnings. */
-#if __GNUC_PREREQ (2,97)
-# define __attribute_format_strfmon__(a,b) \
- __attribute__ ((__format__ (__strfmon__, a, b)))
-#else
-# define __attribute_format_strfmon__(a,b) /* Ignore */
-#endif
-
-/* The nonull function attribute allows to mark pointer parameters which
- must not be NULL. */
-#if __GNUC_PREREQ (3,3)
-# define __nonnull(params) __attribute__ ((__nonnull__ params))
-#else
-# define __nonnull(params)
-#endif
-
-/* If fortification mode, we warn about unused results of certain
- function calls which can lead to problems. */
-#if __GNUC_PREREQ (3,4)
-# define __attribute_warn_unused_result__ \
- __attribute__ ((__warn_unused_result__))
-# if __USE_FORTIFY_LEVEL > 0
-# define __wur __attribute_warn_unused_result__
-# endif
-#else
-# define __attribute_warn_unused_result__ /* empty */
-#endif
-#ifndef __wur
-# define __wur /* Ignore */
-#endif
-
-/* Forces a function to be always inlined. */
-#if __GNUC_PREREQ (3,2)
-# define __always_inline __inline __attribute__ ((__always_inline__))
-#else
-# define __always_inline __inline
-#endif
-
-/* Associate error messages with the source location of the call site rather
- than with the source location inside the function. */
-#if __GNUC_PREREQ (4,3)
-# define __attribute_artificial__ __attribute__ ((__artificial__))
-#else
-# define __attribute_artificial__ /* Ignore */
-#endif
-
-/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
- inline semantics, unless -fgnu89-inline is used. */
-#if !defined __cplusplus || __GNUC_PREREQ (4,3)
-# if defined __GNUC_STDC_INLINE__ || defined __cplusplus
-# define __extern_inline extern __inline __attribute__ ((__gnu_inline__))
-# define __extern_always_inline \
- extern __always_inline __attribute__ ((__gnu_inline__))
-# else
-# define __extern_inline extern __inline
-# define __extern_always_inline extern __always_inline
-# endif
-#endif
-
-/* GCC 4.3 and above allow passing all anonymous arguments of an
- __extern_always_inline function to some other vararg function. */
-#if __GNUC_PREREQ (4,3)
-# define __va_arg_pack() __builtin_va_arg_pack ()
-# define __va_arg_pack_len() __builtin_va_arg_pack_len ()
-#endif
-
-/* It is possible to compile containing GCC extensions even if GCC is
- run in pedantic mode if the uses are carefully marked using the
- `__extension__' keyword. But this is not generally available before
- version 2.8. */
-#if !__GNUC_PREREQ (2,8)
-# define __extension__ /* Ignore */
-#endif
-
-/* __restrict is known in EGCS 1.2 and above. */
-#if !__GNUC_PREREQ (2,92)
-# define __restrict /* Ignore */
-#endif
-
-/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
- array_name[restrict]
- GCC 3.1 supports this. */
-#if __GNUC_PREREQ (3,1) && !defined __GNUG__
-# define __restrict_arr __restrict
-#else
-# ifdef __GNUC__
-# define __restrict_arr /* Not supported in old GCC. */
-# else
-# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
-# define __restrict_arr restrict
-# else
-/* Some other non-C99 compiler. */
-# define __restrict_arr /* Not supported. */
-# endif
-# endif
-#endif
-
-#if __GNUC__ >= 3
-# define __glibc_unlikely(cond) __builtin_expect((cond), 0)
-#else
-# define __glibc_unlikely(cond) (cond)
-#endif
-
-#endif /* sys/cdefs.h */
projects / openwrt / staging / chunkeey.git / blobdiff