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Diffstat (limited to 'include/ansidecl.h')
| -rw-r--r-- | include/ansidecl.h | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h deleted file mode 100644 index 0fb23bba7..000000000 --- a/include/ansidecl.h +++ /dev/null @@ -1,313 +0,0 @@ -/* ANSI and traditional C compatability macros - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, - 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2013 - Free Software Foundation, Inc. - This file is part of the GNU C Library. - -This program 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 of the License, or -(at your option) any later version. - -This program 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 this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* ANSI and traditional C compatibility macros - - ANSI C is assumed if __STDC__ is #defined. - - Macro ANSI C definition Traditional C definition - ----- ---- - ---------- ----------- - ---------- - PTR `void *' `char *' - const not defined `' - volatile not defined `' - signed not defined `' - - For ease of writing code which uses GCC extensions but needs to be - portable to other compilers, we provide the GCC_VERSION macro that - simplifies testing __GNUC__ and __GNUC_MINOR__ together, and various - wrappers around __attribute__. Also, __extension__ will be #defined - to nothing if it doesn't work. See below. */ - -#ifndef _ANSIDECL_H -#define _ANSIDECL_H 1 - -#ifdef __cplusplus -extern "C" { -#endif - -/* Every source file includes this file, - so they will all get the switch for lint. */ -/* LINTLIBRARY */ - -/* Using MACRO(x,y) in cpp #if conditionals does not work with some - older preprocessors. Thus we can't define something like this: - -#define HAVE_GCC_VERSION(MAJOR, MINOR) \ - (__GNUC__ > (MAJOR) || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ >= (MINOR))) - -and then test "#if HAVE_GCC_VERSION(2,7)". - -So instead we use the macro below and test it against specific values. */ - -/* This macro simplifies testing whether we are using gcc, and if it - is of a particular minimum version. (Both major & minor numbers are - significant.) This macro will evaluate to 0 if we are not using - gcc at all. */ -#ifndef GCC_VERSION -#define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) -#endif /* GCC_VERSION */ - -#if defined (__STDC__) || defined(__cplusplus) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(_WIN32) -/* All known AIX compilers implement these things (but don't always - define __STDC__). The RISC/OS MIPS compiler defines these things - in SVR4 mode, but does not define __STDC__. */ -/* eraxxon@alumni.rice.edu: The Compaq C++ compiler, unlike many other - C++ compilers, does not define __STDC__, though it acts as if this - was so. (Verified versions: 5.7, 6.2, 6.3, 6.5) */ - -#define PTR void * - -#undef const -#undef volatile -#undef signed - -/* inline requires special treatment; it's in C99, and GCC >=2.7 supports - it too, but it's not in C89. */ -#undef inline -#if __STDC_VERSION__ >= 199901L || defined(__cplusplus) || (defined(__SUNPRO_C) && defined(__C99FEATURES__)) -/* it's a keyword */ -#else -# if GCC_VERSION >= 2007 -# define inline __inline__ /* __inline__ prevents -pedantic warnings */ -# else -# define inline /* nothing */ -# endif -#endif - -#else /* Not ANSI C. */ - -#define PTR char * - -/* some systems define these in header files for non-ansi mode */ -#undef const -#undef volatile -#undef signed -#undef inline -#define const -#define volatile -#define signed -#define inline - -#endif /* ANSI C. */ - -/* Define macros for some gcc attributes. This permits us to use the - macros freely, and know that they will come into play for the - version of gcc in which they are supported. */ - -#if (GCC_VERSION < 2007) -# define __attribute__(x) -#endif - -/* Attribute __malloc__ on functions was valid as of gcc 2.96. */ -#ifndef ATTRIBUTE_MALLOC -# if (GCC_VERSION >= 2096) -# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) -# else -# define ATTRIBUTE_MALLOC -# endif /* GNUC >= 2.96 */ -#endif /* ATTRIBUTE_MALLOC */ - -/* Attributes on labels were valid as of gcc 2.93 and g++ 4.5. For - g++ an attribute on a label must be followed by a semicolon. */ -#ifndef ATTRIBUTE_UNUSED_LABEL -# ifndef __cplusplus -# if GCC_VERSION >= 2093 -# define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED -# else -# define ATTRIBUTE_UNUSED_LABEL -# endif -# else -# if GCC_VERSION >= 4005 -# define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED ; -# else -# define ATTRIBUTE_UNUSED_LABEL -# endif -# endif -#endif - -/* Similarly to ARG_UNUSED below. Prior to GCC 3.4, the C++ frontend - couldn't parse attributes placed after the identifier name, and now - the entire compiler is built with C++. */ -#ifndef ATTRIBUTE_UNUSED -#if GCC_VERSION >= 3004 -# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#else -#define ATTRIBUTE_UNUSED -#endif -#endif /* ATTRIBUTE_UNUSED */ - -/* Before GCC 3.4, the C++ frontend couldn't parse attributes placed after the - identifier name. */ -#if ! defined(__cplusplus) || (GCC_VERSION >= 3004) -# define ARG_UNUSED(NAME) NAME ATTRIBUTE_UNUSED -#else /* !__cplusplus || GNUC >= 3.4 */ -# define ARG_UNUSED(NAME) NAME -#endif /* !__cplusplus || GNUC >= 3.4 */ - -#ifndef ATTRIBUTE_NORETURN -#define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) -#endif /* ATTRIBUTE_NORETURN */ - -/* Attribute `nonnull' was valid as of gcc 3.3. */ -#ifndef ATTRIBUTE_NONNULL -# if (GCC_VERSION >= 3003) -# define ATTRIBUTE_NONNULL(m) __attribute__ ((__nonnull__ (m))) -# else -# define ATTRIBUTE_NONNULL(m) -# endif /* GNUC >= 3.3 */ -#endif /* ATTRIBUTE_NONNULL */ - -/* Attribute `returns_nonnull' was valid as of gcc 4.9. */ -#ifndef ATTRIBUTE_RETURNS_NONNULL -# if (GCC_VERSION >= 4009) -# define ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) -# else -# define ATTRIBUTE_RETURNS_NONNULL -# endif /* GNUC >= 4.9 */ -#endif /* ATTRIBUTE_RETURNS_NONNULL */ - -/* Attribute `pure' was valid as of gcc 3.0. */ -#ifndef ATTRIBUTE_PURE -# if (GCC_VERSION >= 3000) -# define ATTRIBUTE_PURE __attribute__ ((__pure__)) -# else -# define ATTRIBUTE_PURE -# endif /* GNUC >= 3.0 */ -#endif /* ATTRIBUTE_PURE */ - -/* Use ATTRIBUTE_PRINTF when the format specifier must not be NULL. - This was the case for the `printf' format attribute by itself - before GCC 3.3, but as of 3.3 we need to add the `nonnull' - attribute to retain this behavior. */ -#ifndef ATTRIBUTE_PRINTF -#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) ATTRIBUTE_NONNULL(m) -#define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2) -#define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3) -#define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4) -#define ATTRIBUTE_PRINTF_4 ATTRIBUTE_PRINTF(4, 5) -#define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6) -#endif /* ATTRIBUTE_PRINTF */ - -/* Use ATTRIBUTE_FPTR_PRINTF when the format attribute is to be set on - a function pointer. Format attributes were allowed on function - pointers as of gcc 3.1. */ -#ifndef ATTRIBUTE_FPTR_PRINTF -# if (GCC_VERSION >= 3001) -# define ATTRIBUTE_FPTR_PRINTF(m, n) ATTRIBUTE_PRINTF(m, n) -# else -# define ATTRIBUTE_FPTR_PRINTF(m, n) -# endif /* GNUC >= 3.1 */ -# define ATTRIBUTE_FPTR_PRINTF_1 ATTRIBUTE_FPTR_PRINTF(1, 2) -# define ATTRIBUTE_FPTR_PRINTF_2 ATTRIBUTE_FPTR_PRINTF(2, 3) -# define ATTRIBUTE_FPTR_PRINTF_3 ATTRIBUTE_FPTR_PRINTF(3, 4) -# define ATTRIBUTE_FPTR_PRINTF_4 ATTRIBUTE_FPTR_PRINTF(4, 5) -# define ATTRIBUTE_FPTR_PRINTF_5 ATTRIBUTE_FPTR_PRINTF(5, 6) -#endif /* ATTRIBUTE_FPTR_PRINTF */ - -/* Use ATTRIBUTE_NULL_PRINTF when the format specifier may be NULL. A - NULL format specifier was allowed as of gcc 3.3. */ -#ifndef ATTRIBUTE_NULL_PRINTF -# if (GCC_VERSION >= 3003) -# define ATTRIBUTE_NULL_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) -# else -# define ATTRIBUTE_NULL_PRINTF(m, n) -# endif /* GNUC >= 3.3 */ -# define ATTRIBUTE_NULL_PRINTF_1 ATTRIBUTE_NULL_PRINTF(1, 2) -# define ATTRIBUTE_NULL_PRINTF_2 ATTRIBUTE_NULL_PRINTF(2, 3) -# define ATTRIBUTE_NULL_PRINTF_3 ATTRIBUTE_NULL_PRINTF(3, 4) -# define ATTRIBUTE_NULL_PRINTF_4 ATTRIBUTE_NULL_PRINTF(4, 5) -# define ATTRIBUTE_NULL_PRINTF_5 ATTRIBUTE_NULL_PRINTF(5, 6) -#endif /* ATTRIBUTE_NULL_PRINTF */ - -/* Attribute `sentinel' was valid as of gcc 3.5. */ -#ifndef ATTRIBUTE_SENTINEL -# if (GCC_VERSION >= 3005) -# define ATTRIBUTE_SENTINEL __attribute__ ((__sentinel__)) -# else -# define ATTRIBUTE_SENTINEL -# endif /* GNUC >= 3.5 */ -#endif /* ATTRIBUTE_SENTINEL */ - - -#ifndef ATTRIBUTE_ALIGNED_ALIGNOF -# if (GCC_VERSION >= 3000) -# define ATTRIBUTE_ALIGNED_ALIGNOF(m) __attribute__ ((__aligned__ (__alignof__ (m)))) -# else -# define ATTRIBUTE_ALIGNED_ALIGNOF(m) -# endif /* GNUC >= 3.0 */ -#endif /* ATTRIBUTE_ALIGNED_ALIGNOF */ - -/* Useful for structures whose layout must much some binary specification - regardless of the alignment and padding qualities of the compiler. */ -#ifndef ATTRIBUTE_PACKED -# define ATTRIBUTE_PACKED __attribute__ ((packed)) -#endif - -/* Attribute `hot' and `cold' was valid as of gcc 4.3. */ -#ifndef ATTRIBUTE_COLD -# if (GCC_VERSION >= 4003) -# define ATTRIBUTE_COLD __attribute__ ((__cold__)) -# else -# define ATTRIBUTE_COLD -# endif /* GNUC >= 4.3 */ -#endif /* ATTRIBUTE_COLD */ -#ifndef ATTRIBUTE_HOT -# if (GCC_VERSION >= 4003) -# define ATTRIBUTE_HOT __attribute__ ((__hot__)) -# else -# define ATTRIBUTE_HOT -# endif /* GNUC >= 4.3 */ -#endif /* ATTRIBUTE_HOT */ - -/* We use __extension__ in some places to suppress -pedantic warnings - about GCC extensions. This feature didn't work properly before - gcc 2.8. */ -#if GCC_VERSION < 2008 -#define __extension__ -#endif - -/* This is used to declare a const variable which should be visible - outside of the current compilation unit. Use it as - EXPORTED_CONST int i = 1; - This is because the semantics of const are different in C and C++. - "extern const" is permitted in C but it looks strange, and gcc - warns about it when -Wc++-compat is not used. */ -#ifdef __cplusplus -#define EXPORTED_CONST extern const -#else -#define EXPORTED_CONST const -#endif - -/* Be conservative and only use enum bitfields with C++ or GCC. - FIXME: provide a complete autoconf test for buggy enum bitfields. */ - -#ifdef __cplusplus -#define ENUM_BITFIELD(TYPE) enum TYPE -#elif (GCC_VERSION > 2000) -#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE -#else -#define ENUM_BITFIELD(TYPE) unsigned int -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* ansidecl.h */ |