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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2013 Pluribus Networks Inc.
* Copyright 2017 Joyent, Inc.
*/
#ifndef _COMPAT_FREEBSD_SYS_CDEFS_H_
#define _COMPAT_FREEBSD_SYS_CDEFS_H_
/*
* Testing against Clang-specific extensions.
*/
#ifndef __has_extension
#define __has_extension __has_feature
#endif
#ifndef __has_feature
#define __has_feature(x) 0
#endif
/*
* Macro to test if we're using a specific version of gcc or later.
*/
#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
#define __GNUC_PREREQ__(ma, mi) \
(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
#else
#define __GNUC_PREREQ__(ma, mi) 0
#endif
#define __FBSDID(s)
#ifdef __GNUC__
#define asm __asm
#define inline __inline
#define __GNUCLIKE___SECTION 1
#define __dead2 __attribute__((__noreturn__))
#define __used __attribute__((__used__))
#define __packed __attribute__((__packed__))
#define __aligned(x) __attribute__((__aligned__(x)))
#define __section(x) __attribute__((__section__(x)))
#define __weak_symbol __attribute__((__weak__))
#endif
/*
* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
* The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
* mode -- there must be no spaces between its arguments, and for nested
* __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also
* concatenate double-quoted strings produced by the __STRING macro, but
* this only works with ANSI C.
*
* __XSTRING is like __STRING, but it expands any macros in its argument
* first. It is only available with ANSI C.
*/
#if defined(__STDC__) || defined(__cplusplus)
#define __P(protos) protos /* full-blown ANSI C */
#define __CONCAT1(x,y) x ## y
#define __CONCAT(x,y) __CONCAT1(x,y)
#define __STRING(x) #x /* stringify without expanding x */
#define __XSTRING(x) __STRING(x) /* expand x, then stringify */
#else /* !(__STDC__ || __cplusplus) */
#define __P(protos) () /* traditional C preprocessor */
#define __CONCAT(x,y) x/**/y
#define __STRING(x) "x"
#endif /* !(__STDC__ || __cplusplus) */
#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L || defined(lint)
#if !__has_extension(c_static_assert)
#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
__has_extension(cxx_static_assert)
#define _Static_assert(x, y) static_assert(x, y)
#elif __GNUC_PREREQ__(4,6)
/* Nothing, gcc 4.6 and higher has _Static_assert built-in */
#elif defined(__COUNTER__)
#define _Static_assert(x, y) __Static_assert(x, __COUNTER__)
#define __Static_assert(x, y) ___Static_assert(x, y)
#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 : -1] \
__unused
#else
#define _Static_assert(x, y) struct __hack
#endif
#endif
#define static_assert(x, y) _Static_assert(x, y)
#endif /* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */
#endif /* _COMPAT_FREEBSD_SYS_CDEFS_H_ */
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