//
// Copyright (C) 2017 Intel Corporation.  All rights reserved.
//
// The information and source code contained herein is the exclusive
// property of Intel Corporation and may not be disclosed, examined
// or reproduced in whole or in part without explicit written authorization
// from the company.
//
/*===---- stddef.h - Basic type definitions --------------------------------===
 *
 * Copyright (c) 2008 Eli Friedman
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 *===-----------------------------------------------------------------------===
 */
#if !defined(_PTRDIFF_T)
#define _PTRDIFF_T
typedef __PTRDIFF_TYPE__ ptrdiff_t;
#endif

#if !defined(_SIZE_T)
#define _SIZE_T
#ifdef __GNUC__
#undef _SIZE_T_DEFINED
#define _SIZE_T_DEFINED
#endif // defined
#if defined(__QNX__) && defined(__x86_64__)
typedef unsigned int __attribute__((__mode__(__DI__))) size_t;
#else
typedef __SIZE_TYPE__ size_t;
#endif 
#endif

/* ISO9899:2011 7.20 (C11 Annex K): Define rsize_t if __STDC_WANT_LIB_EXT1__ is
 * enabled. */
#if (defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 && \
     !defined(_RSIZE_T))
#define _RSIZE_T
typedef __SIZE_TYPE__ rsize_t;
#endif

#ifndef __cplusplus
/* Always define wchar_t when modules are available. */
#if !defined(_WCHAR_T)
#define _WCHAR_T
#if defined(_MSC_EXTENSIONS)
#define _WCHAR_T_DEFINED
#endif
typedef __WCHAR_TYPE__ wchar_t;
#endif
#endif

#undef NULL
#ifdef __cplusplus
#  if !defined(__MINGW32__) && !defined(_MSC_VER)
#    define NULL __null
#  else
#    define NULL 0
#  endif
#else
#  define NULL ((void*)0)
#endif

#ifdef __cplusplus
#if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED)
namespace std { typedef decltype(nullptr) nullptr_t; }
using ::std::nullptr_t;
#endif
#endif

#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L || defined(__QNX__)
#if !defined(__CLANG_MAX_ALIGN_T_DEFINED) /* || __has_feature(modules) */
#ifndef _MSC_VER
typedef struct {
  long long __clang_max_align_nonce1
      __attribute__((__aligned__(__alignof__(long long))));
  long double __clang_max_align_nonce2
      __attribute__((__aligned__(__alignof__(long double))));
} max_align_t;
#else
typedef double max_align_t;
#endif /* MSC_VER */
#define __CLANG_MAX_ALIGN_T_DEFINED
#endif /* CLANG_MAX_ALIGN_T_DEFINED */
#endif /* STDC_VERSION */

#undef offsetof
#define offsetof(t, d) __builtin_offsetof(t, d)

/* Some C libraries expect to see a wint_t here. Others (notably MinGW) will use
__WINT_TYPE__ directly; accommodate both by requiring __need_wint_t */
#if defined(__need_wint_t)
/* Always define wint_t when modules are available. */
#if !defined(_WINT_T)
#define _WINT_T
typedef __WINT_TYPE__ wint_t;
#endif
#undef __need_wint_t
#endif /* __need_wint_t */
