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Mini Shell
Mini Shell
/*
* Copyright 2013 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef BSON_MACROS_H
#define BSON_MACROS_H
#if !defined (BSON_INSIDE) && !defined (BSON_COMPILATION)
# error "Only <bson.h> can be included directly."
#endif
#include <assert.h>
#include <stdio.h>
#ifdef __cplusplus
# include <algorithm>
#endif
#include "bson-config.h"
#if BSON_OS == 1
# define BSON_OS_UNIX
#elif BSON_OS == 2
# define BSON_OS_WIN32
#else
# error "Unknown operating system."
#endif
#ifdef __cplusplus
# define BSON_BEGIN_DECLS extern "C" {
# define BSON_END_DECLS }
#else
# define BSON_BEGIN_DECLS
# define BSON_END_DECLS
#endif
#define BSON_GNUC_CHECK_VERSION(major, minor) \
(defined(__GNUC__) && \
((__GNUC__ > (major)) || \
((__GNUC__ == (major)) && \
(__GNUC_MINOR__ >= (minor)))))
#define BSON_GNUC_IS_VERSION(major, minor) \
(defined(__GNUC__) && \
(__GNUC__ == (major)) && \
(__GNUC_MINOR__ == (minor)))
#ifdef _MSC_VER
# ifdef BSON_COMPILATION
# define BSON_API __declspec(dllexport)
# else
# define BSON_API __declspec(dllimport)
# endif
#else
# define BSON_API
#endif
#ifdef MIN
# define BSON_MIN MIN
#elif defined(__cplusplus)
# define BSON_MIN(a, b) ( (std::min)(a, b) )
#elif defined(_MSC_VER)
# define BSON_MIN(a, b) ((a) < (b) ? (a) : (b))
#else
# define BSON_MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifdef MAX
# define BSON_MAX MAX
#elif defined(__cplusplus)
# define BSON_MAX(a, b) ( (std::max)(a, b) )
#elif defined(_MSC_VER)
# define BSON_MAX(a, b) ((a) > (b) ? (a) : (b))
#else
# define BSON_MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
#ifdef ABS
# define BSON_ABS ABS
#else
# define BSON_ABS(a) (((a) < 0) ? ((a) * -1) : (a))
#endif
#ifdef _MSC_VER
# ifdef _WIN64
# define BSON_ALIGN_OF_PTR 8
# else
# define BSON_ALIGN_OF_PTR 4
# endif
#else
# define BSON_ALIGN_OF_PTR (sizeof(void *))
#endif
#ifdef BSON_EXTRA_ALIGN
# if defined(_MSC_VER)
# define BSON_ALIGNED_BEGIN(_N) __declspec (align (_N))
# define BSON_ALIGNED_END(_N)
# else
# define BSON_ALIGNED_BEGIN(_N)
# define BSON_ALIGNED_END(_N) __attribute__((aligned (_N)))
# endif
#else
# if defined(_MSC_VER)
# define BSON_ALIGNED_BEGIN(_N) __declspec (align ((_N) > BSON_ALIGN_OF_PTR ? BSON_ALIGN_OF_PTR : (_N) ))
# define BSON_ALIGNED_END(_N)
# else
# define BSON_ALIGNED_BEGIN(_N)
# define BSON_ALIGNED_END(_N) __attribute__((aligned ((_N) > BSON_ALIGN_OF_PTR ? BSON_ALIGN_OF_PTR : (_N) )))
# endif
#endif
#define bson_str_empty(s) (!s[0])
#define bson_str_empty0(s) (!s || !s[0])
#if defined(_WIN32)
# define BSON_FUNC __FUNCTION__
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L
# define BSON_FUNC __FUNCTION__
#else
# define BSON_FUNC __func__
#endif
#define BSON_ASSERT(test) \
do { \
if (!(BSON_LIKELY(test))) { \
fprintf (stderr, "%s:%d %s(): precondition failed: %s\n", \
__FILE__, __LINE__, BSON_FUNC, #test); \
abort (); \
} \
} while (0)
#define BSON_STATIC_ASSERT(s) BSON_STATIC_ASSERT_ (s, __LINE__)
#define BSON_STATIC_ASSERT_JOIN(a, b) BSON_STATIC_ASSERT_JOIN2 (a, b)
#define BSON_STATIC_ASSERT_JOIN2(a, b) a##b
#define BSON_STATIC_ASSERT_(s, l) \
typedef char BSON_STATIC_ASSERT_JOIN (static_assert_test_, \
__LINE__)[(s) ? 1 : -1]
#if defined(__GNUC__)
# define BSON_GNUC_CONST __attribute__((const))
# define BSON_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
# define BSON_GNUC_CONST
# define BSON_GNUC_WARN_UNUSED_RESULT
#endif
#if BSON_GNUC_CHECK_VERSION(4, 0) && !defined(_WIN32)
# define BSON_GNUC_NULL_TERMINATED __attribute__((sentinel))
# define BSON_GNUC_INTERNAL __attribute__((visibility ("hidden")))
#else
# define BSON_GNUC_NULL_TERMINATED
# define BSON_GNUC_INTERNAL
#endif
#if defined(__GNUC__)
# define BSON_LIKELY(x) __builtin_expect (!!(x), 1)
# define BSON_UNLIKELY(x) __builtin_expect (!!(x), 0)
#else
# define BSON_LIKELY(v) v
# define BSON_UNLIKELY(v) v
#endif
#if defined(__clang__)
# define BSON_GNUC_PRINTF(f, v) __attribute__((format (printf, f, v)))
#elif BSON_GNUC_CHECK_VERSION(4, 4)
# define BSON_GNUC_PRINTF(f, v) __attribute__((format (gnu_printf, f, v)))
#else
# define BSON_GNUC_PRINTF(f, v)
#endif
#if defined(__LP64__) || defined(_LP64)
# define BSON_WORD_SIZE 64
#else
# define BSON_WORD_SIZE 32
#endif
#if defined(_MSC_VER)
# define BSON_INLINE __inline
#else
# define BSON_INLINE __inline__
#endif
#ifdef _MSC_VER
# define BSON_ENSURE_ARRAY_PARAM_SIZE(_n)
# define BSON_TYPEOF decltype
#else
# define BSON_ENSURE_ARRAY_PARAM_SIZE(_n) static (_n)
# define BSON_TYPEOF typeof
#endif
#if BSON_GNUC_CHECK_VERSION(3, 1)
# define BSON_GNUC_DEPRECATED __attribute__((__deprecated__))
#else
# define BSON_GNUC_DEPRECATED
#endif
#if BSON_GNUC_CHECK_VERSION(4, 5)
# define BSON_GNUC_DEPRECATED_FOR(f) __attribute__((deprecated("Use " #f " instead")))
#else
# define BSON_GNUC_DEPRECATED_FOR(f) BSON_GNUC_DEPRECATED
#endif
#endif /* BSON_MACROS_H */
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