defs.h

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#pragma once
#ifndef ICEDB_H_DEFS
#define ICEDB_H_DEFS
#define __STDC_WANT_LIB_EXT1__ 1
#include <stddef.h>

#if defined(__cplusplus) || defined(c_plusplus)
# define ICEDB_BEGIN_DECL
# define ICEDB_END_DECL
#else
# define ICEDB_BEGIN_DECL
# define ICEDB_END_DECL
#endif

#if defined(__cplusplus) || defined(c_plusplus)
# define ICEDB_BEGIN_DECL_C     extern "C" {
# define ICEDB_END_DECL_C       }
# define ICEDB_CALL_C extern "C"
#else
# define ICEDB_BEGIN_DECL_C
# define ICEDB_END_DECL_C
# define ICEDB_CALL_C
#endif

#if defined(__cplusplus) || defined(c_plusplus)
# define ICEDB_BEGIN_DECL_CPP     
# define ICEDB_END_DECL_CPP
# define ICEDB_CALL_CPP
#else
# define ICEDB_BEGIN_DECL_CPP extern "CPP" {
# define ICEDB_END_DECL_CPP }
# define ICEDB_CALL_CPP extern "CPP"
#endif

// gcc 4.4 will not work. No decltype!
// constexpr fix for gcc 4.4
//#if defined(__cplusplus)
//#if __cplusplus < 201103L
//#define constexpr const
//#define noexcept
//#endif
//#endif

ICEDB_BEGIN_DECL_C

/* Compiler and version diagnostics */

/* Detection of the operating system and compiler version. Used to declare symbol export / import. */

/* Declare the feature sets that are supported */
//#define ICEDB_FEATURE_GZIP 0 /* Auto-detection of gzip. Needed for hdf5 file storage. */


/* Symbol export / import macros */
#if defined _MSC_FULL_VER
#define COMPILER_EXPORTS_VERSION_A_ICEDB
#elif defined __INTEL_COMPILER
#define COMPILER_EXPORTS_VERSION_B_ICEDB
#elif defined __GNUC__
#define COMPILER_EXPORTS_VERSION_B_ICEDB
#elif defined __MINGW32__
#define COMPILER_EXPORTS_VERSION_B_ICEDB
#elif defined __clang__
#define COMPILER_EXPORTS_VERSION_B_ICEDB
#else
#define COMPILER_EXPORTS_VERSION_UNKNOWN
#endif

// Defaults for static libraries
#define SHARED_EXPORT_ICEDB
#define SHARED_IMPORT_ICEDB
#define HIDDEN_ICEDB
#define PRIVATE_ICEDB

#if defined COMPILER_EXPORTS_VERSION_A_ICEDB
#undef SHARED_EXPORT_ICEDB
#undef SHARED_IMPORT_ICEDB
#define SHARED_EXPORT_ICEDB __declspec(dllexport)
#define SHARED_IMPORT_ICEDB __declspec(dllimport)
#elif defined COMPILER_EXPORTS_VERSION_B_ICEDB
#undef SHARED_EXPORT_ICEDB
#undef SHARED_IMPORT_ICEDB
#undef HIDDEN_ICEDB
#undef PRIVATE_ICEDB
#define SHARED_EXPORT_ICEDB __attribute__ ((visibility("default")))
#define SHARED_IMPORT_ICEDB __attribute__ ((visibility("default")))
#define HIDDEN_ICEDB __attribute__ ((visibility("hidden")))
#define PRIVATE_ICEDB __attribute__ ((visibility("internal")))
#else
#pragma message("defs.h warning: compiler is unrecognized")
#endif

// OS definitions
#ifdef __unix__
#ifdef __linux__
#define ICEDB_OS_LINUX
#endif
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__DragonFly__) || defined(__APPLE__)
#define ICEDB_OS_UNIX
#endif
#endif
#ifdef _WIN32
#define ICEDB_OS_WINDOWS
#endif
#if !defined(_WIN32) && !defined(ICEDB_OS_UNIX) && !defined(ICEDB_OS_LINUX)
#define ICEDB_OS_UNSUPPORTED
#endif


// If SHARED_(libname) is defined, then the target library both 
// exprts and imports. If not defined, then it is a static library.

// Macros defined as EXPORTING_(libname) are internal to the library.
// They indicate that SHARED_EXPORT_SDBR should be used.
// If EXPORTING_ is not defined, then SHARED_IMPORT_SDBR should be used.

#if SHARED_libicedb
#if EXPORTING_libicedb
#define DL_ICEDB SHARED_EXPORT_ICEDB
#else
#define DL_ICEDB SHARED_IMPORT_ICEDB
#endif
#else
#define DL_ICEDB SHARED_EXPORT_ICEDB
#endif
/* Symbol export / import macros */
#define ICEDB_SYMBOL_SHARED DL_ICEDB
#define ICEDB_SYMBOL_PRIVATE HIDDEN_ICEDB


#ifdef _MSC_FULL_VER
#define ICEDB_DEBUG_FSIG __FUNCSIG__
#endif
#if defined(__GNUC__) || defined(__clang__)
#if defined(__PRETTY_FUNCTION__)
#define ICEDB_DEBUG_FSIG __PRETTY_FUNCTION__
#elif defined(__func__)
#define ICEDB_DEBUG_FSIG __func__
#elif defined(__FUNCTION__)
#define ICEDB_DEBUG_FSIG __FUNCTION__
#else
#define ICEDB_DEBUG_FSIG ""
#endif
#endif

#define ICEDB_WIDEN2(x) L ## x
#define ICEDB_WIDEN(x) ICEDB_WIDEN2(x)
/* Global exception raising code (invokes debugger) */
ICEDB_SYMBOL_SHARED void ICEDB_DEBUG_RAISE_EXCEPTION_HANDLER_A(const char*, int, const char*);
ICEDB_SYMBOL_SHARED void ICEDB_DEBUG_RAISE_EXCEPTION_HANDLER_WC(const wchar_t*, int, const wchar_t*);
#define ICEDB_DEBUG_RAISE_EXCEPTION() ICEDB_DEBUG_RAISE_EXCEPTION_HANDLER_WC( ICEDB_WIDEN(__FILE__), (int)__LINE__, ICEDB_WIDEN(ICEDB_DEBUG_FSIG));

#define ICEDB_DEBUG_RAISE_EXCEPTION_HANDLER ICEDB_DEBUG_RAISE_EXCEPTION_HANDLER_A
/* Global error codes. */
#define ICEDB_GLOBAL_ERROR_TODO 999
#if defined(__STDC_LIB_EXT1__) || defined(__STDC_SECURE_LIB__)
#define ICEDB_USING_SECURE_STRINGS 1
#define ICEDB_DEFS_COMPILER_HAS_FPRINTF_S
#define ICEDB_DEFS_COMPILER_HAS_FPUTS_S
#else
#define _CRT_SECURE_NO_WARNINGS
#endif

/* Thread local storage stuff */
#ifdef _MSC_FULL_VER
#define ICEDB_THREAD_LOCAL __declspec( thread )
#endif
#ifdef __GNUC__
#define ICEDB_THREAD_LOCAL __thread
#endif

// Compiler interface warning suppression
#if defined _MSC_FULL_VER
#pragma warning(push)
#pragma warning( disable : 4003 ) // Bug in boost with VS2016.3
#pragma warning( disable : 4251 ) // DLL interface
#pragma warning( disable : 4275 ) // DLL interface
#endif

#define ICEDB_OUT
#define ICEDB_OPTIONAL

ICEDB_END_DECL_C

// Errata:

#ifndef ICEDB_NO_ERRATA
// Boost bug with C++17 requires this define. See https://stackoverflow.com/questions/41972522/c2143-c2518-when-trying-to-compile-project-using-boost-multiprecision
#ifndef _HAS_AUTO_PTR_ETC
#define _HAS_AUTO_PTR_ETC   (!_HAS_CXX17)
#endif /* _HAS_AUTO_PTR_ETC */
#endif

#endif