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162 lines
5.9 KiB
162 lines
5.9 KiB
4 years ago
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// config_os.h - written and placed in public domain by Jeffrey Walton
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// the bits that make up this source file are from the
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// library's monolithic config.h.
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/// \file config_os.h
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/// \brief Library configuration file
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/// \details <tt>config.h</tt> was split into components in May 2019 to better
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/// integrate with Autoconf and its feature tests. The splitting occured so
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/// users could continue to include <tt>config.h</tt> while allowing Autoconf
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/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
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/// its feature tests.
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/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835</A>
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/// \since Crypto++ 8.3
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#ifndef CRYPTOPP_CONFIG_OS_H
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#define CRYPTOPP_CONFIG_OS_H
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#include "config_ver.h"
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// It is OK to remove the hard stop below, but you are on your own.
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// After building the library be sure to run self tests described
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// https://www.cryptopp.com/wiki/Release_Process#Self_Tests
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// Some relevant bug reports can be found at:
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// * Clang: http://github.com/weidai11/cryptopp/issues/147
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#if (defined(_MSC_VER) && defined(__clang__) && !(defined( __clang_analyzer__)))
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# error: "Unsupported configuration"
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#endif
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// Windows platform
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#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__)
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#define CRYPTOPP_WIN32_AVAILABLE
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#endif
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// Unix and Linux platforms
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#if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
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#define CRYPTOPP_UNIX_AVAILABLE
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#endif
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// BSD platforms
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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#define CRYPTOPP_BSD_AVAILABLE
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#endif
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// Microsoft compilers
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#if defined(_MSC_VER) || defined(__fastcall)
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#define CRYPTOPP_FASTCALL __fastcall
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#else
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#define CRYPTOPP_FASTCALL
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#endif
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// Microsoft compilers
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#if defined(_MSC_VER)
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#define CRYPTOPP_NO_VTABLE __declspec(novtable)
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#else
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#define CRYPTOPP_NO_VTABLE
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#endif
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// Define this if you want to disable all OS-dependent features,
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// such as sockets and OS-provided random number generators
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// #define NO_OS_DEPENDENCE
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// Define this to use features provided by Microsoft's CryptoAPI.
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// Currently the only feature used is Windows random number generation.
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// This macro will be ignored if NO_OS_DEPENDENCE is defined.
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// #define USE_MS_CRYPTOAPI
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// Define this to use features provided by Microsoft's CryptoNG API.
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// CryptoNG API is available in Vista and above and its cross platform,
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// including desktop apps and store apps. Currently the only feature
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// used is Windows random number generation.
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// This macro will be ignored if NO_OS_DEPENDENCE is defined.
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// #define USE_MS_CNGAPI
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// If the user did not make a choice, then select CryptoNG if
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// targeting Windows 8 or above.
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#if !defined(USE_MS_CRYPTOAPI) && !defined(USE_MS_CNGAPI)
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# if !defined(_USING_V110_SDK71_) && ((WINVER >= 0x0602 /*_WIN32_WINNT_WIN8*/) || \
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(_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/))
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# define USE_MS_CNGAPI
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# else
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# define USE_MS_CRYPTOAPI
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# endif
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#endif
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// Begin OS features, like init priorities and random numbers
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#ifndef NO_OS_DEPENDENCE
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// CRYPTOPP_INIT_PRIORITY attempts to manage initialization of C++ static objects.
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// Under GCC, the library uses init_priority attribute in the range
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// [CRYPTOPP_INIT_PRIORITY, CRYPTOPP_INIT_PRIORITY+100]. Under Windows,
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// CRYPTOPP_INIT_PRIORITY enlists "#pragma init_seg(lib)". The platforms
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// with gaps are Apple and Sun because they require linker scripts. Apple and
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// Sun will use the library's Singletons to initialize and acquire resources.
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// Also see http://cryptopp.com/wiki/Static_Initialization_Order_Fiasco
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#ifndef CRYPTOPP_INIT_PRIORITY
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# define CRYPTOPP_INIT_PRIORITY 250
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#endif
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// CRYPTOPP_USER_PRIORITY is for other libraries and user code that is using Crypto++
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// and managing C++ static object creation. It is guaranteed not to conflict with
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// values used by (or would be used by) the Crypto++ library.
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#ifndef CRYPTOPP_USER_PRIORITY
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# define CRYPTOPP_USER_PRIORITY (CRYPTOPP_INIT_PRIORITY+101)
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#endif
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// Most platforms allow us to specify when to create C++ objects. Apple and Sun do not.
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#if (CRYPTOPP_INIT_PRIORITY > 0) && !(defined(NO_OS_DEPENDENCE) || defined(__APPLE__) || defined(__sun__))
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# if (CRYPTOPP_GCC_VERSION >= 30000) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (_INTEL_COMPILER >= 800)
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# define HAVE_GCC_INIT_PRIORITY 1
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# elif (CRYPTOPP_MSC_VERSION >= 1310)
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# define HAVE_MSC_INIT_PRIORITY 1
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# elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
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# define HAVE_XLC_INIT_PRIORITY 1
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# endif
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#endif // CRYPTOPP_INIT_PRIORITY, NO_OS_DEPENDENCE, Apple, Sun
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#if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
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# define HIGHRES_TIMER_AVAILABLE
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#endif
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#ifdef CRYPTOPP_WIN32_AVAILABLE
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# if !defined(WINAPI_FAMILY)
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# define THREAD_TIMER_AVAILABLE
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# elif defined(WINAPI_FAMILY)
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# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
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# define THREAD_TIMER_AVAILABLE
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# endif
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# endif
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#endif
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#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
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# define NONBLOCKING_RNG_AVAILABLE
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# define BLOCKING_RNG_AVAILABLE
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# define OS_RNG_AVAILABLE
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#endif
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// Cygwin/Newlib requires _XOPEN_SOURCE=600
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#if defined(CRYPTOPP_UNIX_AVAILABLE)
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# define UNIX_SIGNALS_AVAILABLE 1
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#endif
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#ifdef CRYPTOPP_WIN32_AVAILABLE
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# if !defined(WINAPI_FAMILY)
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# define NONBLOCKING_RNG_AVAILABLE
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# define OS_RNG_AVAILABLE
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# elif defined(WINAPI_FAMILY)
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# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
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# define NONBLOCKING_RNG_AVAILABLE
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# define OS_RNG_AVAILABLE
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# elif !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
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# if ((WINVER >= 0x0A00 /*_WIN32_WINNT_WIN10*/) || (_WIN32_WINNT >= 0x0A00 /*_WIN32_WINNT_WIN10*/))
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# define NONBLOCKING_RNG_AVAILABLE
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# define OS_RNG_AVAILABLE
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# endif
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# endif
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# endif
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#endif
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#endif // NO_OS_DEPENDENCE
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#endif // CRYPTOPP_CONFIG_OS_H
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