/* * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OPENSSL_E_OS2_H #define OPENSSL_E_OS2_H #pragma once #include #ifndef OPENSSL_NO_DEPRECATED_3_0 #define HEADER_E_OS2_H #endif #include #ifdef __cplusplus extern "C" { #endif /****************************************************************************** * Detect operating systems. This probably needs completing. * The result is that at least one OPENSSL_SYS_os macro should be defined. * However, if none is defined, Unix is assumed. **/ #define OPENSSL_SYS_UNIX /* --------------------- Microsoft operating systems ---------------------- */ /* * Note that MSDOS actually denotes 32-bit environments running on top of * MS-DOS, such as DJGPP one. */ #if defined(OPENSSL_SYS_MSDOS) #undef OPENSSL_SYS_UNIX #endif /* * For 32 bit environment, there seems to be the CygWin environment and then * all the others that try to do the same thing Microsoft does... */ /* * UEFI lives here because it might be built with a Microsoft toolchain and * we need to avoid the false positive match on Windows. */ #if defined(OPENSSL_SYS_UEFI) #undef OPENSSL_SYS_UNIX #elif defined(OPENSSL_SYS_UWIN) #undef OPENSSL_SYS_UNIX #define OPENSSL_SYS_WIN32_UWIN #else #if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN) #define OPENSSL_SYS_WIN32_CYGWIN #else #if defined(_WIN32) || defined(OPENSSL_SYS_WIN32) #undef OPENSSL_SYS_UNIX #if !defined(OPENSSL_SYS_WIN32) #define OPENSSL_SYS_WIN32 #endif #endif #if defined(_WIN64) || defined(OPENSSL_SYS_WIN64) #undef OPENSSL_SYS_UNIX #if !defined(OPENSSL_SYS_WIN64) #define OPENSSL_SYS_WIN64 #endif #endif #if defined(OPENSSL_SYS_WINNT) #undef OPENSSL_SYS_UNIX #endif #if defined(OPENSSL_SYS_WINCE) #undef OPENSSL_SYS_UNIX #endif #endif #endif /* Anything that tries to look like Microsoft is "Windows" */ #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) #undef OPENSSL_SYS_UNIX #define OPENSSL_SYS_WINDOWS #ifndef OPENSSL_SYS_MSDOS #define OPENSSL_SYS_MSDOS #endif #endif /* * DLL settings. This part is a bit tough, because it's up to the * application implementor how he or she will link the application, so it * requires some macro to be used. */ #ifdef OPENSSL_SYS_WINDOWS #ifndef OPENSSL_OPT_WINDLL #if defined(_WINDLL) /* This is used when building OpenSSL to \ * indicate that DLL linkage should be used */ #define OPENSSL_OPT_WINDLL #endif #endif #endif /* ------------------------------- OpenVMS -------------------------------- */ #if defined(__VMS) || defined(VMS) #if !defined(OPENSSL_SYS_VMS) #undef OPENSSL_SYS_UNIX #define OPENSSL_SYS_VMS #endif #if defined(__DECC) #define OPENSSL_SYS_VMS_DECC #elif defined(__DECCXX) #define OPENSSL_SYS_VMS_DECC #define OPENSSL_SYS_VMS_DECCXX #else #define OPENSSL_SYS_VMS_NODECC #endif #endif /* -------------------------------- Unix ---------------------------------- */ #ifdef OPENSSL_SYS_UNIX #if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX) #define OPENSSL_SYS_LINUX #endif #if defined(_AIX) && !defined(OPENSSL_SYS_AIX) #define OPENSSL_SYS_AIX #endif #endif /* -------------------------------- VOS ----------------------------------- */ #if defined(__VOS__) && !defined(OPENSSL_SYS_VOS) #define OPENSSL_SYS_VOS #ifdef __HPPA__ #define OPENSSL_SYS_VOS_HPPA #endif #ifdef __IA32__ #define OPENSSL_SYS_VOS_IA32 #endif #endif /* ---------------------------- HP NonStop -------------------------------- */ #ifdef __TANDEM #ifdef _STRING #include #endif #define OPENSSL_USE_BUILD_DATE #if defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) #define SPT_THREAD_SIGNAL 1 #define SPT_THREAD_AWARE 1 #include #elif defined(OPENSSL_THREADS) && defined(_PUT_MODEL_) #include #endif #endif /** * That's it for OS-specific stuff *****************************************************************************/ /*- * OPENSSL_EXTERN is normally used to declare a symbol with possible extra * attributes to handle its presence in a shared library. * OPENSSL_EXPORT is used to define a symbol with extra possible attributes * to make it visible in a shared library. * Care needs to be taken when a header file is used both to declare and * define symbols. Basically, for any library that exports some global * variables, the following code must be present in the header file that * declares them, before OPENSSL_EXTERN is used: * * #ifdef SOME_BUILD_FLAG_MACRO * # undef OPENSSL_EXTERN * # define OPENSSL_EXTERN OPENSSL_EXPORT * #endif * * The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN * have some generally sensible values. */ #if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) #define OPENSSL_EXPORT extern __declspec(dllexport) #define OPENSSL_EXTERN extern __declspec(dllimport) #else #define OPENSSL_EXPORT extern #define OPENSSL_EXTERN extern #endif #ifdef _WIN32 #ifdef _WIN64 #define ossl_ssize_t __int64 #define OSSL_SSIZE_MAX _I64_MAX #else #define ossl_ssize_t int #define OSSL_SSIZE_MAX INT_MAX #endif #endif #if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t) #define ossl_ssize_t INTN #define OSSL_SSIZE_MAX MAX_INTN #endif #ifndef ossl_ssize_t #define ossl_ssize_t ssize_t #if defined(SSIZE_MAX) #define OSSL_SSIZE_MAX SSIZE_MAX #elif defined(_POSIX_SSIZE_MAX) #define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX #else #define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) #endif #endif #if defined(UNUSEDRESULT_DEBUG) #define __owur __attribute__((__warn_unused_result__)) #else #define __owur #endif /* Standard integer types */ #define OPENSSL_NO_INTTYPES_H #define OPENSSL_NO_STDINT_H #if defined(OPENSSL_SYS_UEFI) typedef INT8 int8_t; typedef UINT8 uint8_t; typedef INT16 int16_t; typedef UINT16 uint16_t; typedef INT32 int32_t; typedef UINT32 uint32_t; typedef INT64 int64_t; typedef UINT64 uint64_t; #elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ defined(__osf__) || defined(__sgi) || defined(__hpux) || \ defined(OPENSSL_SYS_VMS) || defined(__OpenBSD__) #include #undef OPENSSL_NO_INTTYPES_H /* Because the specs say that inttypes.h includes stdint.h if present */ #undef OPENSSL_NO_STDINT_H #elif defined(_MSC_VER) && _MSC_VER < 1600 /* * minimally required typdefs for systems not supporting inttypes.h or * stdint.h: currently just older VC++ */ typedef signed char int8_t; typedef unsigned char uint8_t; typedef short int16_t; typedef unsigned short uint16_t; typedef int int32_t; typedef unsigned int uint32_t; typedef __int64 int64_t; typedef unsigned __int64 uint64_t; #else #include #undef OPENSSL_NO_STDINT_H #endif #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \ defined(INTMAX_MAX) && defined(UINTMAX_MAX) typedef intmax_t ossl_intmax_t; typedef uintmax_t ossl_uintmax_t; #else /* Fall back to the largest we know we require and can handle */ typedef int64_t ossl_intmax_t; typedef uint64_t ossl_uintmax_t; #endif /* ossl_inline: portable inline definition usable in public headers */ #if !defined(inline) && !defined(__cplusplus) #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* just use inline */ #define ossl_inline inline #elif defined(__GNUC__) && __GNUC__ >= 2 #define ossl_inline __inline__ #elif defined(_MSC_VER) /* * Visual Studio: inline is available in C++ only, however * __inline is available for C, see * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx */ #define ossl_inline __inline #else #define ossl_inline #endif #else #define ossl_inline inline #endif #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \ !defined(__cplusplus) #define ossl_noreturn _Noreturn #elif defined(__GNUC__) && __GNUC__ >= 2 #define ossl_noreturn __attribute__((noreturn)) #else #define ossl_noreturn #endif /* ossl_unused: portable unused attribute for use in public headers */ #if defined(__GNUC__) #define ossl_unused __attribute__((unused)) #else #define ossl_unused #endif #ifdef __cplusplus } #endif #endif