1/* 2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#ifndef OPENSSL_E_OS2_H 11# define OPENSSL_E_OS2_H 12# pragma once 13 14# include <openssl/macros.h> 15# ifndef OPENSSL_NO_DEPRECATED_3_0 16# define HEADER_E_OS2_H 17# endif 18 19# include <openssl/opensslconf.h> 20 21#ifdef __cplusplus 22extern "C" { 23#endif 24 25/****************************************************************************** 26 * Detect operating systems. This probably needs completing. 27 * The result is that at least one OPENSSL_SYS_os macro should be defined. 28 * However, if none is defined, Unix is assumed. 29 **/ 30 31# define OPENSSL_SYS_UNIX 32 33/* --------------------- Microsoft operating systems ---------------------- */ 34 35/* 36 * Note that MSDOS actually denotes 32-bit environments running on top of 37 * MS-DOS, such as DJGPP one. 38 */ 39# if defined(OPENSSL_SYS_MSDOS) 40# undef OPENSSL_SYS_UNIX 41# endif 42 43/* 44 * For 32 bit environment, there seems to be the CygWin environment and then 45 * all the others that try to do the same thing Microsoft does... 46 */ 47/* 48 * UEFI lives here because it might be built with a Microsoft toolchain and 49 * we need to avoid the false positive match on Windows. 50 */ 51# if defined(OPENSSL_SYS_UEFI) 52# undef OPENSSL_SYS_UNIX 53# elif defined(OPENSSL_SYS_UWIN) 54# undef OPENSSL_SYS_UNIX 55# define OPENSSL_SYS_WIN32_UWIN 56# else 57# if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN) 58# define OPENSSL_SYS_WIN32_CYGWIN 59# else 60# if defined(_WIN32) || defined(OPENSSL_SYS_WIN32) 61# undef OPENSSL_SYS_UNIX 62# if !defined(OPENSSL_SYS_WIN32) 63# define OPENSSL_SYS_WIN32 64# endif 65# endif 66# if defined(_WIN64) || defined(OPENSSL_SYS_WIN64) 67# undef OPENSSL_SYS_UNIX 68# if !defined(OPENSSL_SYS_WIN64) 69# define OPENSSL_SYS_WIN64 70# endif 71# endif 72# if defined(OPENSSL_SYS_WINNT) 73# undef OPENSSL_SYS_UNIX 74# endif 75# if defined(OPENSSL_SYS_WINCE) 76# undef OPENSSL_SYS_UNIX 77# endif 78# endif 79# endif 80 81/* Anything that tries to look like Microsoft is "Windows" */ 82# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) 83# undef OPENSSL_SYS_UNIX 84# define OPENSSL_SYS_WINDOWS 85# ifndef OPENSSL_SYS_MSDOS 86# define OPENSSL_SYS_MSDOS 87# endif 88# endif 89 90/* 91 * DLL settings. This part is a bit tough, because it's up to the 92 * application implementor how he or she will link the application, so it 93 * requires some macro to be used. 94 */ 95# ifdef OPENSSL_SYS_WINDOWS 96# ifndef OPENSSL_OPT_WINDLL 97# if defined(_WINDLL) /* This is used when building OpenSSL to 98 * indicate that DLL linkage should be used */ 99# define OPENSSL_OPT_WINDLL 100# endif 101# endif 102# endif 103 104/* ------------------------------- OpenVMS -------------------------------- */ 105# if defined(__VMS) || defined(VMS) 106# if !defined(OPENSSL_SYS_VMS) 107# undef OPENSSL_SYS_UNIX 108# define OPENSSL_SYS_VMS 109# endif 110# if defined(__DECC) 111# define OPENSSL_SYS_VMS_DECC 112# elif defined(__DECCXX) 113# define OPENSSL_SYS_VMS_DECC 114# define OPENSSL_SYS_VMS_DECCXX 115# else 116# define OPENSSL_SYS_VMS_NODECC 117# endif 118# endif 119 120/* -------------------------------- Unix ---------------------------------- */ 121# ifdef OPENSSL_SYS_UNIX 122# if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX) 123# define OPENSSL_SYS_LINUX 124# endif 125# if defined(_AIX) && !defined(OPENSSL_SYS_AIX) 126# define OPENSSL_SYS_AIX 127# endif 128# endif 129 130/* -------------------------------- VOS ----------------------------------- */ 131# if defined(__VOS__) && !defined(OPENSSL_SYS_VOS) 132# define OPENSSL_SYS_VOS 133# ifdef __HPPA__ 134# define OPENSSL_SYS_VOS_HPPA 135# endif 136# ifdef __IA32__ 137# define OPENSSL_SYS_VOS_IA32 138# endif 139# endif 140 141/* ---------------------------- HP NonStop -------------------------------- */ 142# ifdef __TANDEM 143# ifdef _STRING 144# include <strings.h> 145# endif 146# define OPENSSL_USE_BUILD_DATE 147# if defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) 148# define SPT_THREAD_SIGNAL 1 149# define SPT_THREAD_AWARE 1 150# include <spthread.h> 151# elif defined(OPENSSL_THREADS) && defined(_PUT_MODEL_) 152# include <pthread.h> 153# endif 154# endif 155 156/** 157 * That's it for OS-specific stuff 158 *****************************************************************************/ 159 160/*- 161 * OPENSSL_EXTERN is normally used to declare a symbol with possible extra 162 * attributes to handle its presence in a shared library. 163 * OPENSSL_EXPORT is used to define a symbol with extra possible attributes 164 * to make it visible in a shared library. 165 * Care needs to be taken when a header file is used both to declare and 166 * define symbols. Basically, for any library that exports some global 167 * variables, the following code must be present in the header file that 168 * declares them, before OPENSSL_EXTERN is used: 169 * 170 * #ifdef SOME_BUILD_FLAG_MACRO 171 * # undef OPENSSL_EXTERN 172 * # define OPENSSL_EXTERN OPENSSL_EXPORT 173 * #endif 174 * 175 * The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN 176 * have some generally sensible values. 177 */ 178 179# if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) 180# define OPENSSL_EXPORT extern __declspec(dllexport) 181# define OPENSSL_EXTERN extern __declspec(dllimport) 182# else 183# define OPENSSL_EXPORT extern 184# define OPENSSL_EXTERN extern 185# endif 186 187# ifdef _WIN32 188# ifdef _WIN64 189# define ossl_ssize_t __int64 190# define OSSL_SSIZE_MAX _I64_MAX 191# else 192# define ossl_ssize_t int 193# define OSSL_SSIZE_MAX INT_MAX 194# endif 195# endif 196 197# if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t) 198# define ossl_ssize_t INTN 199# define OSSL_SSIZE_MAX MAX_INTN 200# endif 201 202# ifndef ossl_ssize_t 203# define ossl_ssize_t ssize_t 204# if defined(SSIZE_MAX) 205# define OSSL_SSIZE_MAX SSIZE_MAX 206# elif defined(_POSIX_SSIZE_MAX) 207# define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX 208# else 209# define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1)) 210# endif 211# endif 212 213# if defined(UNUSEDRESULT_DEBUG) 214# define __owur __attribute__((__warn_unused_result__)) 215# else 216# define __owur 217# endif 218 219/* Standard integer types */ 220# define OPENSSL_NO_INTTYPES_H 221# define OPENSSL_NO_STDINT_H 222# if defined(OPENSSL_SYS_UEFI) 223typedef INT8 int8_t; 224typedef UINT8 uint8_t; 225typedef INT16 int16_t; 226typedef UINT16 uint16_t; 227typedef INT32 int32_t; 228typedef UINT32 uint32_t; 229typedef INT64 int64_t; 230typedef UINT64 uint64_t; 231# elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ 232 defined(__osf__) || defined(__sgi) || defined(__hpux) || \ 233 defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__) 234# include <inttypes.h> 235# undef OPENSSL_NO_INTTYPES_H 236/* Because the specs say that inttypes.h includes stdint.h if present */ 237# undef OPENSSL_NO_STDINT_H 238# elif defined(_MSC_VER) && _MSC_VER<1600 239/* 240 * minimally required typdefs for systems not supporting inttypes.h or 241 * stdint.h: currently just older VC++ 242 */ 243typedef signed char int8_t; 244typedef unsigned char uint8_t; 245typedef short int16_t; 246typedef unsigned short uint16_t; 247typedef int int32_t; 248typedef unsigned int uint32_t; 249typedef __int64 int64_t; 250typedef unsigned __int64 uint64_t; 251# else 252# include <stdint.h> 253# undef OPENSSL_NO_STDINT_H 254# endif 255# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \ 256 defined(INTMAX_MAX) && defined(UINTMAX_MAX) 257typedef intmax_t ossl_intmax_t; 258typedef uintmax_t ossl_uintmax_t; 259# else 260/* Fall back to the largest we know we require and can handle */ 261typedef int64_t ossl_intmax_t; 262typedef uint64_t ossl_uintmax_t; 263# endif 264 265/* ossl_inline: portable inline definition usable in public headers */ 266# if !defined(inline) && !defined(__cplusplus) 267# if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L 268 /* just use inline */ 269# define ossl_inline inline 270# elif defined(__GNUC__) && __GNUC__>=2 271# define ossl_inline __inline__ 272# elif defined(_MSC_VER) 273 /* 274 * Visual Studio: inline is available in C++ only, however 275 * __inline is available for C, see 276 * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx 277 */ 278# define ossl_inline __inline 279# else 280# define ossl_inline 281# endif 282# else 283# define ossl_inline inline 284# endif 285 286# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \ 287 !defined(__cplusplus) 288# define ossl_noreturn _Noreturn 289# elif defined(__GNUC__) && __GNUC__ >= 2 290# define ossl_noreturn __attribute__((noreturn)) 291# else 292# define ossl_noreturn 293# endif 294 295/* ossl_unused: portable unused attribute for use in public headers */ 296# if defined(__GNUC__) 297# define ossl_unused __attribute__((unused)) 298# else 299# define ossl_unused 300# endif 301 302#ifdef __cplusplus 303} 304#endif 305#endif 306