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 22 extern "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) 223 typedef INT8 int8_t; 224 typedef UINT8 uint8_t; 225 typedef INT16 int16_t; 226 typedef UINT16 uint16_t; 227 typedef INT32 int32_t; 228 typedef UINT32 uint32_t; 229 typedef INT64 int64_t; 230 typedef 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 */ 243 typedef signed char int8_t; 244 typedef unsigned char uint8_t; 245 typedef short int16_t; 246 typedef unsigned short uint16_t; 247 typedef int int32_t; 248 typedef unsigned int uint32_t; 249 typedef __int64 int64_t; 250 typedef 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) 257 typedef intmax_t ossl_intmax_t; 258 typedef uintmax_t ossl_uintmax_t; 259 # else 260 /* Fall back to the largest we know we require and can handle */ 261 typedef int64_t ossl_intmax_t; 262 typedef 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