1 /* 2 * Copyright 1995-2024 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 implementer 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 #include <sys/types.h> 204 #define ossl_ssize_t ssize_t 205 #if defined(SSIZE_MAX) 206 #define OSSL_SSIZE_MAX SSIZE_MAX 207 #elif defined(_POSIX_SSIZE_MAX) 208 #define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX 209 #else 210 #define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) 211 #endif 212 #endif 213 214 #if defined(UNUSEDRESULT_DEBUG) 215 #define __owur __attribute__((__warn_unused_result__)) 216 #else 217 #define __owur 218 #endif 219 220 /* Standard integer types */ 221 #define OPENSSL_NO_INTTYPES_H 222 #define OPENSSL_NO_STDINT_H 223 #if defined(OPENSSL_SYS_UEFI) 224 typedef INT8 int8_t; 225 typedef UINT8 uint8_t; 226 typedef INT16 int16_t; 227 typedef UINT16 uint16_t; 228 typedef INT32 int32_t; 229 typedef UINT32 uint32_t; 230 typedef INT64 int64_t; 231 typedef UINT64 uint64_t; 232 typedef UINTN uintptr_t; 233 #elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__osf__) || defined(__sgi) || defined(__hpux) || 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 #elif defined(OPENSSL_SYS_TANDEM) 252 #include <stdint.h> 253 #include <sys/types.h> 254 #else 255 #include <stdint.h> 256 #undef OPENSSL_NO_STDINT_H 257 #endif 258 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && defined(INTMAX_MAX) && defined(UINTMAX_MAX) 259 typedef intmax_t ossl_intmax_t; 260 typedef uintmax_t ossl_uintmax_t; 261 #else 262 /* Fall back to the largest we know we require and can handle */ 263 typedef int64_t ossl_intmax_t; 264 typedef uint64_t ossl_uintmax_t; 265 #endif 266 267 /* ossl_inline: portable inline definition usable in public headers */ 268 #if !defined(inline) && !defined(__cplusplus) 269 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 270 /* just use inline */ 271 #define ossl_inline inline 272 #elif defined(__GNUC__) && __GNUC__ >= 2 273 #define ossl_inline __inline__ 274 #elif defined(_MSC_VER) 275 /* 276 * Visual Studio: inline is available in C++ only, however 277 * __inline is available for C, see 278 * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx 279 */ 280 #define ossl_inline __inline 281 #else 282 #define ossl_inline 283 #endif 284 #else 285 #define ossl_inline inline 286 #endif 287 288 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__cplusplus) 289 #define ossl_noreturn _Noreturn 290 #elif defined(__GNUC__) && __GNUC__ >= 2 291 #define ossl_noreturn __attribute__((noreturn)) 292 #else 293 #define ossl_noreturn 294 #endif 295 296 /* ossl_unused: portable unused attribute for use in public headers */ 297 #if defined(__GNUC__) 298 #define ossl_unused __attribute__((unused)) 299 #else 300 #define ossl_unused 301 #endif 302 303 #ifdef __cplusplus 304 } 305 #endif 306 #endif 307