| /* |
| * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (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 HEADER_E_OS2_H |
| # define HEADER_E_OS2_H |
| |
| # include <openssl/opensslconf.h> |
| |
| #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) || defined(OPENSSL_SYS_VMS) |
| # if !defined(OPENSSL_SYS_VMS) |
| # undef OPENSSL_SYS_UNIX |
| # endif |
| # define OPENSSL_SYS_VMS |
| # 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 |
| |
| /** |
| * That's it for OS-specific stuff |
| *****************************************************************************/ |
| |
| /* Specials for I/O an exit */ |
| # ifdef OPENSSL_SYS_MSDOS |
| # define OPENSSL_UNISTD_IO <io.h> |
| # define OPENSSL_DECLARE_EXIT extern void exit(int); |
| # else |
| # define OPENSSL_UNISTD_IO OPENSSL_UNISTD |
| # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ |
| # endif |
| |
| /*- |
| * 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 |
| |
| /*- |
| * Macros to allow global variables to be reached through function calls when |
| * required (if a shared library version requires it, for example. |
| * The way it's done allows definitions like this: |
| * |
| * // in foobar.c |
| * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0) |
| * // in foobar.h |
| * OPENSSL_DECLARE_GLOBAL(int,foobar); |
| * #define foobar OPENSSL_GLOBAL_REF(foobar) |
| */ |
| # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION |
| # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \ |
| type *_shadow_##name(void) \ |
| { static type _hide_##name=value; return &_hide_##name; } |
| # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) |
| # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) |
| # else |
| # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) type _shadow_##name=value; |
| # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name |
| # define OPENSSL_GLOBAL_REF(name) _shadow_##name |
| # 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 |
| |
| # ifdef DEBUG_UNUSED |
| # define __owur __attribute__((__warn_unused_result__)) |
| # else |
| # define __owur |
| # endif |
| |
| /* Standard integer types */ |
| # 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 <inttypes.h> |
| # elif defined(_MSC_VER) && _MSC_VER<=1500 |
| /* |
| * 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 <stdint.h> |
| # 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 |
| # 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 |