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293 lines
8.5 KiB
293 lines
8.5 KiB
/* |
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* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html |
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*/ |
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#ifndef HEADER_E_OS2_H |
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# define HEADER_E_OS2_H |
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# include <openssl/opensslconf.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/****************************************************************************** |
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* Detect operating systems. This probably needs completing. |
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* The result is that at least one OPENSSL_SYS_os macro should be defined. |
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* However, if none is defined, Unix is assumed. |
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**/ |
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# define OPENSSL_SYS_UNIX |
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/* --------------------- Microsoft operating systems ---------------------- */ |
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/* |
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* Note that MSDOS actually denotes 32-bit environments running on top of |
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* MS-DOS, such as DJGPP one. |
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*/ |
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# if defined(OPENSSL_SYS_MSDOS) |
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# undef OPENSSL_SYS_UNIX |
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# endif |
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/* |
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* For 32 bit environment, there seems to be the CygWin environment and then |
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* all the others that try to do the same thing Microsoft does... |
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*/ |
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/* |
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* UEFI lives here because it might be built with a Microsoft toolchain and |
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* we need to avoid the false positive match on Windows. |
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*/ |
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# if defined(OPENSSL_SYS_UEFI) |
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# undef OPENSSL_SYS_UNIX |
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# elif defined(OPENSSL_SYS_UWIN) |
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# undef OPENSSL_SYS_UNIX |
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# define OPENSSL_SYS_WIN32_UWIN |
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# else |
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# if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN) |
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# define OPENSSL_SYS_WIN32_CYGWIN |
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# else |
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# if defined(_WIN32) || defined(OPENSSL_SYS_WIN32) |
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# undef OPENSSL_SYS_UNIX |
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# if !defined(OPENSSL_SYS_WIN32) |
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# define OPENSSL_SYS_WIN32 |
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# endif |
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# endif |
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# if defined(_WIN64) || defined(OPENSSL_SYS_WIN64) |
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# undef OPENSSL_SYS_UNIX |
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# if !defined(OPENSSL_SYS_WIN64) |
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# define OPENSSL_SYS_WIN64 |
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# endif |
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# endif |
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# if defined(OPENSSL_SYS_WINNT) |
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# undef OPENSSL_SYS_UNIX |
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# endif |
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# if defined(OPENSSL_SYS_WINCE) |
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# undef OPENSSL_SYS_UNIX |
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# endif |
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# endif |
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# endif |
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/* Anything that tries to look like Microsoft is "Windows" */ |
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# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) |
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# undef OPENSSL_SYS_UNIX |
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# define OPENSSL_SYS_WINDOWS |
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# ifndef OPENSSL_SYS_MSDOS |
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# define OPENSSL_SYS_MSDOS |
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# endif |
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# endif |
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/* |
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* DLL settings. This part is a bit tough, because it's up to the |
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* application implementor how he or she will link the application, so it |
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* requires some macro to be used. |
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*/ |
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# ifdef OPENSSL_SYS_WINDOWS |
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# ifndef OPENSSL_OPT_WINDLL |
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# if defined(_WINDLL) /* This is used when building OpenSSL to |
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* indicate that DLL linkage should be used */ |
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# define OPENSSL_OPT_WINDLL |
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# endif |
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# endif |
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# endif |
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/* ------------------------------- OpenVMS -------------------------------- */ |
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# if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS) |
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# if !defined(OPENSSL_SYS_VMS) |
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# undef OPENSSL_SYS_UNIX |
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# endif |
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# define OPENSSL_SYS_VMS |
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# if defined(__DECC) |
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# define OPENSSL_SYS_VMS_DECC |
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# elif defined(__DECCXX) |
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# define OPENSSL_SYS_VMS_DECC |
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# define OPENSSL_SYS_VMS_DECCXX |
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# else |
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# define OPENSSL_SYS_VMS_NODECC |
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# endif |
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# endif |
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/* -------------------------------- Unix ---------------------------------- */ |
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# ifdef OPENSSL_SYS_UNIX |
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# if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX) |
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# define OPENSSL_SYS_LINUX |
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# endif |
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# if defined(_AIX) && !defined(OPENSSL_SYS_AIX) |
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# define OPENSSL_SYS_AIX |
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# endif |
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# endif |
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/* -------------------------------- VOS ----------------------------------- */ |
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# if defined(__VOS__) && !defined(OPENSSL_SYS_VOS) |
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# define OPENSSL_SYS_VOS |
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# ifdef __HPPA__ |
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# define OPENSSL_SYS_VOS_HPPA |
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# endif |
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# ifdef __IA32__ |
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# define OPENSSL_SYS_VOS_IA32 |
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# endif |
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# endif |
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/** |
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* That's it for OS-specific stuff |
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*****************************************************************************/ |
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/* Specials for I/O an exit */ |
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# ifdef OPENSSL_SYS_MSDOS |
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# define OPENSSL_UNISTD_IO <io.h> |
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# define OPENSSL_DECLARE_EXIT extern void exit(int); |
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# else |
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# define OPENSSL_UNISTD_IO OPENSSL_UNISTD |
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# define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ |
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# endif |
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/*- |
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* OPENSSL_EXTERN is normally used to declare a symbol with possible extra |
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* attributes to handle its presence in a shared library. |
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* OPENSSL_EXPORT is used to define a symbol with extra possible attributes |
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* to make it visible in a shared library. |
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* Care needs to be taken when a header file is used both to declare and |
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* define symbols. Basically, for any library that exports some global |
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* variables, the following code must be present in the header file that |
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* declares them, before OPENSSL_EXTERN is used: |
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* |
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* #ifdef SOME_BUILD_FLAG_MACRO |
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* # undef OPENSSL_EXTERN |
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* # define OPENSSL_EXTERN OPENSSL_EXPORT |
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* #endif |
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* |
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* The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN |
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* have some generally sensible values. |
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*/ |
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# if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) |
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# define OPENSSL_EXPORT extern __declspec(dllexport) |
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# define OPENSSL_EXTERN extern __declspec(dllimport) |
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# else |
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# define OPENSSL_EXPORT extern |
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# define OPENSSL_EXTERN extern |
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# endif |
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/*- |
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* Macros to allow global variables to be reached through function calls when |
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* required (if a shared library version requires it, for example. |
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* The way it's done allows definitions like this: |
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* |
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* // in foobar.c |
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* OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0) |
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* // in foobar.h |
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* OPENSSL_DECLARE_GLOBAL(int,foobar); |
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* #define foobar OPENSSL_GLOBAL_REF(foobar) |
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*/ |
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# ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION |
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# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \ |
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type *_shadow_##name(void) \ |
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{ static type _hide_##name=value; return &_hide_##name; } |
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# define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) |
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# define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) |
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# else |
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# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) type _shadow_##name=value; |
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# define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name |
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# define OPENSSL_GLOBAL_REF(name) _shadow_##name |
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# endif |
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# ifdef _WIN32 |
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# ifdef _WIN64 |
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# define ossl_ssize_t __int64 |
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# define OSSL_SSIZE_MAX _I64_MAX |
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# else |
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# define ossl_ssize_t int |
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# define OSSL_SSIZE_MAX INT_MAX |
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# endif |
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# endif |
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# if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t) |
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# define ossl_ssize_t INTN |
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# define OSSL_SSIZE_MAX MAX_INTN |
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# endif |
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# ifndef ossl_ssize_t |
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# define ossl_ssize_t ssize_t |
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# if defined(SSIZE_MAX) |
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# define OSSL_SSIZE_MAX SSIZE_MAX |
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# elif defined(_POSIX_SSIZE_MAX) |
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# define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX |
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# else |
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# define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1)) |
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# endif |
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# endif |
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# ifdef DEBUG_UNUSED |
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# define __owur __attribute__((__warn_unused_result__)) |
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# else |
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# define __owur |
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# endif |
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/* Standard integer types */ |
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# if defined(OPENSSL_SYS_UEFI) |
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typedef INT8 int8_t; |
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typedef UINT8 uint8_t; |
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typedef INT16 int16_t; |
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typedef UINT16 uint16_t; |
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typedef INT32 int32_t; |
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typedef UINT32 uint32_t; |
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typedef INT64 int64_t; |
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typedef UINT64 uint64_t; |
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# elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ |
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defined(__osf__) || defined(__sgi) || defined(__hpux) || \ |
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defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__) |
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# include <inttypes.h> |
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# elif defined(_MSC_VER) && _MSC_VER<=1500 |
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/* |
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* minimally required typdefs for systems not supporting inttypes.h or |
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* stdint.h: currently just older VC++ |
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*/ |
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typedef signed char int8_t; |
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typedef unsigned char uint8_t; |
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typedef short int16_t; |
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typedef unsigned short uint16_t; |
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typedef int int32_t; |
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typedef unsigned int uint32_t; |
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typedef __int64 int64_t; |
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typedef unsigned __int64 uint64_t; |
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# else |
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# include <stdint.h> |
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# endif |
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/* ossl_inline: portable inline definition usable in public headers */ |
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# if !defined(inline) && !defined(__cplusplus) |
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# if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L |
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/* just use inline */ |
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# define ossl_inline inline |
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# elif defined(__GNUC__) && __GNUC__>=2 |
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# define ossl_inline __inline__ |
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# elif defined(_MSC_VER) |
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/* |
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* Visual Studio: inline is available in C++ only, however |
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* __inline is available for C, see |
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* http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx |
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*/ |
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# define ossl_inline __inline |
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# else |
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# define ossl_inline |
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# endif |
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# else |
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# define ossl_inline inline |
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# endif |
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# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L |
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# define ossl_noreturn _Noreturn |
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# elif defined(__GNUC__) && __GNUC__ >= 2 |
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# define ossl_noreturn __attribute__((noreturn)) |
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# else |
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# define ossl_noreturn |
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# endif |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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