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/*
* Copyright 1995-2021 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<1600
/*
* 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 && \
!defined(__cplusplus)
# 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
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