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Diffstat (limited to 'include/openssl/e_os2.h')
| -rw-r--r-- | include/openssl/e_os2.h | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/include/openssl/e_os2.h b/include/openssl/e_os2.h new file mode 100644 index 000000000000..eeae21544529 --- /dev/null +++ b/include/openssl/e_os2.h @@ -0,0 +1,293 @@ +/* + * Copyright 1995-2018 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 + +#ifdef __cplusplus +} +#endif +#endif |