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-rw-r--r--include/openssl/e_os2.h659
1 files changed, 315 insertions, 344 deletions
diff --git a/include/openssl/e_os2.h b/include/openssl/e_os2.h
index bbd6116f86..33a6d32d4c 100644
--- a/include/openssl/e_os2.h
+++ b/include/openssl/e_os2.h
@@ -1,344 +1,315 @@
-/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#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)
-# undef OPENSSL_SYS_UNIX
-# 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
-
-/*-
- * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
- * certain global symbols that, with some compilers under VMS, have to be
- * defined and declared explicitly with globaldef and globalref.
- * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
- * DLL exports and imports for compilers under Win32. These are a little
- * more complicated to use. 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, OPENSSL_EXTERN and OPENSSL_GLOBAL
- * have some generally sensible values.
- */
-
-# if defined(OPENSSL_SYS_VMS_NODECC)
-# define OPENSSL_EXPORT globalref
-# define OPENSSL_EXTERN globalref
-# define OPENSSL_GLOBAL globaldef
-# elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
-# define OPENSSL_EXPORT extern __declspec(dllexport)
-# define OPENSSL_EXTERN extern __declspec(dllimport)
-# define OPENSSL_GLOBAL
-# else
-# define OPENSSL_EXPORT extern
-# define OPENSSL_EXTERN extern
-# define OPENSSL_GLOBAL
-# 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) OPENSSL_GLOBAL 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(ssize_t)
-# define ossl_ssize_t int
-# define OSSL_SSIZE_MAX INT_MAX
-# endif
-
-# ifndef ossl_ssize_t
-# define ossl_ssize_t ssize_t
-# define OSSL_SSIZE_MAX SSIZE_MAX
-# 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;
-# define PRIu64 "%Lu"
-# elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
- defined(__osf__) || defined(__sgi) || defined(__hpux) || \
- defined(OPENSSL_SYS_VMS)
-# 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
-
-/*
- * We need a format operator for some client tools for uint64_t. If inttypes.h
- * isn't available or did not define it, just go with hard-coded.
- */
-# ifndef PRIu64
-# ifdef SIXTY_FOUR_BIT_LONG
-# define PRIu64 "lu"
-# else
-# define PRIu64 "llu"
-# endif
-# 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
-
-#ifdef __cplusplus
-}
-#endif
-#endif
+/* e_os2.h */
+/* ====================================================================
+ * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/opensslconf.h>
+
+#ifndef HEADER_E_OS2_H
+#define HEADER_E_OS2_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
+
+/* ----------------------- Macintosh, before MacOS X ----------------------- */
+#if defined(__MWERKS__) && defined(macintosh) || defined(OPENSSL_SYSNAME_MAC)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_MACINTOSH_CLASSIC
+#endif
+
+/* ----------------------- NetWare ----------------------------------------- */
+#if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_NETWARE
+#endif
+
+/* ---------------------- Microsoft operating systems ---------------------- */
+
+/* Note that MSDOS actually denotes 32-bit environments running on top of
+ MS-DOS, such as DJGPP one. */
+#if defined(OPENSSL_SYSNAME_MSDOS)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_MSDOS
+#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... */
+#if defined(OPENSSL_SYSNAME_UWIN)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WIN32_UWIN
+#else
+# if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WIN32_CYGWIN
+# else
+# if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WIN32
+# endif
+# if defined(OPENSSL_SYSNAME_WINNT)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WINNT
+# endif
+# if defined(OPENSSL_SYSNAME_WINCE)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WINCE
+# endif
+# endif
+#endif
+
+/* Anything that tries to look like Microsoft is "Windows" */
+#if defined(OPENSSL_SYS_WIN32) || 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_SYSNAME_VMS)
+# undef OPENSSL_SYS_UNIX
+# 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
+
+/* --------------------------------- OS/2 ---------------------------------- */
+#if defined(__EMX__) || defined(__OS2__)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_OS2
+#endif
+
+/* --------------------------------- Unix ---------------------------------- */
+#ifdef OPENSSL_SYS_UNIX
+# if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
+# define OPENSSL_SYS_LINUX
+# endif
+# ifdef OPENSSL_SYSNAME_MPE
+# define OPENSSL_SYS_MPE
+# endif
+# ifdef OPENSSL_SYSNAME_SNI
+# define OPENSSL_SYS_SNI
+# endif
+# ifdef OPENSSL_SYSNAME_ULTRASPARC
+# define OPENSSL_SYS_ULTRASPARC
+# endif
+# ifdef OPENSSL_SYSNAME_NEWS4
+# define OPENSSL_SYS_NEWS4
+# endif
+# ifdef OPENSSL_SYSNAME_MACOSX
+# define OPENSSL_SYS_MACOSX
+# endif
+# ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY
+# define OPENSSL_SYS_MACOSX_RHAPSODY
+# define OPENSSL_SYS_MACOSX
+# endif
+# ifdef OPENSSL_SYSNAME_SUNOS
+# define OPENSSL_SYS_SUNOS
+#endif
+# if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
+# define OPENSSL_SYS_CRAY
+# endif
+# if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
+# define OPENSSL_SYS_AIX
+# endif
+#endif
+
+/* --------------------------------- VOS ----------------------------------- */
+#if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS)
+# define OPENSSL_SYS_VOS
+#ifdef __HPPA__
+# define OPENSSL_SYS_VOS_HPPA
+#endif
+#ifdef __IA32__
+# define OPENSSL_SYS_VOS_IA32
+#endif
+#endif
+
+/* ------------------------------- VxWorks --------------------------------- */
+#ifdef OPENSSL_SYSNAME_VXWORKS
+# define OPENSSL_SYS_VXWORKS
+#endif
+
+/* --------------------------------- BeOS ---------------------------------- */
+#if defined(__BEOS__)
+# define OPENSSL_SYS_BEOS
+# include <sys/socket.h>
+# if defined(BONE_VERSION)
+# define OPENSSL_SYS_BEOS_BONE
+# else
+# define OPENSSL_SYS_BEOS_R5
+# 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
+
+/* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
+ certain global symbols that, with some compilers under VMS, have to be
+ defined and declared explicitely with globaldef and globalref.
+ Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
+ DLL exports and imports for compilers under Win32. These are a little
+ more complicated to use. 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, OPENSSL_IMPORT and OPENSSL_GLOBAL
+ have some generally sensible values, and for OPENSSL_EXTERN to have the
+ value OPENSSL_IMPORT.
+*/
+
+#if defined(OPENSSL_SYS_VMS_NODECC)
+# define OPENSSL_EXPORT globalref
+# define OPENSSL_IMPORT globalref
+# define OPENSSL_GLOBAL globaldef
+#elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
+# define OPENSSL_EXPORT extern __declspec(dllexport)
+# define OPENSSL_IMPORT extern __declspec(dllimport)
+# define OPENSSL_GLOBAL
+#else
+# define OPENSSL_EXPORT extern
+# define OPENSSL_IMPORT extern
+# define OPENSSL_GLOBAL
+#endif
+#define OPENSSL_EXTERN OPENSSL_IMPORT
+
+/* 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) OPENSSL_GLOBAL type _shadow_##name=value;
+# define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
+# define OPENSSL_GLOBAL_REF(name) _shadow_##name
+#endif
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && macintosh==1 && !defined(MAC_OS_GUSI_SOURCE)
+# define ossl_ssize_t long
+#endif
+
+#ifdef OPENSSL_SYS_MSDOS
+# define ossl_ssize_t long
+#endif
+
+#if defined(NeXT) || defined(OPENSSL_SYS_NEWS4) || defined(OPENSSL_SYS_SUNOS)
+# define ssize_t int
+#endif
+
+#if defined(__ultrix) && !defined(ssize_t)
+# define ossl_ssize_t int
+#endif
+
+#ifndef ossl_ssize_t
+# define ossl_ssize_t ssize_t
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif