e_os2.h
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- /* 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 ----------------------------------- */
- #ifdef OPENSSL_SYSNAME_VOS
- # define OPENSSL_SYS_VOS
- #endif
- /* ------------------------------- VxWorks --------------------------------- */
- #ifdef OPENSSL_SYSNAME_VXWORKS
- # define OPENSSL_SYS_VXWORKS
- #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 requvres 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)
- extern type _hide_##name;
- type *_shadow_##name(void) { return &_hide_##name; }
- static type _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) OPENSSL_GLOBAL type _shadow_##name
- # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
- # define OPENSSL_GLOBAL_REF(name) _shadow_##name
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif