e_os2.h revision 280304 
1/* e_os2.h */
2/* ====================================================================
3 * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the
15 *    distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 *    software must display the following acknowledgment:
19 *    "This product includes software developed by the OpenSSL Project
20 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 *    endorse or promote products derived from this software without
24 *    prior written permission. For written permission, please contact
25 *    openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 *    nor may "OpenSSL" appear in their names without prior written
29 *    permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 *    acknowledgment:
33 *    "This product includes software developed by the OpenSSL Project
34 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com).  This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56#include <openssl/opensslconf.h>
57
58#ifndef HEADER_E_OS2_H
59# define HEADER_E_OS2_H
60
61#ifdef  __cplusplus
62extern "C" {
63#endif
64
65/******************************************************************************
66 * Detect operating systems.  This probably needs completing.
67 * The result is that at least one OPENSSL_SYS_os macro should be defined.
68 * However, if none is defined, Unix is assumed.
69 **/
70
71# define OPENSSL_SYS_UNIX
72
73/* ---------------------- Macintosh, before MacOS X ----------------------- */
74# if defined(__MWERKS__) && defined(macintosh) || defined(OPENSSL_SYSNAME_MAC)
75#  undef OPENSSL_SYS_UNIX
76#  define OPENSSL_SYS_MACINTOSH_CLASSIC
77# endif
78
79/* ---------------------- NetWare ----------------------------------------- */
80# if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE)
81#  undef OPENSSL_SYS_UNIX
82#  define OPENSSL_SYS_NETWARE
83# endif
84
85/* --------------------- Microsoft operating systems ---------------------- */
86
87/*
88 * Note that MSDOS actually denotes 32-bit environments running on top of
89 * MS-DOS, such as DJGPP one.
90 */
91# if defined(OPENSSL_SYSNAME_MSDOS)
92#  undef OPENSSL_SYS_UNIX
93#  define OPENSSL_SYS_MSDOS
94# endif
95
96/*
97 * For 32 bit environment, there seems to be the CygWin environment and then
98 * all the others that try to do the same thing Microsoft does...
99 */
100# if defined(OPENSSL_SYSNAME_UWIN)
101#  undef OPENSSL_SYS_UNIX
102#  define OPENSSL_SYS_WIN32_UWIN
103# else
104#  if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
105#   undef OPENSSL_SYS_UNIX
106#   define OPENSSL_SYS_WIN32_CYGWIN
107#  else
108#   if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
109#    undef OPENSSL_SYS_UNIX
110#    define OPENSSL_SYS_WIN32
111#   endif
112#   if defined(OPENSSL_SYSNAME_WINNT)
113#    undef OPENSSL_SYS_UNIX
114#    define OPENSSL_SYS_WINNT
115#   endif
116#   if defined(OPENSSL_SYSNAME_WINCE)
117#    undef OPENSSL_SYS_UNIX
118#    define OPENSSL_SYS_WINCE
119#   endif
120#  endif
121# endif
122
123/* Anything that tries to look like Microsoft is "Windows" */
124# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
125#  undef OPENSSL_SYS_UNIX
126#  define OPENSSL_SYS_WINDOWS
127#  ifndef OPENSSL_SYS_MSDOS
128#   define OPENSSL_SYS_MSDOS
129#  endif
130# endif
131
132/*
133 * DLL settings.  This part is a bit tough, because it's up to the
134 * application implementor how he or she will link the application, so it
135 * requires some macro to be used.
136 */
137# ifdef OPENSSL_SYS_WINDOWS
138#  ifndef OPENSSL_OPT_WINDLL
139#   if defined(_WINDLL)         /* This is used when building OpenSSL to
140                                 * indicate that DLL linkage should be used */
141#    define OPENSSL_OPT_WINDLL
142#   endif
143#  endif
144# endif
145
146/* ------------------------------- OpenVMS -------------------------------- */
147# if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
148#  undef OPENSSL_SYS_UNIX
149#  define OPENSSL_SYS_VMS
150#  if defined(__DECC)
151#   define OPENSSL_SYS_VMS_DECC
152#  elif defined(__DECCXX)
153#   define OPENSSL_SYS_VMS_DECC
154#   define OPENSSL_SYS_VMS_DECCXX
155#  else
156#   define OPENSSL_SYS_VMS_NODECC
157#  endif
158# endif
159
160/* -------------------------------- OS/2 ---------------------------------- */
161# if defined(__EMX__) || defined(__OS2__)
162#  undef OPENSSL_SYS_UNIX
163#  define OPENSSL_SYS_OS2
164# endif
165
166/* -------------------------------- Unix ---------------------------------- */
167# ifdef OPENSSL_SYS_UNIX
168#  if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
169#   define OPENSSL_SYS_LINUX
170#  endif
171#  ifdef OPENSSL_SYSNAME_MPE
172#   define OPENSSL_SYS_MPE
173#  endif
174#  ifdef OPENSSL_SYSNAME_SNI
175#   define OPENSSL_SYS_SNI
176#  endif
177#  ifdef OPENSSL_SYSNAME_ULTRASPARC
178#   define OPENSSL_SYS_ULTRASPARC
179#  endif
180#  ifdef OPENSSL_SYSNAME_NEWS4
181#   define OPENSSL_SYS_NEWS4
182#  endif
183#  ifdef OPENSSL_SYSNAME_MACOSX
184#   define OPENSSL_SYS_MACOSX
185#  endif
186#  ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY
187#   define OPENSSL_SYS_MACOSX_RHAPSODY
188#   define OPENSSL_SYS_MACOSX
189#  endif
190#  ifdef OPENSSL_SYSNAME_SUNOS
191#   define OPENSSL_SYS_SUNOS
192#  endif
193#  if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
194#   define OPENSSL_SYS_CRAY
195#  endif
196#  if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
197#   define OPENSSL_SYS_AIX
198#  endif
199# endif
200
201/* -------------------------------- VOS ----------------------------------- */
202# if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS)
203#  define OPENSSL_SYS_VOS
204#  ifdef __HPPA__
205#   define OPENSSL_SYS_VOS_HPPA
206#  endif
207#  ifdef __IA32__
208#   define OPENSSL_SYS_VOS_IA32
209#  endif
210# endif
211
212/* ------------------------------ VxWorks --------------------------------- */
213# ifdef OPENSSL_SYSNAME_VXWORKS
214#  define OPENSSL_SYS_VXWORKS
215# endif
216
217/* -------------------------------- BeOS ---------------------------------- */
218# if defined(__BEOS__)
219#  define OPENSSL_SYS_BEOS
220#  include <sys/socket.h>
221#  if defined(BONE_VERSION)
222#   define OPENSSL_SYS_BEOS_BONE
223#  else
224#   define OPENSSL_SYS_BEOS_R5
225#  endif
226# endif
227
228/**
229 * That's it for OS-specific stuff
230 *****************************************************************************/
231
232/* Specials for I/O an exit */
233# ifdef OPENSSL_SYS_MSDOS
234#  define OPENSSL_UNISTD_IO <io.h>
235#  define OPENSSL_DECLARE_EXIT extern void exit(int);
236# else
237#  define OPENSSL_UNISTD_IO OPENSSL_UNISTD
238#  define OPENSSL_DECLARE_EXIT  /* declared in unistd.h */
239# endif
240
241/*-
242 * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
243 * certain global symbols that, with some compilers under VMS, have to be
244 * defined and declared explicitely with globaldef and globalref.
245 * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
246 * DLL exports and imports for compilers under Win32.  These are a little
247 * more complicated to use.  Basically, for any library that exports some
248 * global variables, the following code must be present in the header file
249 * that declares them, before OPENSSL_EXTERN is used:
250 *
251 * #ifdef SOME_BUILD_FLAG_MACRO
252 * # undef OPENSSL_EXTERN
253 * # define OPENSSL_EXTERN OPENSSL_EXPORT
254 * #endif
255 *
256 * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
257 * have some generally sensible values, and for OPENSSL_EXTERN to have the
258 * value OPENSSL_IMPORT.
259 */
260
261# if defined(OPENSSL_SYS_VMS_NODECC)
262#  define OPENSSL_EXPORT globalref
263#  define OPENSSL_IMPORT globalref
264#  define OPENSSL_GLOBAL globaldef
265# elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
266#  define OPENSSL_EXPORT extern __declspec(dllexport)
267#  define OPENSSL_IMPORT extern __declspec(dllimport)
268#  define OPENSSL_GLOBAL
269# else
270#  define OPENSSL_EXPORT extern
271#  define OPENSSL_IMPORT extern
272#  define OPENSSL_GLOBAL
273# endif
274# define OPENSSL_EXTERN OPENSSL_IMPORT
275
276/*-
277 * Macros to allow global variables to be reached through function calls when
278 * required (if a shared library version requires it, for example.
279 * The way it's done allows definitions like this:
280 *
281 *      // in foobar.c
282 *      OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
283 *      // in foobar.h
284 *      OPENSSL_DECLARE_GLOBAL(int,foobar);
285 *      #define foobar OPENSSL_GLOBAL_REF(foobar)
286 */
287# ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
288#  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value)                      \
289        type *_shadow_##name(void)                                      \
290        { static type _hide_##name=value; return &_hide_##name; }
291#  define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
292#  define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
293# else
294#  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
295#  define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
296#  define OPENSSL_GLOBAL_REF(name) _shadow_##name
297# endif
298
299# if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && macintosh==1 && !defined(MAC_OS_GUSI_SOURCE)
300#  define ossl_ssize_t long
301# endif
302
303# ifdef OPENSSL_SYS_MSDOS
304#  define ossl_ssize_t long
305# endif
306
307# if defined(NeXT) || defined(OPENSSL_SYS_NEWS4) || defined(OPENSSL_SYS_SUNOS)
308#  define ssize_t int
309# endif
310
311# if defined(__ultrix) && !defined(ssize_t)
312#  define ossl_ssize_t int
313# endif
314
315# ifndef ossl_ssize_t
316#  define ossl_ssize_t ssize_t
317# endif
318
319#ifdef  __cplusplus
320}
321#endif
322#endif
323