xref: /minix/crypto/external/bsd/openssl/dist/e_os2.h (revision 0a6a1f1d)
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
62 extern "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(_WIN64) || defined(OPENSSL_SYSNAME_WIN64)
113 #    undef OPENSSL_SYS_UNIX
114 #    if !defined(OPENSSL_SYS_WIN64)
115 #     define OPENSSL_SYS_WIN64
116 #    endif
117 #   endif
118 #   if defined(OPENSSL_SYSNAME_WINNT)
119 #    undef OPENSSL_SYS_UNIX
120 #    define OPENSSL_SYS_WINNT
121 #   endif
122 #   if defined(OPENSSL_SYSNAME_WINCE)
123 #    undef OPENSSL_SYS_UNIX
124 #    define OPENSSL_SYS_WINCE
125 #   endif
126 #  endif
127 # endif
128 
129 /* Anything that tries to look like Microsoft is "Windows" */
130 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
131 #  undef OPENSSL_SYS_UNIX
132 #  define OPENSSL_SYS_WINDOWS
133 #  ifndef OPENSSL_SYS_MSDOS
134 #   define OPENSSL_SYS_MSDOS
135 #  endif
136 # endif
137 
138 /*
139  * DLL settings.  This part is a bit tough, because it's up to the
140  * application implementor how he or she will link the application, so it
141  * requires some macro to be used.
142  */
143 # ifdef OPENSSL_SYS_WINDOWS
144 #  ifndef OPENSSL_OPT_WINDLL
145 #   if defined(_WINDLL)         /* This is used when building OpenSSL to
146                                  * indicate that DLL linkage should be used */
147 #    define OPENSSL_OPT_WINDLL
148 #   endif
149 #  endif
150 # endif
151 
152 /* ------------------------------- OpenVMS -------------------------------- */
153 # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
154 #  undef OPENSSL_SYS_UNIX
155 #  define OPENSSL_SYS_VMS
156 #  if defined(__DECC)
157 #   define OPENSSL_SYS_VMS_DECC
158 #  elif defined(__DECCXX)
159 #   define OPENSSL_SYS_VMS_DECC
160 #   define OPENSSL_SYS_VMS_DECCXX
161 #  else
162 #   define OPENSSL_SYS_VMS_NODECC
163 #  endif
164 # endif
165 
166 /* -------------------------------- OS/2 ---------------------------------- */
167 # if defined(__EMX__) || defined(__OS2__)
168 #  undef OPENSSL_SYS_UNIX
169 #  define OPENSSL_SYS_OS2
170 # endif
171 
172 /* -------------------------------- Unix ---------------------------------- */
173 # ifdef OPENSSL_SYS_UNIX
174 #  if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
175 #   define OPENSSL_SYS_LINUX
176 #  endif
177 #  ifdef OPENSSL_SYSNAME_MPE
178 #   define OPENSSL_SYS_MPE
179 #  endif
180 #  ifdef OPENSSL_SYSNAME_SNI
181 #   define OPENSSL_SYS_SNI
182 #  endif
183 #  ifdef OPENSSL_SYSNAME_ULTRASPARC
184 #   define OPENSSL_SYS_ULTRASPARC
185 #  endif
186 #  ifdef OPENSSL_SYSNAME_NEWS4
187 #   define OPENSSL_SYS_NEWS4
188 #  endif
189 #  ifdef OPENSSL_SYSNAME_MACOSX
190 #   define OPENSSL_SYS_MACOSX
191 #  endif
192 #  ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY
193 #   define OPENSSL_SYS_MACOSX_RHAPSODY
194 #   define OPENSSL_SYS_MACOSX
195 #  endif
196 #  ifdef OPENSSL_SYSNAME_SUNOS
197 #   define OPENSSL_SYS_SUNOS
198 #  endif
199 #  if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
200 #   define OPENSSL_SYS_CRAY
201 #  endif
202 #  if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
203 #   define OPENSSL_SYS_AIX
204 #  endif
205 # endif
206 
207 /* -------------------------------- VOS ----------------------------------- */
208 # if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS)
209 #  define OPENSSL_SYS_VOS
210 #  ifdef __HPPA__
211 #   define OPENSSL_SYS_VOS_HPPA
212 #  endif
213 #  ifdef __IA32__
214 #   define OPENSSL_SYS_VOS_IA32
215 #  endif
216 # endif
217 
218 /* ------------------------------ VxWorks --------------------------------- */
219 # ifdef OPENSSL_SYSNAME_VXWORKS
220 #  define OPENSSL_SYS_VXWORKS
221 # endif
222 
223 /* -------------------------------- BeOS ---------------------------------- */
224 # if defined(__BEOS__)
225 #  define OPENSSL_SYS_BEOS
226 #  include <sys/socket.h>
227 #  if defined(BONE_VERSION)
228 #   define OPENSSL_SYS_BEOS_BONE
229 #  else
230 #   define OPENSSL_SYS_BEOS_R5
231 #  endif
232 # endif
233 
234 /**
235  * That's it for OS-specific stuff
236  *****************************************************************************/
237 
238 /* Specials for I/O an exit */
239 # ifdef OPENSSL_SYS_MSDOS
240 #  define OPENSSL_UNISTD_IO <io.h>
241 #  define OPENSSL_DECLARE_EXIT extern void exit(int);
242 # else
243 #  define OPENSSL_UNISTD_IO OPENSSL_UNISTD
244 #  define OPENSSL_DECLARE_EXIT  /* declared in unistd.h */
245 # endif
246 
247 /*-
248  * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
249  * certain global symbols that, with some compilers under VMS, have to be
250  * defined and declared explicitely with globaldef and globalref.
251  * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
252  * DLL exports and imports for compilers under Win32.  These are a little
253  * more complicated to use.  Basically, for any library that exports some
254  * global variables, the following code must be present in the header file
255  * that declares them, before OPENSSL_EXTERN is used:
256  *
257  * #ifdef SOME_BUILD_FLAG_MACRO
258  * # undef OPENSSL_EXTERN
259  * # define OPENSSL_EXTERN OPENSSL_EXPORT
260  * #endif
261  *
262  * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
263  * have some generally sensible values, and for OPENSSL_EXTERN to have the
264  * value OPENSSL_IMPORT.
265  */
266 
267 # if defined(OPENSSL_SYS_VMS_NODECC)
268 #  define OPENSSL_EXPORT globalref
269 #  define OPENSSL_IMPORT globalref
270 #  define OPENSSL_GLOBAL globaldef
271 # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
272 #  define OPENSSL_EXPORT extern __declspec(dllexport)
273 #  define OPENSSL_IMPORT extern __declspec(dllimport)
274 #  define OPENSSL_GLOBAL
275 # else
276 #  define OPENSSL_EXPORT extern
277 #  define OPENSSL_IMPORT extern
278 #  define OPENSSL_GLOBAL
279 # endif
280 # define OPENSSL_EXTERN OPENSSL_IMPORT
281 
282 /*-
283  * Macros to allow global variables to be reached through function calls when
284  * required (if a shared library version requires it, for example.
285  * The way it's done allows definitions like this:
286  *
287  *      // in foobar.c
288  *      OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
289  *      // in foobar.h
290  *      OPENSSL_DECLARE_GLOBAL(int,foobar);
291  *      #define foobar OPENSSL_GLOBAL_REF(foobar)
292  */
293 # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
294 #  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value)                      \
295         type *_shadow_##name(void)                                      \
296         { static type _hide_##name=value; return &_hide_##name; }
297 #  define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
298 #  define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
299 # else
300 #  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
301 #  define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
302 #  define OPENSSL_GLOBAL_REF(name) _shadow_##name
303 # endif
304 
305 # if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && macintosh==1 && !defined(MAC_OS_GUSI_SOURCE)
306 #  define ossl_ssize_t long
307 # endif
308 
309 # ifdef OPENSSL_SYS_MSDOS
310 #  define ossl_ssize_t long
311 # endif
312 
313 # if defined(NeXT) || defined(OPENSSL_SYS_NEWS4) || defined(OPENSSL_SYS_SUNOS)
314 #  define ssize_t int
315 # endif
316 
317 # if defined(__ultrix) && !defined(ssize_t)
318 #  define ossl_ssize_t int
319 # endif
320 
321 # ifndef ossl_ssize_t
322 #  define ossl_ssize_t ssize_t
323 # endif
324 
325 #ifdef  __cplusplus
326 }
327 #endif
328 #endif
329