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2a4a0a34 | 1 | /* e_os2.h */ |
cf1b7d96 RL |
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 | */ | |
2a4a0a34 | 55 | |
1961b327 RL |
56 | #include <openssl/opensslconf.h> |
57 | ||
2a4a0a34 BM |
58 | #ifndef HEADER_E_OS2_H |
59 | #define HEADER_E_OS2_H | |
60 | ||
61 | #ifdef __cplusplus | |
62 | extern "C" { | |
63 | #endif | |
64 | ||
cf1b7d96 RL |
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 | ||
4d8743f4 RL |
79 | /* ----------------------- NetWare ----------------------------------------- */ |
80 | #if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE) | |
81 | # undef OPENSSL_SYS_UNIX | |
82 | # define OPENSSL_SYS_NETWARE | |
83 | #endif | |
84 | ||
cf1b7d96 RL |
85 | /* ---------------------- Microsoft operating systems ---------------------- */ |
86 | ||
cf1b7d96 RL |
87 | /* For 32 bit environment, there seems to be the CygWin environment and then |
88 | all the others that try to do the same thing Microsoft does... */ | |
c69d1039 | 89 | #if defined(OPENSSL_SYSNAME_UWIN) |
cf1b7d96 | 90 | # undef OPENSSL_SYS_UNIX |
c69d1039 | 91 | # define OPENSSL_SYS_WIN32_UWIN |
cf1b7d96 | 92 | #else |
c69d1039 | 93 | # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32) |
cf1b7d96 | 94 | # undef OPENSSL_SYS_UNIX |
c69d1039 RL |
95 | # define OPENSSL_SYS_WIN32_CYGWIN |
96 | # else | |
97 | # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32) | |
98 | # undef OPENSSL_SYS_UNIX | |
99 | # define OPENSSL_SYS_WIN32 | |
100 | # endif | |
101 | # if defined(OPENSSL_SYSNAME_WINNT) | |
102 | # undef OPENSSL_SYS_UNIX | |
103 | # define OPENSSL_SYS_WINNT | |
104 | # endif | |
0bf23d9b RL |
105 | # if defined(OPENSSL_SYSNAME_WINCE) |
106 | # undef OPENSSL_SYS_UNIX | |
107 | # define OPENSSL_SYS_WINCE | |
108 | # endif | |
cf1b7d96 RL |
109 | # endif |
110 | #endif | |
111 | ||
112 | /* Anything that tries to look like Microsoft is "Windows" */ | |
6321c3a0 | 113 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) |
cf1b7d96 RL |
114 | # undef OPENSSL_SYS_UNIX |
115 | # define OPENSSL_SYS_WINDOWS | |
1961b327 RL |
116 | # ifndef OPENSSL_SYS_MSDOS |
117 | # define OPENSSL_SYS_MSDOS | |
118 | # endif | |
cf1b7d96 RL |
119 | #endif |
120 | ||
5cac59b6 RL |
121 | /* DLL settings. This part is a bit tough, because it's up to the application |
122 | implementor how he or she will link the application, so it requires some | |
123 | macro to be used. */ | |
124 | #ifdef OPENSSL_SYS_WINDOWS | |
125 | # ifndef OPENSSL_OPT_WINDLL | |
126 | # if defined(_WINDLL) /* This is used when building OpenSSL to indicate that | |
127 | DLL linkage should be used */ | |
128 | # define OPENSSL_OPT_WINDLL | |
5cac59b6 RL |
129 | # endif |
130 | # endif | |
131 | #endif | |
132 | ||
cf1b7d96 RL |
133 | /* -------------------------------- OpenVMS -------------------------------- */ |
134 | #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS) | |
135 | # undef OPENSSL_SYS_UNIX | |
136 | # define OPENSSL_SYS_VMS | |
137 | # if defined(__DECC) | |
138 | # define OPENSSL_SYS_VMS_DECC | |
d8425465 RL |
139 | # elif defined(__DECCXX) |
140 | # define OPENSSL_SYS_VMS_DECC | |
141 | # define OPENSSL_SYS_VMS_DECCXX | |
cf1b7d96 RL |
142 | # else |
143 | # define OPENSSL_SYS_VMS_NODECC | |
144 | # endif | |
145 | #endif | |
146 | ||
dc01b6b1 RL |
147 | /* --------------------------------- OS/2 ---------------------------------- */ |
148 | #if defined(__EMX__) || defined(__OS2__) | |
149 | # undef OPENSSL_SYS_UNIX | |
150 | # define OPENSSL_SYS_OS2 | |
151 | #endif | |
152 | ||
cf1b7d96 RL |
153 | /* --------------------------------- Unix ---------------------------------- */ |
154 | #ifdef OPENSSL_SYS_UNIX | |
1a19f83d | 155 | # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX) |
cf1b7d96 RL |
156 | # define OPENSSL_SYS_LINUX |
157 | # endif | |
158 | # ifdef OPENSSL_SYSNAME_MPE | |
159 | # define OPENSSL_SYS_MPE | |
160 | # endif | |
161 | # ifdef OPENSSL_SYSNAME_SNI | |
162 | # define OPENSSL_SYS_SNI | |
163 | # endif | |
164 | # ifdef OPENSSL_SYSNAME_ULTRASPARC | |
165 | # define OPENSSL_SYS_ULTRASPARC | |
166 | # endif | |
167 | # ifdef OPENSSL_SYSNAME_NEWS4 | |
168 | # define OPENSSL_SYS_NEWS4 | |
169 | # endif | |
170 | # ifdef OPENSSL_SYSNAME_MACOSX | |
171 | # define OPENSSL_SYS_MACOSX | |
172 | # endif | |
832f9304 RL |
173 | # ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY |
174 | # define OPENSSL_SYS_MACOSX_RHAPSODY | |
175 | # define OPENSSL_SYS_MACOSX | |
176 | # endif | |
0709385d RL |
177 | # ifdef OPENSSL_SYSNAME_SUNOS |
178 | # define OPENSSL_SYS_SUNOS | |
179 | #endif | |
cf1b7d96 RL |
180 | # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY) |
181 | # define OPENSSL_SYS_CRAY | |
182 | # endif | |
183 | # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX) | |
184 | # define OPENSSL_SYS_AIX | |
185 | # endif | |
186 | #endif | |
187 | ||
28a80034 RL |
188 | /* --------------------------------- VOS ----------------------------------- */ |
189 | #ifdef OPENSSL_SYSNAME_VOS | |
190 | # define OPENSSL_SYS_VOS | |
191 | #endif | |
192 | ||
6a89a25c RL |
193 | /* ------------------------------- VxWorks --------------------------------- */ |
194 | #ifdef OPENSSL_SYSNAME_VXWORKS | |
195 | # define OPENSSL_SYS_VXWORKS | |
196 | #endif | |
197 | ||
cf1b7d96 RL |
198 | /** |
199 | * That's it for OS-specific stuff | |
200 | *****************************************************************************/ | |
201 | ||
202 | ||
203 | /* Specials for I/O an exit */ | |
abfc6a3a | 204 | #ifdef OPENSSL_SYS_MSDOS |
e766a681 BM |
205 | # define OPENSSL_UNISTD_IO <io.h> |
206 | # define OPENSSL_DECLARE_EXIT extern void exit(int); | |
207 | #else | |
208 | # define OPENSSL_UNISTD_IO OPENSSL_UNISTD | |
209 | # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ | |
210 | #endif | |
211 | ||
21cd4378 RL |
212 | /* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare |
213 | certain global symbols that, with some compilers under VMS, have to be | |
214 | defined and declared explicitely with globaldef and globalref. | |
215 | Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare | |
216 | DLL exports and imports for compilers under Win32. These are a little | |
217 | more complicated to use. Basically, for any library that exports some | |
218 | global variables, the following code must be present in the header file | |
219 | that declares them, before OPENSSL_EXTERN is used: | |
220 | ||
221 | #ifdef SOME_BUILD_FLAG_MACRO | |
222 | # undef OPENSSL_EXTERN | |
223 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
224 | #endif | |
225 | ||
226 | The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL | |
227 | have some generally sensible values, and for OPENSSL_EXTERN to have the | |
228 | value OPENSSL_IMPORT. | |
229 | */ | |
2a4a0a34 | 230 | |
cf1b7d96 | 231 | #if defined(OPENSSL_SYS_VMS_NODECC) |
21cd4378 RL |
232 | # define OPENSSL_EXPORT globalref |
233 | # define OPENSSL_IMPORT globalref | |
2a4a0a34 | 234 | # define OPENSSL_GLOBAL globaldef |
5cac59b6 | 235 | #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) |
4f1c33b4 AP |
236 | # define OPENSSL_EXPORT extern __declspec(dllexport) |
237 | # define OPENSSL_IMPORT extern __declspec(dllimport) | |
21cd4378 | 238 | # define OPENSSL_GLOBAL |
2a4a0a34 | 239 | #else |
21cd4378 RL |
240 | # define OPENSSL_EXPORT extern |
241 | # define OPENSSL_IMPORT extern | |
2a4a0a34 BM |
242 | # define OPENSSL_GLOBAL |
243 | #endif | |
21cd4378 | 244 | #define OPENSSL_EXTERN OPENSSL_IMPORT |
2a4a0a34 | 245 | |
62dc5aad RL |
246 | /* Macros to allow global variables to be reached through function calls when |
247 | required (if a shared library version requvres it, for example. | |
248 | The way it's done allows definitions like this: | |
249 | ||
250 | // in foobar.c | |
251 | OPENSSL_IMPLEMENT_GLOBAL(int,foobar) = 0; | |
252 | // in foobar.h | |
253 | OPENSSL_DECLARE_GLOBAL(int,foobar); | |
254 | #define foobar OPENSSL_GLOBAL_REF(foobar) | |
255 | */ | |
256 | #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION | |
45918505 | 257 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) \ |
c05a7f5d | 258 | extern type _hide_##name; \ |
45918505 RL |
259 | type *_shadow_##name(void) { return &_hide_##name; } \ |
260 | static type _hide_##name | |
62dc5aad RL |
261 | # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) |
262 | # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) | |
263 | #else | |
264 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) OPENSSL_GLOBAL type _shadow_##name | |
265 | # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name | |
266 | # define OPENSSL_GLOBAL_REF(name) _shadow_##name | |
267 | #endif | |
268 | ||
2a4a0a34 BM |
269 | #ifdef __cplusplus |
270 | } | |
271 | #endif | |
272 | #endif |