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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 | ||
79 | /* ---------------------- Microsoft operating systems ---------------------- */ | |
80 | ||
81 | /* The 16 bit environments are pretty straightforward */ | |
82 | #if defined(OPENSSL_SYSNAME_WIN16) || defined(OPENSSL_SYSNAME_MSDOS) | |
83 | # undef OPENSSL_SYS_UNIX | |
84 | # define OPENSSL_SYS_MSDOS | |
85 | #endif | |
86 | #if defined(OPENSSL_SYSNAME_WIN16) | |
87 | # undef OPENSSL_SYS_UNIX | |
88 | # define OPENSSL_SYS_WIN16 | |
89 | #endif | |
90 | ||
91 | /* For 32 bit environment, there seems to be the CygWin environment and then | |
92 | all the others that try to do the same thing Microsoft does... */ | |
93 | #if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32) | |
94 | # undef OPENSSL_SYS_UNIX | |
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 | |
105 | #endif | |
106 | ||
107 | /* Anything that tries to look like Microsoft is "Windows" */ | |
108 | #if defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) | |
109 | # undef OPENSSL_SYS_UNIX | |
110 | # define OPENSSL_SYS_WINDOWS | |
1961b327 RL |
111 | # ifndef OPENSSL_SYS_MSDOS |
112 | # define OPENSSL_SYS_MSDOS | |
113 | # endif | |
cf1b7d96 RL |
114 | #endif |
115 | ||
5cac59b6 RL |
116 | /* DLL settings. This part is a bit tough, because it's up to the application |
117 | implementor how he or she will link the application, so it requires some | |
118 | macro to be used. */ | |
119 | #ifdef OPENSSL_SYS_WINDOWS | |
120 | # ifndef OPENSSL_OPT_WINDLL | |
121 | # if defined(_WINDLL) /* This is used when building OpenSSL to indicate that | |
122 | DLL linkage should be used */ | |
123 | # define OPENSSL_OPT_WINDLL | |
5cac59b6 RL |
124 | # endif |
125 | # endif | |
126 | #endif | |
127 | ||
cf1b7d96 RL |
128 | /* -------------------------------- OpenVMS -------------------------------- */ |
129 | #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS) | |
130 | # undef OPENSSL_SYS_UNIX | |
131 | # define OPENSSL_SYS_VMS | |
132 | # if defined(__DECC) | |
133 | # define OPENSSL_SYS_VMS_DECC | |
134 | # else | |
135 | # define OPENSSL_SYS_VMS_NODECC | |
136 | # endif | |
137 | #endif | |
138 | ||
dc01b6b1 RL |
139 | /* --------------------------------- OS/2 ---------------------------------- */ |
140 | #if defined(__EMX__) || defined(__OS2__) | |
141 | # undef OPENSSL_SYS_UNIX | |
142 | # define OPENSSL_SYS_OS2 | |
143 | #endif | |
144 | ||
cf1b7d96 RL |
145 | /* --------------------------------- Unix ---------------------------------- */ |
146 | #ifdef OPENSSL_SYS_UNIX | |
1a19f83d | 147 | # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX) |
cf1b7d96 RL |
148 | # define OPENSSL_SYS_LINUX |
149 | # endif | |
150 | # ifdef OPENSSL_SYSNAME_MPE | |
151 | # define OPENSSL_SYS_MPE | |
152 | # endif | |
153 | # ifdef OPENSSL_SYSNAME_SNI | |
154 | # define OPENSSL_SYS_SNI | |
155 | # endif | |
156 | # ifdef OPENSSL_SYSNAME_ULTRASPARC | |
157 | # define OPENSSL_SYS_ULTRASPARC | |
158 | # endif | |
159 | # ifdef OPENSSL_SYSNAME_NEWS4 | |
160 | # define OPENSSL_SYS_NEWS4 | |
161 | # endif | |
162 | # ifdef OPENSSL_SYSNAME_MACOSX | |
163 | # define OPENSSL_SYS_MACOSX | |
164 | # endif | |
165 | # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY) | |
166 | # define OPENSSL_SYS_CRAY | |
167 | # endif | |
168 | # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX) | |
169 | # define OPENSSL_SYS_AIX | |
170 | # endif | |
171 | #endif | |
172 | ||
173 | /** | |
174 | * That's it for OS-specific stuff | |
175 | *****************************************************************************/ | |
176 | ||
177 | ||
178 | /* Specials for I/O an exit */ | |
179 | #ifdef OPENSSL_SYS_MSDOS | |
e766a681 BM |
180 | # define OPENSSL_UNISTD_IO <io.h> |
181 | # define OPENSSL_DECLARE_EXIT extern void exit(int); | |
182 | #else | |
183 | # define OPENSSL_UNISTD_IO OPENSSL_UNISTD | |
184 | # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ | |
185 | #endif | |
186 | ||
21cd4378 RL |
187 | /* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare |
188 | certain global symbols that, with some compilers under VMS, have to be | |
189 | defined and declared explicitely with globaldef and globalref. | |
190 | Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare | |
191 | DLL exports and imports for compilers under Win32. These are a little | |
192 | more complicated to use. Basically, for any library that exports some | |
193 | global variables, the following code must be present in the header file | |
194 | that declares them, before OPENSSL_EXTERN is used: | |
195 | ||
196 | #ifdef SOME_BUILD_FLAG_MACRO | |
197 | # undef OPENSSL_EXTERN | |
198 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
199 | #endif | |
200 | ||
201 | The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL | |
202 | have some generally sensible values, and for OPENSSL_EXTERN to have the | |
203 | value OPENSSL_IMPORT. | |
204 | */ | |
2a4a0a34 | 205 | |
cf1b7d96 | 206 | #if defined(OPENSSL_SYS_VMS_NODECC) |
21cd4378 RL |
207 | # define OPENSSL_EXPORT globalref |
208 | # define OPENSSL_IMPORT globalref | |
2a4a0a34 | 209 | # define OPENSSL_GLOBAL globaldef |
5cac59b6 | 210 | #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) |
21cd4378 RL |
211 | # define OPENSSL_EXPORT extern _declspec(dllexport) |
212 | # define OPENSSL_IMPORT extern _declspec(dllimport) | |
213 | # define OPENSSL_GLOBAL | |
2a4a0a34 | 214 | #else |
21cd4378 RL |
215 | # define OPENSSL_EXPORT extern |
216 | # define OPENSSL_IMPORT extern | |
2a4a0a34 BM |
217 | # define OPENSSL_GLOBAL |
218 | #endif | |
21cd4378 | 219 | #define OPENSSL_EXTERN OPENSSL_IMPORT |
2a4a0a34 | 220 | |
62dc5aad RL |
221 | /* Macros to allow global variables to be reached through function calls when |
222 | required (if a shared library version requvres it, for example. | |
223 | The way it's done allows definitions like this: | |
224 | ||
225 | // in foobar.c | |
226 | OPENSSL_IMPLEMENT_GLOBAL(int,foobar) = 0; | |
227 | // in foobar.h | |
228 | OPENSSL_DECLARE_GLOBAL(int,foobar); | |
229 | #define foobar OPENSSL_GLOBAL_REF(foobar) | |
230 | */ | |
231 | #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION | |
99c65cef | 232 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) static type _hide_##name; \ |
4831e626 | 233 | type *_shadow_##name(void) { return &_hide_##name; } \ |
62dc5aad RL |
234 | static type _hide_##name |
235 | # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) | |
236 | # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) | |
237 | #else | |
238 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) OPENSSL_GLOBAL type _shadow_##name | |
239 | # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name | |
240 | # define OPENSSL_GLOBAL_REF(name) _shadow_##name | |
241 | #endif | |
242 | ||
2a4a0a34 BM |
243 | #ifdef __cplusplus |
244 | } | |
245 | #endif | |
246 | #endif |