1 | /* |
2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at |
7 | * https://www.openssl.org/source/license.html |
8 | */ |
9 | |
10 | #ifndef OPENSSL_E_OS2_H |
11 | # define OPENSSL_E_OS2_H |
12 | # pragma once |
13 | |
14 | # include <openssl/macros.h> |
15 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
16 | # define |
17 | # endif |
18 | |
19 | # include <openssl/opensslconf.h> |
20 | |
21 | #ifdef __cplusplus |
22 | extern "C" { |
23 | #endif |
24 | |
25 | /****************************************************************************** |
26 | * Detect operating systems. This probably needs completing. |
27 | * The result is that at least one OPENSSL_SYS_os macro should be defined. |
28 | * However, if none is defined, Unix is assumed. |
29 | **/ |
30 | |
31 | # define OPENSSL_SYS_UNIX |
32 | |
33 | /* --------------------- Microsoft operating systems ---------------------- */ |
34 | |
35 | /* |
36 | * Note that MSDOS actually denotes 32-bit environments running on top of |
37 | * MS-DOS, such as DJGPP one. |
38 | */ |
39 | # if defined(OPENSSL_SYS_MSDOS) |
40 | # undef OPENSSL_SYS_UNIX |
41 | # endif |
42 | |
43 | /* |
44 | * For 32 bit environment, there seems to be the CygWin environment and then |
45 | * all the others that try to do the same thing Microsoft does... |
46 | */ |
47 | /* |
48 | * UEFI lives here because it might be built with a Microsoft toolchain and |
49 | * we need to avoid the false positive match on Windows. |
50 | */ |
51 | # if defined(OPENSSL_SYS_UEFI) |
52 | # undef OPENSSL_SYS_UNIX |
53 | # elif defined(OPENSSL_SYS_UWIN) |
54 | # undef OPENSSL_SYS_UNIX |
55 | # define OPENSSL_SYS_WIN32_UWIN |
56 | # else |
57 | # if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN) |
58 | # define OPENSSL_SYS_WIN32_CYGWIN |
59 | # else |
60 | # if defined(_WIN32) || defined(OPENSSL_SYS_WIN32) |
61 | # undef OPENSSL_SYS_UNIX |
62 | # if !defined(OPENSSL_SYS_WIN32) |
63 | # define OPENSSL_SYS_WIN32 |
64 | # endif |
65 | # endif |
66 | # if defined(_WIN64) || defined(OPENSSL_SYS_WIN64) |
67 | # undef OPENSSL_SYS_UNIX |
68 | # if !defined(OPENSSL_SYS_WIN64) |
69 | # define OPENSSL_SYS_WIN64 |
70 | # endif |
71 | # endif |
72 | # if defined(OPENSSL_SYS_WINNT) |
73 | # undef OPENSSL_SYS_UNIX |
74 | # endif |
75 | # if defined(OPENSSL_SYS_WINCE) |
76 | # undef OPENSSL_SYS_UNIX |
77 | # endif |
78 | # endif |
79 | # endif |
80 | |
81 | /* Anything that tries to look like Microsoft is "Windows" */ |
82 | # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) |
83 | # undef OPENSSL_SYS_UNIX |
84 | # define OPENSSL_SYS_WINDOWS |
85 | # ifndef OPENSSL_SYS_MSDOS |
86 | # define OPENSSL_SYS_MSDOS |
87 | # endif |
88 | # endif |
89 | |
90 | /* |
91 | * DLL settings. This part is a bit tough, because it's up to the |
92 | * application implementor how he or she will link the application, so it |
93 | * requires some macro to be used. |
94 | */ |
95 | # ifdef OPENSSL_SYS_WINDOWS |
96 | # ifndef OPENSSL_OPT_WINDLL |
97 | # if defined(_WINDLL) /* This is used when building OpenSSL to |
98 | * indicate that DLL linkage should be used */ |
99 | # define OPENSSL_OPT_WINDLL |
100 | # endif |
101 | # endif |
102 | # endif |
103 | |
104 | /* ------------------------------- OpenVMS -------------------------------- */ |
105 | # if defined(__VMS) || defined(VMS) |
106 | # if !defined(OPENSSL_SYS_VMS) |
107 | # undef OPENSSL_SYS_UNIX |
108 | # define OPENSSL_SYS_VMS |
109 | # endif |
110 | # if defined(__DECC) |
111 | # define OPENSSL_SYS_VMS_DECC |
112 | # elif defined(__DECCXX) |
113 | # define OPENSSL_SYS_VMS_DECC |
114 | # define OPENSSL_SYS_VMS_DECCXX |
115 | # else |
116 | # define OPENSSL_SYS_VMS_NODECC |
117 | # endif |
118 | # endif |
119 | |
120 | /* -------------------------------- Unix ---------------------------------- */ |
121 | # ifdef OPENSSL_SYS_UNIX |
122 | # if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX) |
123 | # define OPENSSL_SYS_LINUX |
124 | # endif |
125 | # if defined(_AIX) && !defined(OPENSSL_SYS_AIX) |
126 | # define OPENSSL_SYS_AIX |
127 | # endif |
128 | # endif |
129 | |
130 | /* -------------------------------- VOS ----------------------------------- */ |
131 | # if defined(__VOS__) && !defined(OPENSSL_SYS_VOS) |
132 | # define OPENSSL_SYS_VOS |
133 | # ifdef __HPPA__ |
134 | # define OPENSSL_SYS_VOS_HPPA |
135 | # endif |
136 | # ifdef __IA32__ |
137 | # define OPENSSL_SYS_VOS_IA32 |
138 | # endif |
139 | # endif |
140 | |
141 | /* ---------------------------- HP NonStop -------------------------------- */ |
142 | # ifdef __TANDEM |
143 | # ifdef _STRING |
144 | # include <strings.h> |
145 | # endif |
146 | # define OPENSSL_USE_BUILD_DATE |
147 | # if defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) |
148 | # define SPT_THREAD_SIGNAL 1 |
149 | # define SPT_THREAD_AWARE 1 |
150 | # include <spthread.h> |
151 | # elif defined(OPENSSL_THREADS) && defined(_PUT_MODEL_) |
152 | # include <pthread.h> |
153 | # endif |
154 | # endif |
155 | |
156 | /** |
157 | * That's it for OS-specific stuff |
158 | *****************************************************************************/ |
159 | |
160 | /*- |
161 | * OPENSSL_EXTERN is normally used to declare a symbol with possible extra |
162 | * attributes to handle its presence in a shared library. |
163 | * OPENSSL_EXPORT is used to define a symbol with extra possible attributes |
164 | * to make it visible in a shared library. |
165 | * Care needs to be taken when a header file is used both to declare and |
166 | * define symbols. Basically, for any library that exports some global |
167 | * variables, the following code must be present in the header file that |
168 | * declares them, before OPENSSL_EXTERN is used: |
169 | * |
170 | * #ifdef SOME_BUILD_FLAG_MACRO |
171 | * # undef OPENSSL_EXTERN |
172 | * # define OPENSSL_EXTERN OPENSSL_EXPORT |
173 | * #endif |
174 | * |
175 | * The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN |
176 | * have some generally sensible values. |
177 | */ |
178 | |
179 | # if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) |
180 | # define OPENSSL_EXPORT extern __declspec(dllexport) |
181 | # define OPENSSL_EXTERN extern __declspec(dllimport) |
182 | # else |
183 | # define OPENSSL_EXPORT extern |
184 | # define OPENSSL_EXTERN extern |
185 | # endif |
186 | |
187 | # ifdef _WIN32 |
188 | # ifdef _WIN64 |
189 | # define ossl_ssize_t __int64 |
190 | # define OSSL_SSIZE_MAX _I64_MAX |
191 | # else |
192 | # define ossl_ssize_t int |
193 | # define OSSL_SSIZE_MAX INT_MAX |
194 | # endif |
195 | # endif |
196 | |
197 | # if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t) |
198 | # define ossl_ssize_t INTN |
199 | # define OSSL_SSIZE_MAX MAX_INTN |
200 | # endif |
201 | |
202 | # ifndef ossl_ssize_t |
203 | # define ossl_ssize_t ssize_t |
204 | # if defined(SSIZE_MAX) |
205 | # define OSSL_SSIZE_MAX SSIZE_MAX |
206 | # elif defined(_POSIX_SSIZE_MAX) |
207 | # define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX |
208 | # else |
209 | # define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1)) |
210 | # endif |
211 | # endif |
212 | |
213 | # if defined(UNUSEDRESULT_DEBUG) |
214 | # define __owur __attribute__((__warn_unused_result__)) |
215 | # else |
216 | # define __owur |
217 | # endif |
218 | |
219 | /* Standard integer types */ |
220 | # define OPENSSL_NO_INTTYPES_H |
221 | # define OPENSSL_NO_STDINT_H |
222 | # if defined(OPENSSL_SYS_UEFI) |
223 | typedef INT8 int8_t; |
224 | typedef UINT8 uint8_t; |
225 | typedef INT16 int16_t; |
226 | typedef UINT16 uint16_t; |
227 | typedef INT32 int32_t; |
228 | typedef UINT32 uint32_t; |
229 | typedef INT64 int64_t; |
230 | typedef UINT64 uint64_t; |
231 | # elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ |
232 | defined(__osf__) || defined(__sgi) || defined(__hpux) || \ |
233 | defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__) |
234 | # include <inttypes.h> |
235 | # undef OPENSSL_NO_INTTYPES_H |
236 | /* Because the specs say that inttypes.h includes stdint.h if present */ |
237 | # undef OPENSSL_NO_STDINT_H |
238 | # elif defined(_MSC_VER) && _MSC_VER<1600 |
239 | /* |
240 | * minimally required typdefs for systems not supporting inttypes.h or |
241 | * stdint.h: currently just older VC++ |
242 | */ |
243 | typedef signed char int8_t; |
244 | typedef unsigned char uint8_t; |
245 | typedef short int16_t; |
246 | typedef unsigned short uint16_t; |
247 | typedef int int32_t; |
248 | typedef unsigned int uint32_t; |
249 | typedef __int64 int64_t; |
250 | typedef unsigned __int64 uint64_t; |
251 | # else |
252 | # include <stdint.h> |
253 | # undef OPENSSL_NO_STDINT_H |
254 | # endif |
255 | # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \ |
256 | defined(INTMAX_MAX) && defined(UINTMAX_MAX) |
257 | typedef intmax_t ossl_intmax_t; |
258 | typedef uintmax_t ossl_uintmax_t; |
259 | # else |
260 | /* Fall back to the largest we know we require and can handle */ |
261 | typedef int64_t ossl_intmax_t; |
262 | typedef uint64_t ossl_uintmax_t; |
263 | # endif |
264 | |
265 | /* ossl_inline: portable inline definition usable in public headers */ |
266 | # if !defined(inline) && !defined(__cplusplus) |
267 | # if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L |
268 | /* just use inline */ |
269 | # define ossl_inline inline |
270 | # elif defined(__GNUC__) && __GNUC__>=2 |
271 | # define ossl_inline __inline__ |
272 | # elif defined(_MSC_VER) |
273 | /* |
274 | * Visual Studio: inline is available in C++ only, however |
275 | * __inline is available for C, see |
276 | * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx |
277 | */ |
278 | # define ossl_inline __inline |
279 | # else |
280 | # define ossl_inline |
281 | # endif |
282 | # else |
283 | # define ossl_inline inline |
284 | # endif |
285 | |
286 | # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \ |
287 | !defined(__cplusplus) |
288 | # define ossl_noreturn _Noreturn |
289 | # elif defined(__GNUC__) && __GNUC__ >= 2 |
290 | # define ossl_noreturn __attribute__((noreturn)) |
291 | # else |
292 | # define ossl_noreturn |
293 | # endif |
294 | |
295 | /* ossl_unused: portable unused attribute for use in public headers */ |
296 | # if defined(__GNUC__) |
297 | # define ossl_unused __attribute__((unused)) |
298 | # else |
299 | # define ossl_unused |
300 | # endif |
301 | |
302 | #ifdef __cplusplus |
303 | } |
304 | #endif |
305 | #endif |
306 | |