2 /* ====================================================================
3 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
56 #include <openssl/opensslconf.h>
58 #ifndef HEADER_E_OS2_H
59 # define HEADER_E_OS2_H
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.
71 # define OPENSSL_SYS_UNIX
73 /* ---------------------- NetWare ----------------------------------------- */
74 # if defined(NETWARE) && !defined(OPENSSL_SYS_NETWARE)
75 # undef OPENSSL_SYS_UNIX
76 # define OPENSSL_SYS_NETWARE
79 /* --------------------- Microsoft operating systems ---------------------- */
82 * Note that MSDOS actually denotes 32-bit environments running on top of
83 * MS-DOS, such as DJGPP one.
85 # if defined(OPENSSL_SYS_MSDOS)
86 # undef OPENSSL_SYS_UNIX
90 * For 32 bit environment, there seems to be the CygWin environment and then
91 * all the others that try to do the same thing Microsoft does...
93 # if defined(OPENSSL_SYS_UWIN)
94 # undef OPENSSL_SYS_UNIX
95 # define OPENSSL_SYS_WIN32_UWIN
97 # if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
98 # undef OPENSSL_SYS_UNIX
99 # define OPENSSL_SYS_WIN32_CYGWIN
101 # if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
102 # undef OPENSSL_SYS_UNIX
103 # if !defined(OPENSSL_SYS_WIN32)
104 # define OPENSSL_SYS_WIN32
107 # if defined(OPENSSL_SYS_WINNT)
108 # undef OPENSSL_SYS_UNIX
110 # if defined(OPENSSL_SYS_WINCE)
111 # undef OPENSSL_SYS_UNIX
116 /* Anything that tries to look like Microsoft is "Windows" */
117 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
118 # undef OPENSSL_SYS_UNIX
119 # define OPENSSL_SYS_WINDOWS
120 # ifndef OPENSSL_SYS_MSDOS
121 # define OPENSSL_SYS_MSDOS
126 * DLL settings. This part is a bit tough, because it's up to the
127 * application implementor how he or she will link the application, so it
128 * requires some macro to be used.
130 # ifdef OPENSSL_SYS_WINDOWS
131 # ifndef OPENSSL_OPT_WINDLL
132 # if defined(_WINDLL) /* This is used when building OpenSSL to
133 * indicate that DLL linkage should be used */
134 # define OPENSSL_OPT_WINDLL
139 /* ------------------------------- OpenVMS -------------------------------- */
140 # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS)
141 # if !defined(OPENSSL_SYS_VMS)
142 # undef OPENSSL_SYS_UNIX
144 # define OPENSSL_SYS_VMS
146 # define OPENSSL_SYS_VMS_DECC
147 # elif defined(__DECCXX)
148 # define OPENSSL_SYS_VMS_DECC
149 # define OPENSSL_SYS_VMS_DECCXX
151 # define OPENSSL_SYS_VMS_NODECC
155 /* -------------------------------- OS/2 ---------------------------------- */
156 # if defined(__EMX__) || defined(__OS2__)
157 # undef OPENSSL_SYS_UNIX
158 # define OPENSSL_SYS_OS2
161 /* -------------------------------- Unix ---------------------------------- */
162 # ifdef OPENSSL_SYS_UNIX
163 # if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX)
164 # define OPENSSL_SYS_LINUX
166 # if defined(_AIX) && !defined(OPENSSL_SYS_AIX)
167 # define OPENSSL_SYS_AIX
171 /* -------------------------------- VOS ----------------------------------- */
172 # if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
173 # define OPENSSL_SYS_VOS
175 # define OPENSSL_SYS_VOS_HPPA
178 # define OPENSSL_SYS_VOS_IA32
183 * That's it for OS-specific stuff
184 *****************************************************************************/
186 /* Specials for I/O an exit */
187 # ifdef OPENSSL_SYS_MSDOS
188 # define OPENSSL_UNISTD_IO <io.h>
189 # define OPENSSL_DECLARE_EXIT extern void exit(int);
191 # define OPENSSL_UNISTD_IO OPENSSL_UNISTD
192 # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
196 * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
197 * certain global symbols that, with some compilers under VMS, have to be
198 * defined and declared explicitely with globaldef and globalref.
199 * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
200 * DLL exports and imports for compilers under Win32. These are a little
201 * more complicated to use. Basically, for any library that exports some
202 * global variables, the following code must be present in the header file
203 * that declares them, before OPENSSL_EXTERN is used:
205 * #ifdef SOME_BUILD_FLAG_MACRO
206 * # undef OPENSSL_EXTERN
207 * # define OPENSSL_EXTERN OPENSSL_EXPORT
210 * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
211 * have some generally sensible values, and for OPENSSL_EXTERN to have the
212 * value OPENSSL_IMPORT.
215 # if defined(OPENSSL_SYS_VMS_NODECC)
216 # define OPENSSL_EXPORT globalref
217 # define OPENSSL_IMPORT globalref
218 # define OPENSSL_GLOBAL globaldef
219 # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
220 # define OPENSSL_EXPORT extern __declspec(dllexport)
221 # define OPENSSL_IMPORT extern __declspec(dllimport)
222 # define OPENSSL_GLOBAL
224 # define OPENSSL_EXPORT extern
225 # define OPENSSL_IMPORT extern
226 # define OPENSSL_GLOBAL
228 # define OPENSSL_EXTERN OPENSSL_IMPORT
231 * Macros to allow global variables to be reached through function calls when
232 * required (if a shared library version requires it, for example.
233 * The way it's done allows definitions like this:
236 * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
238 * OPENSSL_DECLARE_GLOBAL(int,foobar);
239 * #define foobar OPENSSL_GLOBAL_REF(foobar)
241 # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
242 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
243 type *_shadow_##name(void) \
244 { static type _hide_##name=value; return &_hide_##name; }
245 # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
246 # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
248 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
249 # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
250 # define OPENSSL_GLOBAL_REF(name) _shadow_##name
253 # ifdef OPENSSL_SYS_MSDOS
254 # define ossl_ssize_t long
257 # if defined(__ultrix) && !defined(ssize_t)
258 # define ossl_ssize_t int
261 # ifndef ossl_ssize_t
262 # define ossl_ssize_t ssize_t
266 # define __owur __attribute__((__warn_unused_result__))