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_SYSNAME_NETWARE)
75 # undef OPENSSL_SYS_UNIX
76 # define OPENSSL_SYS_NETWARE
79 /* ---------------------- Microsoft operating systems ---------------------- */
81 /* Note that MSDOS actually denotes 32-bit environments running on top of
82 MS-DOS, such as DJGPP one. */
83 #if defined(OPENSSL_SYSNAME_MSDOS)
84 # undef OPENSSL_SYS_UNIX
85 # define OPENSSL_SYS_MSDOS
88 /* For 32 bit environment, there seems to be the CygWin environment and then
89 all the others that try to do the same thing Microsoft does... */
90 #if defined(OPENSSL_SYSNAME_UWIN)
91 # undef OPENSSL_SYS_UNIX
92 # define OPENSSL_SYS_WIN32_UWIN
94 # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
95 # undef OPENSSL_SYS_UNIX
96 # define OPENSSL_SYS_WIN32_CYGWIN
98 # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
99 # undef OPENSSL_SYS_UNIX
100 # define OPENSSL_SYS_WIN32
102 # if defined(OPENSSL_SYSNAME_WINNT)
103 # undef OPENSSL_SYS_UNIX
104 # define OPENSSL_SYS_WINNT
106 # if defined(OPENSSL_SYSNAME_WINCE)
107 # undef OPENSSL_SYS_UNIX
108 # define OPENSSL_SYS_WINCE
113 /* Anything that tries to look like Microsoft is "Windows" */
114 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
115 # undef OPENSSL_SYS_UNIX
116 # define OPENSSL_SYS_WINDOWS
117 # ifndef OPENSSL_SYS_MSDOS
118 # define OPENSSL_SYS_MSDOS
122 /* DLL settings. This part is a bit tough, because it's up to the application
123 implementor how he or she will link the application, so it requires some
125 #ifdef OPENSSL_SYS_WINDOWS
126 # ifndef OPENSSL_OPT_WINDLL
127 # if defined(_WINDLL) /* This is used when building OpenSSL to indicate that
128 DLL linkage should be used */
129 # define OPENSSL_OPT_WINDLL
134 /* -------------------------------- OpenVMS -------------------------------- */
135 #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
136 # undef OPENSSL_SYS_UNIX
137 # define OPENSSL_SYS_VMS
139 # define OPENSSL_SYS_VMS_DECC
140 # elif defined(__DECCXX)
141 # define OPENSSL_SYS_VMS_DECC
142 # define OPENSSL_SYS_VMS_DECCXX
144 # define OPENSSL_SYS_VMS_NODECC
148 /* --------------------------------- OS/2 ---------------------------------- */
149 #if defined(__EMX__) || defined(__OS2__)
150 # undef OPENSSL_SYS_UNIX
151 # define OPENSSL_SYS_OS2
154 /* --------------------------------- Unix ---------------------------------- */
155 #ifdef OPENSSL_SYS_UNIX
156 # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
157 # define OPENSSL_SYS_LINUX
159 # ifdef OPENSSL_SYSNAME_SNI
160 # define OPENSSL_SYS_SNI
162 # ifdef OPENSSL_SYSNAME_ULTRASPARC
163 # define OPENSSL_SYS_ULTRASPARC
165 # ifdef OPENSSL_SYSNAME_MACOSX
166 # define OPENSSL_SYS_MACOSX
168 # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
169 # define OPENSSL_SYS_CRAY
171 # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
172 # define OPENSSL_SYS_AIX
176 /* --------------------------------- VOS ----------------------------------- */
177 #if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS)
178 # define OPENSSL_SYS_VOS
180 # define OPENSSL_SYS_VOS_HPPA
183 # define OPENSSL_SYS_VOS_IA32
187 /* ------------------------------- VxWorks --------------------------------- */
188 #ifdef OPENSSL_SYSNAME_VXWORKS
189 # define OPENSSL_SYS_VXWORKS
193 * That's it for OS-specific stuff
194 *****************************************************************************/
197 /* Specials for I/O an exit */
198 #ifdef OPENSSL_SYS_MSDOS
199 # define OPENSSL_UNISTD_IO <io.h>
200 # define OPENSSL_DECLARE_EXIT extern void exit(int);
202 # define OPENSSL_UNISTD_IO OPENSSL_UNISTD
203 # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
207 * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
208 * certain global symbols that, with some compilers under VMS, have to be
209 * defined and declared explicitely with globaldef and globalref.
210 * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
211 * DLL exports and imports for compilers under Win32. These are a little
212 * more complicated to use. Basically, for any library that exports some
213 * global variables, the following code must be present in the header file
214 * that declares them, before OPENSSL_EXTERN is used:
216 * #ifdef SOME_BUILD_FLAG_MACRO
217 * # undef OPENSSL_EXTERN
218 * # define OPENSSL_EXTERN OPENSSL_EXPORT
221 * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
222 * have some generally sensible values, and for OPENSSL_EXTERN to have the
223 * value OPENSSL_IMPORT.
226 #if defined(OPENSSL_SYS_VMS_NODECC)
227 # define OPENSSL_EXPORT globalref
228 # define OPENSSL_IMPORT globalref
229 # define OPENSSL_GLOBAL globaldef
230 #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
231 # define OPENSSL_EXPORT extern __declspec(dllexport)
232 # define OPENSSL_IMPORT extern __declspec(dllimport)
233 # define OPENSSL_GLOBAL
235 # define OPENSSL_EXPORT extern
236 # define OPENSSL_IMPORT extern
237 # define OPENSSL_GLOBAL
239 #define OPENSSL_EXTERN OPENSSL_IMPORT
242 * Macros to allow global variables to be reached through function calls when
243 * required (if a shared library version requires it, for example.
244 * The way it's done allows definitions like this:
247 * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
249 * OPENSSL_DECLARE_GLOBAL(int,foobar);
250 * #define foobar OPENSSL_GLOBAL_REF(foobar)
252 #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
253 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
254 type *_shadow_##name(void) \
255 { static type _hide_##name=value; return &_hide_##name; }
256 # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
257 # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
259 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
260 # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
261 # define OPENSSL_GLOBAL_REF(name) _shadow_##name
264 #ifdef OPENSSL_SYS_MSDOS
265 # define ossl_ssize_t long
268 #if defined(__ultrix) && !defined(ssize_t)
269 # define ossl_ssize_t int
273 # define ossl_ssize_t ssize_t
278 #define __owur __attribute__((__warn_unused_result__))