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 ---------------------- */
82 * Note that MSDOS actually denotes 32-bit environments running on top of
83 * MS-DOS, such as DJGPP one.
85 # if defined(OPENSSL_SYSNAME_MSDOS)
86 # undef OPENSSL_SYS_UNIX
87 # define OPENSSL_SYS_MSDOS
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...
94 # if defined(OPENSSL_SYSNAME_UWIN)
95 # undef OPENSSL_SYS_UNIX
96 # define OPENSSL_SYS_WIN32_UWIN
98 # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
99 # undef OPENSSL_SYS_UNIX
100 # define OPENSSL_SYS_WIN32_CYGWIN
102 # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
103 # undef OPENSSL_SYS_UNIX
104 # define OPENSSL_SYS_WIN32
106 # if defined(OPENSSL_SYSNAME_WINNT)
107 # undef OPENSSL_SYS_UNIX
108 # define OPENSSL_SYS_WINNT
110 # if defined(OPENSSL_SYSNAME_WINCE)
111 # undef OPENSSL_SYS_UNIX
112 # define OPENSSL_SYS_WINCE
117 /* Anything that tries to look like Microsoft is "Windows" */
118 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
119 # undef OPENSSL_SYS_UNIX
120 # define OPENSSL_SYS_WINDOWS
121 # ifndef OPENSSL_SYS_MSDOS
122 # define OPENSSL_SYS_MSDOS
127 * DLL settings. This part is a bit tough, because it's up to the
128 * application implementor how he or she will link the application, so it
129 * requires some macro to be used.
131 # ifdef OPENSSL_SYS_WINDOWS
132 # ifndef OPENSSL_OPT_WINDLL
133 # if defined(_WINDLL) /* This is used when building OpenSSL to
134 * indicate that DLL linkage should be used */
135 # define OPENSSL_OPT_WINDLL
140 /* ------------------------------- OpenVMS -------------------------------- */
141 # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
142 # undef OPENSSL_SYS_UNIX
143 # define OPENSSL_SYS_VMS
145 # define OPENSSL_SYS_VMS_DECC
146 # elif defined(__DECCXX)
147 # define OPENSSL_SYS_VMS_DECC
148 # define OPENSSL_SYS_VMS_DECCXX
150 # define OPENSSL_SYS_VMS_NODECC
154 /* -------------------------------- OS/2 ---------------------------------- */
155 # if defined(__EMX__) || defined(__OS2__)
156 # undef OPENSSL_SYS_UNIX
157 # define OPENSSL_SYS_OS2
160 /* -------------------------------- Unix ---------------------------------- */
161 # ifdef OPENSSL_SYS_UNIX
162 # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
163 # define OPENSSL_SYS_LINUX
165 # ifdef OPENSSL_SYSNAME_SNI
166 # define OPENSSL_SYS_SNI
168 # ifdef OPENSSL_SYSNAME_ULTRASPARC
169 # define OPENSSL_SYS_ULTRASPARC
171 # ifdef OPENSSL_SYSNAME_MACOSX
172 # define OPENSSL_SYS_MACOSX
174 # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
175 # define OPENSSL_SYS_AIX
179 /* -------------------------------- VOS ----------------------------------- */
180 # if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS)
181 # define OPENSSL_SYS_VOS
183 # define OPENSSL_SYS_VOS_HPPA
186 # define OPENSSL_SYS_VOS_IA32
190 /* ------------------------------ VxWorks --------------------------------- */
191 # ifdef OPENSSL_SYSNAME_VXWORKS
192 # define OPENSSL_SYS_VXWORKS
196 * That's it for OS-specific stuff
197 *****************************************************************************/
199 /* Specials for I/O an exit */
200 # ifdef OPENSSL_SYS_MSDOS
201 # define OPENSSL_UNISTD_IO <io.h>
202 # define OPENSSL_DECLARE_EXIT extern void exit(int);
204 # define OPENSSL_UNISTD_IO OPENSSL_UNISTD
205 # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
209 * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
210 * certain global symbols that, with some compilers under VMS, have to be
211 * defined and declared explicitely with globaldef and globalref.
212 * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
213 * DLL exports and imports for compilers under Win32. These are a little
214 * more complicated to use. Basically, for any library that exports some
215 * global variables, the following code must be present in the header file
216 * that declares them, before OPENSSL_EXTERN is used:
218 * #ifdef SOME_BUILD_FLAG_MACRO
219 * # undef OPENSSL_EXTERN
220 * # define OPENSSL_EXTERN OPENSSL_EXPORT
223 * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
224 * have some generally sensible values, and for OPENSSL_EXTERN to have the
225 * value OPENSSL_IMPORT.
228 # if defined(OPENSSL_SYS_VMS_NODECC)
229 # define OPENSSL_EXPORT globalref
230 # define OPENSSL_IMPORT globalref
231 # define OPENSSL_GLOBAL globaldef
232 # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
233 # define OPENSSL_EXPORT extern __declspec(dllexport)
234 # define OPENSSL_IMPORT extern __declspec(dllimport)
235 # define OPENSSL_GLOBAL
237 # define OPENSSL_EXPORT extern
238 # define OPENSSL_IMPORT extern
239 # define OPENSSL_GLOBAL
241 # define OPENSSL_EXTERN OPENSSL_IMPORT
244 * Macros to allow global variables to be reached through function calls when
245 * required (if a shared library version requires it, for example.
246 * The way it's done allows definitions like this:
249 * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
251 * OPENSSL_DECLARE_GLOBAL(int,foobar);
252 * #define foobar OPENSSL_GLOBAL_REF(foobar)
254 # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
255 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
256 type *_shadow_##name(void) \
257 { static type _hide_##name=value; return &_hide_##name; }
258 # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
259 # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
261 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
262 # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
263 # define OPENSSL_GLOBAL_REF(name) _shadow_##name
266 # ifdef OPENSSL_SYS_MSDOS
267 # define ossl_ssize_t long
270 # if defined(__ultrix) && !defined(ssize_t)
271 # define ossl_ssize_t int
274 # ifndef ossl_ssize_t
275 # define ossl_ssize_t ssize_t
279 # define __owur __attribute__((__warn_unused_result__))