1 /* e_os2.h */ 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 52 * Hudson (tjh (at) cryptsoft.com). 53 * 54 */ 55 56 #include <openssl/opensslconf.h> 57 58 #ifndef HEADER_E_OS2_H 59 #define HEADER_E_OS2_H 60 61 #ifdef __cplusplus 62 extern "C" { 63 #endif 64 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 /* ----------------------- NetWare ----------------------------------------- */ 80 #if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE) 81 # undef OPENSSL_SYS_UNIX 82 # define OPENSSL_SYS_NETWARE 83 #endif 84 85 /* ---------------------- Microsoft operating systems ---------------------- */ 86 87 /* Note that MSDOS actually denotes 32-bit environments running on top of 88 MS-DOS, such as DJGPP one. */ 89 #if defined(OPENSSL_SYSNAME_MSDOS) 90 # undef OPENSSL_SYS_UNIX 91 # define OPENSSL_SYS_MSDOS 92 #endif 93 94 /* For 32 bit environment, there seems to be the CygWin environment and then 95 all the others that try to do the same thing Microsoft does... */ 96 #if defined(OPENSSL_SYSNAME_UWIN) 97 # undef OPENSSL_SYS_UNIX 98 # define OPENSSL_SYS_WIN32_UWIN 99 #else 100 # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32) 101 # undef OPENSSL_SYS_UNIX 102 # define OPENSSL_SYS_WIN32_CYGWIN 103 # else 104 # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32) 105 # undef OPENSSL_SYS_UNIX 106 # define OPENSSL_SYS_WIN32 107 # endif 108 # if defined(OPENSSL_SYSNAME_WINNT) 109 # undef OPENSSL_SYS_UNIX 110 # define OPENSSL_SYS_WINNT 111 # endif 112 # if defined(OPENSSL_SYSNAME_WINCE) 113 # undef OPENSSL_SYS_UNIX 114 # define OPENSSL_SYS_WINCE 115 # endif 116 # endif 117 #endif 118 119 /* Anything that tries to look like Microsoft is "Windows" */ 120 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) 121 # undef OPENSSL_SYS_UNIX 122 # define OPENSSL_SYS_WINDOWS 123 # ifndef OPENSSL_SYS_MSDOS 124 # define OPENSSL_SYS_MSDOS 125 # endif 126 #endif 127 128 /* DLL settings. This part is a bit tough, because it's up to the application 129 implementor how he or she will link the application, so it requires some 130 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 indicate that 134 DLL linkage should be used */ 135 # define OPENSSL_OPT_WINDLL 136 # endif 137 # endif 138 #endif 139 140 /* -------------------------------- OpenVMS -------------------------------- */ 141 #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS) 142 # undef OPENSSL_SYS_UNIX 143 # define OPENSSL_SYS_VMS 144 # if defined(__DECC) 145 # define OPENSSL_SYS_VMS_DECC 146 # elif defined(__DECCXX) 147 # define OPENSSL_SYS_VMS_DECC 148 # define OPENSSL_SYS_VMS_DECCXX 149 # else 150 # define OPENSSL_SYS_VMS_NODECC 151 # endif 152 #endif 153 154 /* --------------------------------- OS/2 ---------------------------------- */ 155 #if defined(__EMX__) || defined(__OS2__) 156 # undef OPENSSL_SYS_UNIX 157 # define OPENSSL_SYS_OS2 158 #endif 159 160 /* --------------------------------- Unix ---------------------------------- */ 161 #ifdef OPENSSL_SYS_UNIX 162 # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX) 163 # define OPENSSL_SYS_LINUX 164 # endif 165 # ifdef OPENSSL_SYSNAME_MPE 166 # define OPENSSL_SYS_MPE 167 # endif 168 # ifdef OPENSSL_SYSNAME_SNI 169 # define OPENSSL_SYS_SNI 170 # endif 171 # ifdef OPENSSL_SYSNAME_ULTRASPARC 172 # define OPENSSL_SYS_ULTRASPARC 173 # endif 174 # ifdef OPENSSL_SYSNAME_NEWS4 175 # define OPENSSL_SYS_NEWS4 176 # endif 177 # ifdef OPENSSL_SYSNAME_MACOSX 178 # define OPENSSL_SYS_MACOSX 179 # endif 180 # ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY 181 # define OPENSSL_SYS_MACOSX_RHAPSODY 182 # define OPENSSL_SYS_MACOSX 183 # endif 184 # ifdef OPENSSL_SYSNAME_SUNOS 185 # define OPENSSL_SYS_SUNOS 186 #endif 187 # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY) 188 # define OPENSSL_SYS_CRAY 189 # endif 190 # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX) 191 # define OPENSSL_SYS_AIX 192 # endif 193 #endif 194 195 /* --------------------------------- VOS ----------------------------------- */ 196 #ifdef OPENSSL_SYSNAME_VOS 197 # define OPENSSL_SYS_VOS 198 #endif 199 200 /* ------------------------------- VxWorks --------------------------------- */ 201 #ifdef OPENSSL_SYSNAME_VXWORKS 202 # define OPENSSL_SYS_VXWORKS 203 #endif 204 205 /* --------------------------------- BeOS ---------------------------------- */ 206 #if defined(__BEOS__) 207 # define OPENSSL_SYS_BEOS 208 # include <sys/socket.h> 209 # if defined(BONE_VERSION) 210 # define OPENSSL_SYS_BEOS_BONE 211 # else 212 # define OPENSSL_SYS_BEOS_R5 213 # endif 214 #endif 215 216 /** 217 * That's it for OS-specific stuff 218 *****************************************************************************/ 219 220 221 /* Specials for I/O an exit */ 222 #ifdef OPENSSL_SYS_MSDOS 223 # define OPENSSL_UNISTD_IO <io.h> 224 # define OPENSSL_DECLARE_EXIT extern void exit(int); 225 #else 226 # define OPENSSL_UNISTD_IO OPENSSL_UNISTD 227 # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ 228 #endif 229 230 /* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare 231 certain global symbols that, with some compilers under VMS, have to be 232 defined and declared explicitely with globaldef and globalref. 233 Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare 234 DLL exports and imports for compilers under Win32. These are a little 235 more complicated to use. Basically, for any library that exports some 236 global variables, the following code must be present in the header file 237 that declares them, before OPENSSL_EXTERN is used: 238 239 #ifdef SOME_BUILD_FLAG_MACRO 240 # undef OPENSSL_EXTERN 241 # define OPENSSL_EXTERN OPENSSL_EXPORT 242 #endif 243 244 The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL 245 have some generally sensible values, and for OPENSSL_EXTERN to have the 246 value OPENSSL_IMPORT. 247 */ 248 249 #if defined(OPENSSL_SYS_VMS_NODECC) 250 # define OPENSSL_EXPORT globalref 251 # define OPENSSL_IMPORT globalref 252 # define OPENSSL_GLOBAL globaldef 253 #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) 254 # define OPENSSL_EXPORT extern __declspec(dllexport) 255 # define OPENSSL_IMPORT extern __declspec(dllimport) 256 # define OPENSSL_GLOBAL 257 #else 258 # define OPENSSL_EXPORT extern 259 # define OPENSSL_IMPORT extern 260 # define OPENSSL_GLOBAL 261 #endif 262 #define OPENSSL_EXTERN OPENSSL_IMPORT 263 264 /* Macros to allow global variables to be reached through function calls when 265 required (if a shared library version requires it, for example. 266 The way it's done allows definitions like this: 267 268 // in foobar.c 269 OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0) 270 // in foobar.h 271 OPENSSL_DECLARE_GLOBAL(int,foobar); 272 #define foobar OPENSSL_GLOBAL_REF(foobar) 273 */ 274 #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION 275 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \ 276 type *_shadow_##name(void) \ 277 { static type _hide_##name=value; return &_hide_##name; } 278 # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) 279 # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) 280 #else 281 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value; 282 # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name 283 # define OPENSSL_GLOBAL_REF(name) _shadow_##name 284 #endif 285 286 #ifdef __cplusplus 287 } 288 #endif 289 #endif 290
