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@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@cryptsoft.com). This product includes software written by Tim 52 * Hudson (tjh@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 /* 88 * Note that MSDOS actually denotes 32-bit environments running on top of 89 * MS-DOS, such as DJGPP one. 90 */ 91 # if defined(OPENSSL_SYSNAME_MSDOS) 92 # undef OPENSSL_SYS_UNIX 93 # define OPENSSL_SYS_MSDOS 94 # endif 95 96 /* 97 * For 32 bit environment, there seems to be the CygWin environment and then 98 * all the others that try to do the same thing Microsoft does... 99 */ 100 # if defined(OPENSSL_SYSNAME_UWIN) 101 # undef OPENSSL_SYS_UNIX 102 # define OPENSSL_SYS_WIN32_UWIN 103 # else 104 # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32) 105 # undef OPENSSL_SYS_UNIX 106 # define OPENSSL_SYS_WIN32_CYGWIN 107 # else 108 # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32) 109 # undef OPENSSL_SYS_UNIX 110 # define OPENSSL_SYS_WIN32 111 # endif 112 # if defined(_WIN64) || defined(OPENSSL_SYSNAME_WIN64) 113 # undef OPENSSL_SYS_UNIX 114 # if !defined(OPENSSL_SYS_WIN64) 115 # define OPENSSL_SYS_WIN64 116 # endif 117 # endif 118 # if defined(OPENSSL_SYSNAME_WINNT) 119 # undef OPENSSL_SYS_UNIX 120 # define OPENSSL_SYS_WINNT 121 # endif 122 # if defined(OPENSSL_SYSNAME_WINCE) 123 # undef OPENSSL_SYS_UNIX 124 # define OPENSSL_SYS_WINCE 125 # endif 126 # endif 127 # endif 128 129 /* Anything that tries to look like Microsoft is "Windows" */ 130 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) 131 # undef OPENSSL_SYS_UNIX 132 # define OPENSSL_SYS_WINDOWS 133 # ifndef OPENSSL_SYS_MSDOS 134 # define OPENSSL_SYS_MSDOS 135 # endif 136 # endif 137 138 /* 139 * DLL settings. This part is a bit tough, because it's up to the 140 * application implementor how he or she will link the application, so it 141 * requires some macro to be used. 142 */ 143 # ifdef OPENSSL_SYS_WINDOWS 144 # ifndef OPENSSL_OPT_WINDLL 145 # if defined(_WINDLL) /* This is used when building OpenSSL to 146 * indicate that DLL linkage should be used */ 147 # define OPENSSL_OPT_WINDLL 148 # endif 149 # endif 150 # endif 151 152 /* ------------------------------- OpenVMS -------------------------------- */ 153 # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS) 154 # undef OPENSSL_SYS_UNIX 155 # define OPENSSL_SYS_VMS 156 # if defined(__DECC) 157 # define OPENSSL_SYS_VMS_DECC 158 # elif defined(__DECCXX) 159 # define OPENSSL_SYS_VMS_DECC 160 # define OPENSSL_SYS_VMS_DECCXX 161 # else 162 # define OPENSSL_SYS_VMS_NODECC 163 # endif 164 # endif 165 166 /* -------------------------------- OS/2 ---------------------------------- */ 167 # if defined(__EMX__) || defined(__OS2__) 168 # undef OPENSSL_SYS_UNIX 169 # define OPENSSL_SYS_OS2 170 # endif 171 172 /* -------------------------------- Unix ---------------------------------- */ 173 # ifdef OPENSSL_SYS_UNIX 174 # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX) 175 # define OPENSSL_SYS_LINUX 176 # endif 177 # ifdef OPENSSL_SYSNAME_MPE 178 # define OPENSSL_SYS_MPE 179 # endif 180 # ifdef OPENSSL_SYSNAME_SNI 181 # define OPENSSL_SYS_SNI 182 # endif 183 # ifdef OPENSSL_SYSNAME_ULTRASPARC 184 # define OPENSSL_SYS_ULTRASPARC 185 # endif 186 # ifdef OPENSSL_SYSNAME_NEWS4 187 # define OPENSSL_SYS_NEWS4 188 # endif 189 # ifdef OPENSSL_SYSNAME_MACOSX 190 # define OPENSSL_SYS_MACOSX 191 # endif 192 # ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY 193 # define OPENSSL_SYS_MACOSX_RHAPSODY 194 # define OPENSSL_SYS_MACOSX 195 # endif 196 # ifdef OPENSSL_SYSNAME_SUNOS 197 # define OPENSSL_SYS_SUNOS 198 # endif 199 # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY) 200 # define OPENSSL_SYS_CRAY 201 # endif 202 # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX) 203 # define OPENSSL_SYS_AIX 204 # endif 205 # endif 206 207 /* -------------------------------- VOS ----------------------------------- */ 208 # if defined(__VOS__) || defined(OPENSSL_SYSNAME_VOS) 209 # define OPENSSL_SYS_VOS 210 # ifdef __HPPA__ 211 # define OPENSSL_SYS_VOS_HPPA 212 # endif 213 # ifdef __IA32__ 214 # define OPENSSL_SYS_VOS_IA32 215 # endif 216 # endif 217 218 /* ------------------------------ VxWorks --------------------------------- */ 219 # ifdef OPENSSL_SYSNAME_VXWORKS 220 # define OPENSSL_SYS_VXWORKS 221 # endif 222 223 /* -------------------------------- BeOS ---------------------------------- */ 224 # if defined(__BEOS__) 225 # define OPENSSL_SYS_BEOS 226 # include <sys/socket.h> 227 # if defined(BONE_VERSION) 228 # define OPENSSL_SYS_BEOS_BONE 229 # else 230 # define OPENSSL_SYS_BEOS_R5 231 # endif 232 # endif 233 234 /** 235 * That's it for OS-specific stuff 236 *****************************************************************************/ 237 238 /* Specials for I/O an exit */ 239 # ifdef OPENSSL_SYS_MSDOS 240 # define OPENSSL_UNISTD_IO <io.h> 241 # define OPENSSL_DECLARE_EXIT extern void exit(int); 242 # else 243 # define OPENSSL_UNISTD_IO OPENSSL_UNISTD 244 # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ 245 # endif 246 247 /*- 248 * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare 249 * certain global symbols that, with some compilers under VMS, have to be 250 * defined and declared explicitely with globaldef and globalref. 251 * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare 252 * DLL exports and imports for compilers under Win32. These are a little 253 * more complicated to use. Basically, for any library that exports some 254 * global variables, the following code must be present in the header file 255 * that declares them, before OPENSSL_EXTERN is used: 256 * 257 * #ifdef SOME_BUILD_FLAG_MACRO 258 * # undef OPENSSL_EXTERN 259 * # define OPENSSL_EXTERN OPENSSL_EXPORT 260 * #endif 261 * 262 * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL 263 * have some generally sensible values, and for OPENSSL_EXTERN to have the 264 * value OPENSSL_IMPORT. 265 */ 266 267 # if defined(OPENSSL_SYS_VMS_NODECC) 268 # define OPENSSL_EXPORT globalref 269 # define OPENSSL_IMPORT globalref 270 # define OPENSSL_GLOBAL globaldef 271 # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) 272 # define OPENSSL_EXPORT extern __declspec(dllexport) 273 # define OPENSSL_IMPORT extern __declspec(dllimport) 274 # define OPENSSL_GLOBAL 275 # else 276 # define OPENSSL_EXPORT extern 277 # define OPENSSL_IMPORT extern 278 # define OPENSSL_GLOBAL 279 # endif 280 # define OPENSSL_EXTERN OPENSSL_IMPORT 281 282 /*- 283 * Macros to allow global variables to be reached through function calls when 284 * required (if a shared library version requires it, for example. 285 * The way it's done allows definitions like this: 286 * 287 * // in foobar.c 288 * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0) 289 * // in foobar.h 290 * OPENSSL_DECLARE_GLOBAL(int,foobar); 291 * #define foobar OPENSSL_GLOBAL_REF(foobar) 292 */ 293 # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION 294 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \ 295 type *_shadow_##name(void) \ 296 { static type _hide_##name=value; return &_hide_##name; } 297 # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) 298 # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) 299 # else 300 # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value; 301 # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name 302 # define OPENSSL_GLOBAL_REF(name) _shadow_##name 303 # endif 304 305 # if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && macintosh==1 && !defined(MAC_OS_GUSI_SOURCE) 306 # define ossl_ssize_t long 307 # endif 308 309 # ifdef OPENSSL_SYS_MSDOS 310 # define ossl_ssize_t long 311 # endif 312 313 # if defined(NeXT) || defined(OPENSSL_SYS_NEWS4) || defined(OPENSSL_SYS_SUNOS) 314 # define ssize_t int 315 # endif 316 317 # if defined(__ultrix) && !defined(ssize_t) 318 # define ossl_ssize_t int 319 # endif 320 321 # ifndef ossl_ssize_t 322 # define ossl_ssize_t ssize_t 323 # endif 324 325 #ifdef __cplusplus 326 } 327 #endif 328 #endif 329