include/openssl/e_os2.h

   1 /* ====================================================================
   2  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in
  13  *    the documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  * 3. All advertising materials mentioning features or use of this
  17  *    software must display the following acknowledgment:
  18  *    "This product includes software developed by the OpenSSL Project
  19  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  20  *
  21  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  22  *    endorse or promote products derived from this software without
  23  *    prior written permission. For written permission, please contact
  24  *    openssl-core@openssl.org.
  25  *
  26  * 5. Products derived from this software may not be called "OpenSSL"
  27  *    nor may "OpenSSL" appear in their names without prior written
  28  *    permission of the OpenSSL Project.
  29  *
  30  * 6. Redistributions of any form whatsoever must retain the following
  31  *    acknowledgment:
  32  *    "This product includes software developed by the OpenSSL Project
  33  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46  * OF THE POSSIBILITY OF SUCH DAMAGE.
  47  * ====================================================================
  48  *
  49  * This product includes cryptographic software written by Eric Young
  50  * (eay@cryptsoft.com).  This product includes software written by Tim
  51  * Hudson (tjh@cryptsoft.com).
  52  *
  53  */
  54
  55 #ifndef HEADER_E_OS2_H
  56 # define HEADER_E_OS2_H
  57
  58 # include <openssl/opensslconf.h>
  59
  60 #ifdef  __cplusplus
  61 extern "C" {
  62 #endif
  63
  64 /******************************************************************************
  65  * Detect operating systems.  This probably needs completing.
  66  * The result is that at least one OPENSSL_SYS_os macro should be defined.
  67  * However, if none is defined, Unix is assumed.
  68  **/
  69
  70 # define OPENSSL_SYS_UNIX
  71
  72 /* ---------------------- NetWare ----------------------------------------- */
  73 # if defined(NETWARE) && !defined(OPENSSL_SYS_NETWARE)
  74 #  undef OPENSSL_SYS_UNIX
  75 #  define OPENSSL_SYS_NETWARE
  76 # endif
  77
  78 /* --------------------- Microsoft operating systems ---------------------- */
  79
  80 /*
  81  * Note that MSDOS actually denotes 32-bit environments running on top of
  82  * MS-DOS, such as DJGPP one.
  83  */
  84 # if defined(OPENSSL_SYS_MSDOS)
  85 #  undef OPENSSL_SYS_UNIX
  86 # endif
  87
  88 /*
  89  * For 32 bit environment, there seems to be the CygWin environment and then
  90  * all the others that try to do the same thing Microsoft does...
  91  */
  92 /*
  93  * UEFI lives here because it might be built with a Microsoft toolchain and
  94  * we need to avoid the false positive match on Windows.
  95  */
  96 # if defined(OPENSSL_SYS_UEFI)
  97 #  undef OPENSSL_SYS_UNIX
  98 # elif defined(OPENSSL_SYS_UWIN)
  99 #  undef OPENSSL_SYS_UNIX
 100 #  define OPENSSL_SYS_WIN32_UWIN
 101 # else
 102 #  if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
 103 #   undef OPENSSL_SYS_UNIX
 104 #   define OPENSSL_SYS_WIN32_CYGWIN
 105 #  else
 106 #   if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
 107 #    undef OPENSSL_SYS_UNIX
 108 #    if !defined(OPENSSL_SYS_WIN32)
 109 #     define OPENSSL_SYS_WIN32
 110 #    endif
 111 #   endif
 112 #   if defined(_WIN64) || defined(OPENSSL_SYS_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_SYS_WINNT)
 119 #    undef OPENSSL_SYS_UNIX
 120 #   endif
 121 #   if defined(OPENSSL_SYS_WINCE)
 122 #    undef OPENSSL_SYS_UNIX
 123 #   endif
 124 #  endif
 125 # endif
 126
 127 /* Anything that tries to look like Microsoft is "Windows" */
 128 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
 129 #  undef OPENSSL_SYS_UNIX
 130 #  define OPENSSL_SYS_WINDOWS
 131 #  ifndef OPENSSL_SYS_MSDOS
 132 #   define OPENSSL_SYS_MSDOS
 133 #  endif
 134 # endif
 135
 136 /*
 137  * DLL settings.  This part is a bit tough, because it's up to the
 138  * application implementor how he or she will link the application, so it
 139  * requires some macro to be used.
 140  */
 141 # ifdef OPENSSL_SYS_WINDOWS
 142 #  ifndef OPENSSL_OPT_WINDLL
 143 #   if defined(_WINDLL)         /* This is used when building OpenSSL to
 144                                  * indicate that DLL linkage should be used */
 145 #    define OPENSSL_OPT_WINDLL
 146 #   endif
 147 #  endif
 148 # endif
 149
 150 /* ------------------------------- OpenVMS -------------------------------- */
 151 # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS)
 152 #  if !defined(OPENSSL_SYS_VMS)
 153 #   undef OPENSSL_SYS_UNIX
 154 #  endif
 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_SYS_LINUX)
 175 #   define OPENSSL_SYS_LINUX
 176 #  endif
 177 #  if defined(_AIX) && !defined(OPENSSL_SYS_AIX)
 178 #   define OPENSSL_SYS_AIX
 179 #  endif
 180 # endif
 181
 182 /* -------------------------------- VOS ----------------------------------- */
 183 # if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
 184 #  define OPENSSL_SYS_VOS
 185 #  ifdef __HPPA__
 186 #   define OPENSSL_SYS_VOS_HPPA
 187 #  endif
 188 #  ifdef __IA32__
 189 #   define OPENSSL_SYS_VOS_IA32
 190 #  endif
 191 # endif
 192
 193 /**
 194  * That's it for OS-specific stuff
 195  *****************************************************************************/
 196
 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);
 201 # else
 202 #  define OPENSSL_UNISTD_IO OPENSSL_UNISTD
 203 #  define OPENSSL_DECLARE_EXIT  /* declared in unistd.h */
 204 # endif
 205
 206 /*-
 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 explicitly 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:
 215  *
 216  * #ifdef SOME_BUILD_FLAG_MACRO
 217  * # undef OPENSSL_EXTERN
 218  * # define OPENSSL_EXTERN OPENSSL_EXPORT
 219  * #endif
 220  *
 221  * The default is to have OPENSSL_EXPORT, OPENSSL_EXTERN and OPENSSL_GLOBAL
 222  * have some generally sensible values.
 223  */
 224
 225 # if defined(OPENSSL_SYS_VMS_NODECC)
 226 #  define OPENSSL_EXPORT globalref
 227 #  define OPENSSL_EXTERN globalref
 228 #  define OPENSSL_GLOBAL globaldef
 229 # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
 230 #  define OPENSSL_EXPORT extern __declspec(dllexport)
 231 #  define OPENSSL_EXTERN extern __declspec(dllimport)
 232 #  define OPENSSL_GLOBAL
 233 # else
 234 #  define OPENSSL_EXPORT extern
 235 #  define OPENSSL_EXTERN extern
 236 #  define OPENSSL_GLOBAL
 237 # endif
 238
 239 /*-
 240  * Macros to allow global variables to be reached through function calls when
 241  * required (if a shared library version requires it, for example.
 242  * The way it's done allows definitions like this:
 243  *
 244  *      // in foobar.c
 245  *      OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
 246  *      // in foobar.h
 247  *      OPENSSL_DECLARE_GLOBAL(int,foobar);
 248  *      #define foobar OPENSSL_GLOBAL_REF(foobar)
 249  */
 250 # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
 251 #  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value)                      \
 252         type *_shadow_##name(void)                                      \
 253         { static type _hide_##name=value; return &_hide_##name; }
 254 #  define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
 255 #  define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
 256 # else
 257 #  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
 258 #  define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
 259 #  define OPENSSL_GLOBAL_REF(name) _shadow_##name
 260 # endif
 261
 262 # ifdef _WIN32
 263 #  ifdef _WIN64
 264 #   define ossl_ssize_t __int64
 265 #   define OSSL_SSIZE_MAX _I64_MAX
 266 #  else
 267 #   define ossl_ssize_t int
 268 #   define OSSL_SSIZE_MAX INT_MAX
 269 #  endif
 270 # endif
 271
 272 # if defined(OPENSSL_SYS_UEFI) && !defined(ssize_t)
 273 #  define ossl_ssize_t int
 274 #  define OSSL_SSIZE_MAX INT_MAX
 275 # endif
 276
 277 # ifndef ossl_ssize_t
 278 #  define ossl_ssize_t ssize_t
 279 #  define OSSL_SSIZE_MAX SSIZE_MAX
 280 # endif
 281
 282 # ifdef DEBUG_UNUSED
 283 #  define __owur __attribute__((__warn_unused_result__))
 284 # else
 285 #  define __owur
 286 # endif
 287
 288 /* Standard integer types */
 289 # if defined(OPENSSL_SYS_UEFI)
 290 typedef INT8 int8_t;
 291 typedef UINT8 uint8_t;
 292 typedef INT16 int16_t;
 293 typedef UINT16 uint16_t;
 294 typedef INT32 int32_t;
 295 typedef UINT32 uint32_t;
 296 typedef INT64 int64_t;
 297 typedef UINT64 uint64_t;
 298 #  define PRIu64 "%Lu"
 299 # elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
 300      defined(__osf__) || defined(__sgi) || defined(__hpux) || \
 301      defined(OPENSSL_SYS_VMS)
 302 #  include <inttypes.h>
 303 # elif defined(_MSC_VER) && _MSC_VER<=1500
 304 /*
 305  * minimally required typdefs for systems not supporting inttypes.h or
 306  * stdint.h: currently just older VC++
 307  */
 308 typedef signed char int8_t;
 309 typedef unsigned char uint8_t;
 310 typedef short int16_t;
 311 typedef unsigned short uint16_t;
 312 typedef int int32_t;
 313 typedef unsigned int uint32_t;
 314 typedef __int64 int64_t;
 315 typedef unsigned __int64 uint64_t;
 316 # else
 317 #  include <stdint.h>
 318 # endif
 319
 320 /*
 321  * We need a format operator for some client tools for uint64_t.  If inttypes.h
 322  * isn't available or did not define it, just go with hard-coded.
 323  */
 324 # ifndef PRIu64
 325 #  ifdef SIXTY_FOUR_BIT_LONG
 326 #   define PRIu64 "lu"
 327 #  else
 328 #   define PRIu64 "llu"
 329 #  endif
 330 # endif
 331
 332 /* ossl_inline: portable inline definition usable in public headers */
 333 # if !defined(inline) && !defined(__cplusplus)
 334 #  if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L
 335    /* just use inline */
 336 #   define ossl_inline inline
 337 #  elif defined(__GNUC__) && __GNUC__>=2
 338 #   define ossl_inline __inline__
 339 #  elif defined(_MSC_VER)
 340   /*
 341    * Visual Studio: inline is available in C++ only, however
 342    * __inline is available for C, see
 343    * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx
 344    */
 345 #   define ossl_inline __inline
 346 #  else
 347 #   define ossl_inline
 348 #  endif
 349 # else
 350 #  define ossl_inline inline
 351 # endif
 352
 353 #ifdef  __cplusplus
 354 }
 355 #endif
 356 #endif