e_os2.h 9.7 KB

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  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. #include <openssl/opensslconf.h>
  56. #ifndef HEADER_E_OS2_H
  57. #define HEADER_E_OS2_H
  58. #ifdef __cplusplus
  59. extern "C" {
  60. #endif
  61. /******************************************************************************
  62. * Detect operating systems. This probably needs completing.
  63. * The result is that at least one OPENSSL_SYS_os macro should be defined.
  64. * However, if none is defined, Unix is assumed.
  65. **/
  66. #define OPENSSL_SYS_UNIX
  67. /* ----------------------- Macintosh, before MacOS X ----------------------- */
  68. #if defined(__MWERKS__) && defined(macintosh) || defined(OPENSSL_SYSNAME_MAC)
  69. # undef OPENSSL_SYS_UNIX
  70. # define OPENSSL_SYS_MACINTOSH_CLASSIC
  71. #endif
  72. /* ----------------------- NetWare ----------------------------------------- */
  73. #if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE)
  74. # undef OPENSSL_SYS_UNIX
  75. # define OPENSSL_SYS_NETWARE
  76. #endif
  77. /* ---------------------- Microsoft operating systems ---------------------- */
  78. /* Note that MSDOS actually denotes 32-bit environments running on top of
  79. MS-DOS, such as DJGPP one. */
  80. #if defined(OPENSSL_SYSNAME_MSDOS)
  81. # undef OPENSSL_SYS_UNIX
  82. # define OPENSSL_SYS_MSDOS
  83. #endif
  84. /* For 32 bit environment, there seems to be the CygWin environment and then
  85. all the others that try to do the same thing Microsoft does... */
  86. #if defined(OPENSSL_SYSNAME_UWIN)
  87. # undef OPENSSL_SYS_UNIX
  88. # define OPENSSL_SYS_WIN32_UWIN
  89. #else
  90. # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
  91. # undef OPENSSL_SYS_UNIX
  92. # define OPENSSL_SYS_WIN32_CYGWIN
  93. # else
  94. # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
  95. # undef OPENSSL_SYS_UNIX
  96. # define OPENSSL_SYS_WIN32
  97. # endif
  98. # if defined(OPENSSL_SYSNAME_WINNT)
  99. # undef OPENSSL_SYS_UNIX
  100. # define OPENSSL_SYS_WINNT
  101. # endif
  102. # if defined(OPENSSL_SYSNAME_WINCE)
  103. # undef OPENSSL_SYS_UNIX
  104. # define OPENSSL_SYS_WINCE
  105. # endif
  106. # endif
  107. #endif
  108. /* Anything that tries to look like Microsoft is "Windows" */
  109. #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
  110. # undef OPENSSL_SYS_UNIX
  111. # define OPENSSL_SYS_WINDOWS
  112. # ifndef OPENSSL_SYS_MSDOS
  113. # define OPENSSL_SYS_MSDOS
  114. # endif
  115. #endif
  116. /* DLL settings. This part is a bit tough, because it's up to the application
  117. implementor how he or she will link the application, so it requires some
  118. macro to be used. */
  119. #ifdef OPENSSL_SYS_WINDOWS
  120. # ifndef OPENSSL_OPT_WINDLL
  121. # if defined(_WINDLL) /* This is used when building OpenSSL to indicate that
  122. DLL linkage should be used */
  123. # define OPENSSL_OPT_WINDLL
  124. # endif
  125. # endif
  126. #endif
  127. /* -------------------------------- OpenVMS -------------------------------- */
  128. #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
  129. # undef OPENSSL_SYS_UNIX
  130. # define OPENSSL_SYS_VMS
  131. # if defined(__DECC)
  132. # define OPENSSL_SYS_VMS_DECC
  133. # elif defined(__DECCXX)
  134. # define OPENSSL_SYS_VMS_DECC
  135. # define OPENSSL_SYS_VMS_DECCXX
  136. # else
  137. # define OPENSSL_SYS_VMS_NODECC
  138. # endif
  139. #endif
  140. /* --------------------------------- OS/2 ---------------------------------- */
  141. #if defined(__EMX__) || defined(__OS2__)
  142. # undef OPENSSL_SYS_UNIX
  143. # define OPENSSL_SYS_OS2
  144. #endif
  145. /* --------------------------------- Unix ---------------------------------- */
  146. #ifdef OPENSSL_SYS_UNIX
  147. # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
  148. # define OPENSSL_SYS_LINUX
  149. # endif
  150. # ifdef OPENSSL_SYSNAME_MPE
  151. # define OPENSSL_SYS_MPE
  152. # endif
  153. # ifdef OPENSSL_SYSNAME_SNI
  154. # define OPENSSL_SYS_SNI
  155. # endif
  156. # ifdef OPENSSL_SYSNAME_ULTRASPARC
  157. # define OPENSSL_SYS_ULTRASPARC
  158. # endif
  159. # ifdef OPENSSL_SYSNAME_NEWS4
  160. # define OPENSSL_SYS_NEWS4
  161. # endif
  162. # ifdef OPENSSL_SYSNAME_MACOSX
  163. # define OPENSSL_SYS_MACOSX
  164. # endif
  165. # ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY
  166. # define OPENSSL_SYS_MACOSX_RHAPSODY
  167. # define OPENSSL_SYS_MACOSX
  168. # endif
  169. # ifdef OPENSSL_SYSNAME_SUNOS
  170. # define OPENSSL_SYS_SUNOS
  171. #endif
  172. # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
  173. # define OPENSSL_SYS_CRAY
  174. # endif
  175. # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
  176. # define OPENSSL_SYS_AIX
  177. # endif
  178. #endif
  179. /* --------------------------------- VOS ----------------------------------- */
  180. #ifdef OPENSSL_SYSNAME_VOS
  181. # define OPENSSL_SYS_VOS
  182. #endif
  183. /* ------------------------------- VxWorks --------------------------------- */
  184. #ifdef OPENSSL_SYSNAME_VXWORKS
  185. # define OPENSSL_SYS_VXWORKS
  186. #endif
  187. /* --------------------------------- BeOS ---------------------------------- */
  188. #if defined(__BEOS__)
  189. # define OPENSSL_SYS_BEOS
  190. # include <sys/socket.h>
  191. # if defined(BONE_VERSION)
  192. # define OPENSSL_SYS_BEOS_BONE
  193. # else
  194. # define OPENSSL_SYS_BEOS_R5
  195. # endif
  196. #endif
  197. /**
  198. * That's it for OS-specific stuff
  199. *****************************************************************************/
  200. /* Specials for I/O an exit */
  201. #ifdef OPENSSL_SYS_MSDOS
  202. # define OPENSSL_UNISTD_IO <io.h>
  203. # define OPENSSL_DECLARE_EXIT extern void exit(int);
  204. #else
  205. # define OPENSSL_UNISTD_IO OPENSSL_UNISTD
  206. # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
  207. #endif
  208. /* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
  209. certain global symbols that, with some compilers under VMS, have to be
  210. defined and declared explicitely with globaldef and globalref.
  211. Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
  212. DLL exports and imports for compilers under Win32. These are a little
  213. more complicated to use. Basically, for any library that exports some
  214. global variables, the following code must be present in the header file
  215. that declares them, before OPENSSL_EXTERN is used:
  216. #ifdef SOME_BUILD_FLAG_MACRO
  217. # undef OPENSSL_EXTERN
  218. # define OPENSSL_EXTERN OPENSSL_EXPORT
  219. #endif
  220. The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
  221. have some generally sensible values, and for OPENSSL_EXTERN to have the
  222. value OPENSSL_IMPORT.
  223. */
  224. #if defined(OPENSSL_SYS_VMS_NODECC)
  225. # define OPENSSL_EXPORT globalref
  226. # define OPENSSL_IMPORT globalref
  227. # define OPENSSL_GLOBAL globaldef
  228. #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
  229. # define OPENSSL_EXPORT extern __declspec(dllexport)
  230. # define OPENSSL_IMPORT extern __declspec(dllimport)
  231. # define OPENSSL_GLOBAL
  232. #else
  233. # define OPENSSL_EXPORT extern
  234. # define OPENSSL_IMPORT extern
  235. # define OPENSSL_GLOBAL
  236. #endif
  237. #define OPENSSL_EXTERN OPENSSL_IMPORT
  238. /* Macros to allow global variables to be reached through function calls when
  239. required (if a shared library version requires it, for example.
  240. The way it's done allows definitions like this:
  241. // in foobar.c
  242. OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
  243. // in foobar.h
  244. OPENSSL_DECLARE_GLOBAL(int,foobar);
  245. #define foobar OPENSSL_GLOBAL_REF(foobar)
  246. */
  247. #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
  248. # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
  249. type *_shadow_##name(void) \
  250. { static type _hide_##name=value; return &_hide_##name; }
  251. # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
  252. # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
  253. #else
  254. # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
  255. # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
  256. # define OPENSSL_GLOBAL_REF(name) _shadow_##name
  257. #endif
  258. #ifdef DEBUG_UNUSED
  259. #define __owur __attribute__((__warn_unused_result__))
  260. #else
  261. #define __owur
  262. #endif
  263. #ifdef __cplusplus
  264. }
  265. #endif
  266. #endif