X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=e_os2.h;h=12bad8acc405570bea3458513f0e97307961e1a5;hp=bd97b921a8f513674abd0bb3360ea24711dd2c26;hb=f161995e0e1a77415354b1690fb92ae3f1480547;hpb=e766a681aa4df604b20ce2d23cd131b74af9eaf7 diff --git a/e_os2.h b/e_os2.h index bd97b921a8..12bad8acc4 100644 --- a/e_os2.h +++ b/e_os2.h @@ -1,38 +1,274 @@ /* e_os2.h */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include #ifndef HEADER_E_OS2_H -#define HEADER_E_OS2_H +# define HEADER_E_OS2_H #ifdef __cplusplus extern "C" { #endif -#include /* OPENSSL_UNISTD */ +/****************************************************************************** + * Detect operating systems. This probably needs completing. + * The result is that at least one OPENSSL_SYS_os macro should be defined. + * However, if none is defined, Unix is assumed. + **/ -#ifdef MSDOS -# define OPENSSL_UNISTD_IO -# define OPENSSL_DECLARE_EXIT extern void exit(int); -#else -# define OPENSSL_UNISTD_IO OPENSSL_UNISTD -# define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ -#endif +# define OPENSSL_SYS_UNIX -/* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, - to define and declare certain global - symbols that, with some compilers under VMS, have to be defined and - declared explicitely with globaldef and globalref. On other OS:es, - these macros are defined with something sensible. */ - -#if defined(VMS) && !defined(__DECC) -# define OPENSSL_EXTERN globalref -# define OPENSSL_GLOBAL globaldef -#else -# define OPENSSL_EXTERN extern -# define OPENSSL_GLOBAL -#endif +/* ---------------------- NetWare ----------------------------------------- */ +# if defined(NETWARE) && !defined(OPENSSL_SYS_NETWARE) +# undef OPENSSL_SYS_UNIX +# define OPENSSL_SYS_NETWARE +# endif + +/* --------------------- Microsoft operating systems ---------------------- */ + +/* + * Note that MSDOS actually denotes 32-bit environments running on top of + * MS-DOS, such as DJGPP one. + */ +# if defined(OPENSSL_SYS_MSDOS) +# undef OPENSSL_SYS_UNIX +# endif + +/* + * For 32 bit environment, there seems to be the CygWin environment and then + * all the others that try to do the same thing Microsoft does... + */ +# if defined(OPENSSL_SYS_UWIN) +# undef OPENSSL_SYS_UNIX +# define OPENSSL_SYS_WIN32_UWIN +# else +# if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN) +# undef OPENSSL_SYS_UNIX +# define OPENSSL_SYS_WIN32_CYGWIN +# else +# if defined(_WIN32) || defined(OPENSSL_SYS_WIN32) +# undef OPENSSL_SYS_UNIX +# if !defined(OPENSSL_SYS_WIN32) +# define OPENSSL_SYS_WIN32 +# endif +# endif +# if defined(OPENSSL_SYS_WINNT) +# undef OPENSSL_SYS_UNIX +# endif +# if defined(OPENSSL_SYS_WINCE) +# undef OPENSSL_SYS_UNIX +# endif +# endif +# endif + +/* Anything that tries to look like Microsoft is "Windows" */ +# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) +# undef OPENSSL_SYS_UNIX +# define OPENSSL_SYS_WINDOWS +# ifndef OPENSSL_SYS_MSDOS +# define OPENSSL_SYS_MSDOS +# endif +# endif + +/* + * DLL settings. This part is a bit tough, because it's up to the + * application implementor how he or she will link the application, so it + * requires some macro to be used. + */ +# ifdef OPENSSL_SYS_WINDOWS +# ifndef OPENSSL_OPT_WINDLL +# if defined(_WINDLL) /* This is used when building OpenSSL to + * indicate that DLL linkage should be used */ +# define OPENSSL_OPT_WINDLL +# endif +# endif +# endif + +/* ------------------------------- OpenVMS -------------------------------- */ +# if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS) +# if !defined(OPENSSL_SYS_VMS) +# undef OPENSSL_SYS_UNIX +# endif +# define OPENSSL_SYS_VMS +# if defined(__DECC) +# define OPENSSL_SYS_VMS_DECC +# elif defined(__DECCXX) +# define OPENSSL_SYS_VMS_DECC +# define OPENSSL_SYS_VMS_DECCXX +# else +# define OPENSSL_SYS_VMS_NODECC +# endif +# endif + +/* -------------------------------- OS/2 ---------------------------------- */ +# if defined(__EMX__) || defined(__OS2__) +# undef OPENSSL_SYS_UNIX +# define OPENSSL_SYS_OS2 +# endif + +/* -------------------------------- Unix ---------------------------------- */ +# ifdef OPENSSL_SYS_UNIX +# if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX) +# define OPENSSL_SYS_LINUX +# endif +# if defined(_AIX) && !defined(OPENSSL_SYS_AIX) +# define OPENSSL_SYS_AIX +# endif +# endif + +/* -------------------------------- VOS ----------------------------------- */ +# if defined(__VOS__) && !defined(OPENSSL_SYS_VOS) +# define OPENSSL_SYS_VOS +# ifdef __HPPA__ +# define OPENSSL_SYS_VOS_HPPA +# endif +# ifdef __IA32__ +# define OPENSSL_SYS_VOS_IA32 +# endif +# endif + +/** + * That's it for OS-specific stuff + *****************************************************************************/ + +/* Specials for I/O an exit */ +# ifdef OPENSSL_SYS_MSDOS +# define OPENSSL_UNISTD_IO +# define OPENSSL_DECLARE_EXIT extern void exit(int); +# else +# define OPENSSL_UNISTD_IO OPENSSL_UNISTD +# define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ +# endif + +/*- + * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare + * certain global symbols that, with some compilers under VMS, have to be + * defined and declared explicitely with globaldef and globalref. + * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare + * DLL exports and imports for compilers under Win32. These are a little + * more complicated to use. Basically, for any library that exports some + * global variables, the following code must be present in the header file + * that declares them, before OPENSSL_EXTERN is used: + * + * #ifdef SOME_BUILD_FLAG_MACRO + * # undef OPENSSL_EXTERN + * # define OPENSSL_EXTERN OPENSSL_EXPORT + * #endif + * + * The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL + * have some generally sensible values, and for OPENSSL_EXTERN to have the + * value OPENSSL_IMPORT. + */ + +# if defined(OPENSSL_SYS_VMS_NODECC) +# define OPENSSL_EXPORT globalref +# define OPENSSL_IMPORT globalref +# define OPENSSL_GLOBAL globaldef +# elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) +# define OPENSSL_EXPORT extern __declspec(dllexport) +# define OPENSSL_IMPORT extern __declspec(dllimport) +# define OPENSSL_GLOBAL +# else +# define OPENSSL_EXPORT extern +# define OPENSSL_IMPORT extern +# define OPENSSL_GLOBAL +# endif +# define OPENSSL_EXTERN OPENSSL_IMPORT + +/*- + * Macros to allow global variables to be reached through function calls when + * required (if a shared library version requires it, for example. + * The way it's done allows definitions like this: + * + * // in foobar.c + * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0) + * // in foobar.h + * OPENSSL_DECLARE_GLOBAL(int,foobar); + * #define foobar OPENSSL_GLOBAL_REF(foobar) + */ +# ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION +# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \ + type *_shadow_##name(void) \ + { static type _hide_##name=value; return &_hide_##name; } +# define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) +# define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) +# else +# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value; +# define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name +# define OPENSSL_GLOBAL_REF(name) _shadow_##name +# endif + +# ifdef OPENSSL_SYS_MSDOS +# define ossl_ssize_t long +# endif + +# if defined(__ultrix) && !defined(ssize_t) +# define ossl_ssize_t int +# endif + +# ifndef ossl_ssize_t +# define ossl_ssize_t ssize_t +# endif + +# ifdef DEBUG_UNUSED +# define __owur __attribute__((__warn_unused_result__)) +# else +# define __owur +# endif #ifdef __cplusplus } #endif #endif -