| 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_E_OS2_H
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| 11 | # define HEADER_E_OS2_H
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| 12 |
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| 13 | # include <openssl/opensslconf.h>
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| 14 |
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| 15 | #ifdef __cplusplus
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| 16 | extern "C" {
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| 17 | #endif
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| 18 |
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| 19 | /******************************************************************************
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| 20 | * Detect operating systems. This probably needs completing.
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| 21 | * The result is that at least one OPENSSL_SYS_os macro should be defined.
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| 22 | * However, if none is defined, Unix is assumed.
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| 23 | **/
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| 24 |
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| 25 | # define OPENSSL_SYS_UNIX
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| 26 |
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| 27 | /* --------------------- Microsoft operating systems ---------------------- */
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| 28 |
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| 29 | /*
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| 30 | * Note that MSDOS actually denotes 32-bit environments running on top of
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| 31 | * MS-DOS, such as DJGPP one.
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| 32 | */
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| 33 | # if defined(OPENSSL_SYS_MSDOS)
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| 34 | # undef OPENSSL_SYS_UNIX
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| 35 | # endif
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| 36 |
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| 37 | /*
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| 38 | * For 32 bit environment, there seems to be the CygWin environment and then
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| 39 | * all the others that try to do the same thing Microsoft does...
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| 40 | */
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| 41 | /*
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| 42 | * UEFI lives here because it might be built with a Microsoft toolchain and
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| 43 | * we need to avoid the false positive match on Windows.
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| 44 | */
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| 45 | # if defined(OPENSSL_SYS_UEFI)
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| 46 | # undef OPENSSL_SYS_UNIX
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| 47 | # elif defined(OPENSSL_SYS_UWIN)
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| 48 | # undef OPENSSL_SYS_UNIX
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| 49 | # define OPENSSL_SYS_WIN32_UWIN
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| 50 | # else
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| 51 | # if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
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| 52 | # undef OPENSSL_SYS_UNIX
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| 53 | # define OPENSSL_SYS_WIN32_CYGWIN
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| 54 | # else
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| 55 | # if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
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| 56 | # undef OPENSSL_SYS_UNIX
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| 57 | # if !defined(OPENSSL_SYS_WIN32)
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| 58 | # define OPENSSL_SYS_WIN32
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| 59 | # endif
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| 60 | # endif
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| 61 | # if defined(_WIN64) || defined(OPENSSL_SYS_WIN64)
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| 62 | # undef OPENSSL_SYS_UNIX
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| 63 | # if !defined(OPENSSL_SYS_WIN64)
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| 64 | # define OPENSSL_SYS_WIN64
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| 65 | # endif
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| 66 | # endif
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| 67 | # if defined(OPENSSL_SYS_WINNT)
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| 68 | # undef OPENSSL_SYS_UNIX
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| 69 | # endif
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| 70 | # if defined(OPENSSL_SYS_WINCE)
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| 71 | # undef OPENSSL_SYS_UNIX
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| 72 | # endif
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| 73 | # endif
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| 74 | # endif
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| 75 |
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| 76 | /* Anything that tries to look like Microsoft is "Windows" */
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| 77 | # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
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| 78 | # undef OPENSSL_SYS_UNIX
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| 79 | # define OPENSSL_SYS_WINDOWS
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| 80 | # ifndef OPENSSL_SYS_MSDOS
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| 81 | # define OPENSSL_SYS_MSDOS
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| 82 | # endif
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| 83 | # endif
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| 84 |
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| 85 | /*
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| 86 | * DLL settings. This part is a bit tough, because it's up to the
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| 87 | * application implementor how he or she will link the application, so it
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| 88 | * requires some macro to be used.
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| 89 | */
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| 90 | # ifdef OPENSSL_SYS_WINDOWS
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| 91 | # ifndef OPENSSL_OPT_WINDLL
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| 92 | # if defined(_WINDLL) /* This is used when building OpenSSL to
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| 93 | * indicate that DLL linkage should be used */
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| 94 | # define OPENSSL_OPT_WINDLL
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| 95 | # endif
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| 96 | # endif
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| 97 | # endif
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| 98 |
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| 99 | /* ------------------------------- OpenVMS -------------------------------- */
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| 100 | # if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS)
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| 101 | # if !defined(OPENSSL_SYS_VMS)
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| 102 | # undef OPENSSL_SYS_UNIX
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| 103 | # endif
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| 104 | # define OPENSSL_SYS_VMS
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| 105 | # if defined(__DECC)
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| 106 | # define OPENSSL_SYS_VMS_DECC
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| 107 | # elif defined(__DECCXX)
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| 108 | # define OPENSSL_SYS_VMS_DECC
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| 109 | # define OPENSSL_SYS_VMS_DECCXX
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| 110 | # else
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| 111 | # define OPENSSL_SYS_VMS_NODECC
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| 112 | # endif
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| 113 | # endif
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| 114 |
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| 115 | /* -------------------------------- Unix ---------------------------------- */
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| 116 | # ifdef OPENSSL_SYS_UNIX
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| 117 | # if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX)
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| 118 | # define OPENSSL_SYS_LINUX
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| 119 | # endif
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| 120 | # if defined(_AIX) && !defined(OPENSSL_SYS_AIX)
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| 121 | # define OPENSSL_SYS_AIX
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| 122 | # endif
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| 123 | # endif
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| 124 |
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| 125 | /* -------------------------------- VOS ----------------------------------- */
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| 126 | # if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
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| 127 | # define OPENSSL_SYS_VOS
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| 128 | # ifdef __HPPA__
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| 129 | # define OPENSSL_SYS_VOS_HPPA
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| 130 | # endif
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| 131 | # ifdef __IA32__
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| 132 | # define OPENSSL_SYS_VOS_IA32
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| 133 | # endif
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| 134 | # endif
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| 135 |
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| 136 | /**
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| 137 | * That's it for OS-specific stuff
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| 138 | *****************************************************************************/
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| 139 |
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| 140 | /* Specials for I/O an exit */
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| 141 | # ifdef OPENSSL_SYS_MSDOS
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| 142 | # define OPENSSL_UNISTD_IO <io.h>
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| 143 | # define OPENSSL_DECLARE_EXIT extern void exit(int);
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| 144 | # else
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| 145 | # define OPENSSL_UNISTD_IO OPENSSL_UNISTD
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| 146 | # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
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| 147 | # endif
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| 148 |
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| 149 | /*-
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| 150 | * Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
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| 151 | * certain global symbols that, with some compilers under VMS, have to be
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| 152 | * defined and declared explicitly with globaldef and globalref.
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| 153 | * Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
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| 154 | * DLL exports and imports for compilers under Win32. These are a little
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| 155 | * more complicated to use. Basically, for any library that exports some
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| 156 | * global variables, the following code must be present in the header file
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| 157 | * that declares them, before OPENSSL_EXTERN is used:
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| 158 | *
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| 159 | * #ifdef SOME_BUILD_FLAG_MACRO
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| 160 | * # undef OPENSSL_EXTERN
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| 161 | * # define OPENSSL_EXTERN OPENSSL_EXPORT
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| 162 | * #endif
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| 163 | *
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| 164 | * The default is to have OPENSSL_EXPORT, OPENSSL_EXTERN and OPENSSL_GLOBAL
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| 165 | * have some generally sensible values.
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| 166 | */
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| 167 |
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| 168 | # if defined(OPENSSL_SYS_VMS_NODECC)
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| 169 | # define OPENSSL_EXPORT globalref
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| 170 | # define OPENSSL_EXTERN globalref
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| 171 | # define OPENSSL_GLOBAL globaldef
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| 172 | # elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
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| 173 | # define OPENSSL_EXPORT extern __declspec(dllexport)
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| 174 | # define OPENSSL_EXTERN extern __declspec(dllimport)
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| 175 | # define OPENSSL_GLOBAL
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| 176 | # else
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| 177 | # define OPENSSL_EXPORT extern
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| 178 | # define OPENSSL_EXTERN extern
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| 179 | # define OPENSSL_GLOBAL
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| 180 | # endif
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| 181 |
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| 182 | /*-
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| 183 | * Macros to allow global variables to be reached through function calls when
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| 184 | * required (if a shared library version requires it, for example.
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| 185 | * The way it's done allows definitions like this:
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| 186 | *
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| 187 | * // in foobar.c
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| 188 | * OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
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| 189 | * // in foobar.h
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| 190 | * OPENSSL_DECLARE_GLOBAL(int,foobar);
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| 191 | * #define foobar OPENSSL_GLOBAL_REF(foobar)
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| 192 | */
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| 193 | # ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
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| 194 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
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| 195 | type *_shadow_##name(void) \
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| 196 | { static type _hide_##name=value; return &_hide_##name; }
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| 197 | # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
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| 198 | # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
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| 199 | # else
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| 200 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) OPENSSL_GLOBAL type _shadow_##name=value;
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| 201 | # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
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| 202 | # define OPENSSL_GLOBAL_REF(name) _shadow_##name
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| 203 | # endif
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| 204 |
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| 205 | # ifdef _WIN32
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| 206 | # ifdef _WIN64
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| 207 | # define ossl_ssize_t __int64
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| 208 | # define OSSL_SSIZE_MAX _I64_MAX
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| 209 | # else
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| 210 | # define ossl_ssize_t int
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| 211 | # define OSSL_SSIZE_MAX INT_MAX
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| 212 | # endif
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| 213 | # endif
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| 214 |
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| 215 | # if defined(OPENSSL_SYS_UEFI) && !defined(ssize_t)
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| 216 | # define ossl_ssize_t int
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| 217 | # define OSSL_SSIZE_MAX INT_MAX
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| 218 | # endif
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| 219 |
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| 220 | # ifndef ossl_ssize_t
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| 221 | # define ossl_ssize_t ssize_t
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| 222 | # if defined(SSIZE_MAX)
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| 223 | # define OSSL_SSIZE_MAX SSIZE_MAX
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| 224 | # elif defined(_POSIX_SSIZE_MAX)
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| 225 | # define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX
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| 226 | # endif
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| 227 | # endif
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| 228 |
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| 229 | # ifdef DEBUG_UNUSED
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| 230 | # define __owur __attribute__((__warn_unused_result__))
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| 231 | # else
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| 232 | # define __owur
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| 233 | # endif
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| 234 |
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| 235 | /* Standard integer types */
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| 236 | # if defined(OPENSSL_SYS_UEFI)
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| 237 | typedef INT8 int8_t;
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| 238 | typedef UINT8 uint8_t;
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| 239 | typedef INT16 int16_t;
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| 240 | typedef UINT16 uint16_t;
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| 241 | typedef INT32 int32_t;
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| 242 | typedef UINT32 uint32_t;
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| 243 | typedef INT64 int64_t;
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| 244 | typedef UINT64 uint64_t;
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| 245 | # define PRIu64 "%Lu"
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| 246 | # elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
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| 247 | defined(__osf__) || defined(__sgi) || defined(__hpux) || \
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| 248 | defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__)
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| 249 | # include <inttypes.h>
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| 250 | # elif defined(_MSC_VER) && _MSC_VER<=1500
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| 251 | /*
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| 252 | * minimally required typdefs for systems not supporting inttypes.h or
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| 253 | * stdint.h: currently just older VC++
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| 254 | */
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| 255 | typedef signed char int8_t;
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| 256 | typedef unsigned char uint8_t;
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| 257 | typedef short int16_t;
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| 258 | typedef unsigned short uint16_t;
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| 259 | typedef int int32_t;
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| 260 | typedef unsigned int uint32_t;
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| 261 | typedef __int64 int64_t;
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| 262 | typedef unsigned __int64 uint64_t;
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| 263 | # else
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| 264 | # include <stdint.h>
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| 265 | # endif
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| 266 |
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| 267 | /*
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| 268 | * We need a format operator for some client tools for uint64_t. If inttypes.h
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| 269 | * isn't available or did not define it, just go with hard-coded.
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| 270 | */
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| 271 | # ifndef PRIu64
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| 272 | # ifdef SIXTY_FOUR_BIT_LONG
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| 273 | # define PRIu64 "lu"
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| 274 | # else
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| 275 | # define PRIu64 "llu"
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| 276 | # endif
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| 277 | # endif
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| 278 |
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| 279 | /* ossl_inline: portable inline definition usable in public headers */
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| 280 | # if !defined(inline) && !defined(__cplusplus)
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| 281 | # if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L
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| 282 | /* just use inline */
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| 283 | # define ossl_inline inline
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| 284 | # elif defined(__GNUC__) && __GNUC__>=2
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| 285 | # define ossl_inline __inline__
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| 286 | # elif defined(_MSC_VER)
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| 287 | /*
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| 288 | * Visual Studio: inline is available in C++ only, however
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| 289 | * __inline is available for C, see
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| 290 | * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx
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| 291 | */
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| 292 | # define ossl_inline __inline
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| 293 | # else
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| 294 | # define ossl_inline
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| 295 | # endif
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| 296 | # else
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| 297 | # define ossl_inline inline
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| 298 | # endif
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| 299 |
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| 300 | # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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| 301 | # define ossl_noreturn _Noreturn
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| 302 | # elif defined(__GNUC__) && __GNUC__ >= 2
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| 303 | # define ossl_noreturn __attribute__((noreturn))
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| 304 | # else
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| 305 | # define ossl_noreturn
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| 306 | # endif
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| 307 |
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| 308 | #ifdef __cplusplus
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| 309 | }
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| 310 | #endif
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| 311 | #endif
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