[a1bae3e] | 1 | /* e_os2.h */ |
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| 2 | /* ==================================================================== |
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| 3 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in |
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| 14 | * the documentation and/or other materials provided with the |
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| 15 | * distribution. |
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| 16 | * |
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| 17 | * 3. All advertising materials mentioning features or use of this |
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| 18 | * software must display the following acknowledgment: |
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| 19 | * "This product includes software developed by the OpenSSL Project |
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| 20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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| 21 | * |
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| 22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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| 23 | * endorse or promote products derived from this software without |
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| 24 | * prior written permission. For written permission, please contact |
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| 25 | * openssl-core@openssl.org. |
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| 26 | * |
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| 27 | * 5. Products derived from this software may not be called "OpenSSL" |
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| 28 | * nor may "OpenSSL" appear in their names without prior written |
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| 29 | * permission of the OpenSSL Project. |
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| 30 | * |
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| 31 | * 6. Redistributions of any form whatsoever must retain the following |
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| 32 | * acknowledgment: |
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| 33 | * "This product includes software developed by the OpenSSL Project |
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| 34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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| 35 | * |
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| 36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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| 37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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| 40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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| 45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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| 47 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 48 | * ==================================================================== |
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| 49 | * |
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| 50 | * This product includes cryptographic software written by Eric Young |
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| 51 | * (eay@cryptsoft.com). This product includes software written by Tim |
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| 52 | * Hudson (tjh@cryptsoft.com). |
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| 53 | * |
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| 54 | */ |
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| 55 | |
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| 56 | #include <openssl/opensslconf.h> |
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| 57 | |
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| 58 | #ifndef HEADER_E_OS2_H |
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| 59 | #define HEADER_E_OS2_H |
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| 60 | |
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| 61 | #ifdef __cplusplus |
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| 62 | extern "C" { |
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| 63 | #endif |
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| 64 | |
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| 65 | /****************************************************************************** |
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| 66 | * Detect operating systems. This probably needs completing. |
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| 67 | * The result is that at least one OPENSSL_SYS_os macro should be defined. |
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| 68 | * However, if none is defined, Unix is assumed. |
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| 69 | **/ |
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| 70 | |
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| 71 | #define OPENSSL_SYS_UNIX |
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| 72 | |
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| 73 | /* ----------------------- Macintosh, before MacOS X ----------------------- */ |
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| 74 | #if defined(__MWERKS__) && defined(macintosh) || defined(OPENSSL_SYSNAME_MAC) |
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| 75 | # undef OPENSSL_SYS_UNIX |
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| 76 | # define OPENSSL_SYS_MACINTOSH_CLASSIC |
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| 77 | #endif |
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| 78 | |
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| 79 | /* ----------------------- NetWare ----------------------------------------- */ |
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| 80 | #if defined(NETWARE) || defined(OPENSSL_SYSNAME_NETWARE) |
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| 81 | # undef OPENSSL_SYS_UNIX |
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| 82 | # define OPENSSL_SYS_NETWARE |
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| 83 | #endif |
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| 84 | |
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| 85 | /* ---------------------- Microsoft operating systems ---------------------- */ |
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| 86 | |
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| 87 | /* The 16 bit environments are pretty straightforward */ |
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| 88 | #if defined(OPENSSL_SYSNAME_WIN16) || defined(OPENSSL_SYSNAME_MSDOS) |
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| 89 | # undef OPENSSL_SYS_UNIX |
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| 90 | # define OPENSSL_SYS_MSDOS |
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| 91 | #endif |
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| 92 | #if defined(OPENSSL_SYSNAME_WIN16) |
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| 93 | # undef OPENSSL_SYS_UNIX |
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| 94 | # define OPENSSL_SYS_WIN16 |
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| 95 | #endif |
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| 96 | |
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| 97 | /* For 32 bit environment, there seems to be the CygWin environment and then |
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| 98 | all the others that try to do the same thing Microsoft does... */ |
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| 99 | #if defined(OPENSSL_SYSNAME_UWIN) |
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| 100 | # undef OPENSSL_SYS_UNIX |
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| 101 | # define OPENSSL_SYS_WIN32_UWIN |
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| 102 | #else |
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| 103 | # if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32) |
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| 104 | # undef OPENSSL_SYS_UNIX |
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| 105 | # define OPENSSL_SYS_WIN32_CYGWIN |
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| 106 | # else |
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| 107 | # if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32) |
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| 108 | # undef OPENSSL_SYS_UNIX |
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| 109 | # define OPENSSL_SYS_WIN32 |
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| 110 | # endif |
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| 111 | # if defined(OPENSSL_SYSNAME_WINNT) |
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| 112 | # undef OPENSSL_SYS_UNIX |
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| 113 | # define OPENSSL_SYS_WINNT |
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| 114 | # endif |
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| 115 | # if defined(OPENSSL_SYSNAME_WINCE) |
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| 116 | # undef OPENSSL_SYS_UNIX |
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| 117 | # define OPENSSL_SYS_WINCE |
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| 118 | # endif |
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| 119 | # endif |
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| 120 | #endif |
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| 121 | |
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| 122 | /* Anything that tries to look like Microsoft is "Windows" */ |
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| 123 | #if defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE) |
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| 124 | # undef OPENSSL_SYS_UNIX |
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| 125 | # define OPENSSL_SYS_WINDOWS |
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| 126 | # ifndef OPENSSL_SYS_MSDOS |
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| 127 | # define OPENSSL_SYS_MSDOS |
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| 128 | # endif |
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| 129 | #endif |
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| 130 | |
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| 131 | /* DLL settings. This part is a bit tough, because it's up to the application |
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| 132 | implementor how he or she will link the application, so it requires some |
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| 133 | macro to be used. */ |
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| 134 | #ifdef OPENSSL_SYS_WINDOWS |
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| 135 | # ifndef OPENSSL_OPT_WINDLL |
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| 136 | # if defined(_WINDLL) /* This is used when building OpenSSL to indicate that |
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| 137 | DLL linkage should be used */ |
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| 138 | # define OPENSSL_OPT_WINDLL |
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| 139 | # endif |
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| 140 | # endif |
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| 141 | #endif |
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| 142 | |
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| 143 | /* -------------------------------- OpenVMS -------------------------------- */ |
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| 144 | #if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS) |
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| 145 | # undef OPENSSL_SYS_UNIX |
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| 146 | # define OPENSSL_SYS_VMS |
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| 147 | # if defined(__DECC) |
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| 148 | # define OPENSSL_SYS_VMS_DECC |
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| 149 | # elif defined(__DECCXX) |
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| 150 | # define OPENSSL_SYS_VMS_DECC |
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| 151 | # define OPENSSL_SYS_VMS_DECCXX |
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| 152 | # else |
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| 153 | # define OPENSSL_SYS_VMS_NODECC |
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| 154 | # endif |
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| 155 | #endif |
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| 156 | |
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| 157 | /* --------------------------------- OS/2 ---------------------------------- */ |
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| 158 | #if defined(__EMX__) || defined(__OS2__) |
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| 159 | # undef OPENSSL_SYS_UNIX |
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| 160 | # define OPENSSL_SYS_OS2 |
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| 161 | #endif |
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| 162 | |
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| 163 | /* --------------------------------- Unix ---------------------------------- */ |
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| 164 | #ifdef OPENSSL_SYS_UNIX |
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| 165 | # if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX) |
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| 166 | # define OPENSSL_SYS_LINUX |
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| 167 | # endif |
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| 168 | # ifdef OPENSSL_SYSNAME_MPE |
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| 169 | # define OPENSSL_SYS_MPE |
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| 170 | # endif |
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| 171 | # ifdef OPENSSL_SYSNAME_SNI |
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| 172 | # define OPENSSL_SYS_SNI |
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| 173 | # endif |
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| 174 | # ifdef OPENSSL_SYSNAME_ULTRASPARC |
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| 175 | # define OPENSSL_SYS_ULTRASPARC |
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| 176 | # endif |
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| 177 | # ifdef OPENSSL_SYSNAME_NEWS4 |
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| 178 | # define OPENSSL_SYS_NEWS4 |
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| 179 | # endif |
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| 180 | # ifdef OPENSSL_SYSNAME_MACOSX |
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| 181 | # define OPENSSL_SYS_MACOSX |
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| 182 | # endif |
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| 183 | # ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY |
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| 184 | # define OPENSSL_SYS_MACOSX_RHAPSODY |
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| 185 | # define OPENSSL_SYS_MACOSX |
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| 186 | # endif |
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| 187 | # ifdef OPENSSL_SYSNAME_SUNOS |
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| 188 | # define OPENSSL_SYS_SUNOS |
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| 189 | #endif |
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| 190 | # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY) |
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| 191 | # define OPENSSL_SYS_CRAY |
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| 192 | # endif |
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| 193 | # if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX) |
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| 194 | # define OPENSSL_SYS_AIX |
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| 195 | # endif |
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| 196 | #endif |
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| 197 | |
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| 198 | /* --------------------------------- VOS ----------------------------------- */ |
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| 199 | #ifdef OPENSSL_SYSNAME_VOS |
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| 200 | # define OPENSSL_SYS_VOS |
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| 201 | #endif |
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| 202 | |
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| 203 | /* ------------------------------- VxWorks --------------------------------- */ |
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| 204 | #ifdef OPENSSL_SYSNAME_VXWORKS |
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| 205 | # define OPENSSL_SYS_VXWORKS |
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| 206 | #endif |
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| 207 | |
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| 208 | /** |
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| 209 | * That's it for OS-specific stuff |
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| 210 | *****************************************************************************/ |
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| 211 | |
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| 212 | |
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| 213 | /* Specials for I/O an exit */ |
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| 214 | #ifdef OPENSSL_SYS_WIN16 |
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| 215 | # define OPENSSL_NO_FP_API |
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| 216 | #endif |
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| 217 | #ifdef OPENSSL_SYS_MSDOS |
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| 218 | # define OPENSSL_UNISTD_IO <io.h> |
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| 219 | # define OPENSSL_DECLARE_EXIT extern void exit(int); |
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| 220 | #else |
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| 221 | # define OPENSSL_UNISTD_IO OPENSSL_UNISTD |
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| 222 | # define OPENSSL_DECLARE_EXIT /* declared in unistd.h */ |
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| 223 | #endif |
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| 224 | |
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| 225 | /* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare |
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| 226 | certain global symbols that, with some compilers under VMS, have to be |
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| 227 | defined and declared explicitely with globaldef and globalref. |
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| 228 | Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare |
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| 229 | DLL exports and imports for compilers under Win32. These are a little |
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| 230 | more complicated to use. Basically, for any library that exports some |
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| 231 | global variables, the following code must be present in the header file |
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| 232 | that declares them, before OPENSSL_EXTERN is used: |
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| 233 | |
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| 234 | #ifdef SOME_BUILD_FLAG_MACRO |
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| 235 | # undef OPENSSL_EXTERN |
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| 236 | # define OPENSSL_EXTERN OPENSSL_EXPORT |
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| 237 | #endif |
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| 238 | |
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| 239 | The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL |
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| 240 | have some generally sensible values, and for OPENSSL_EXTERN to have the |
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| 241 | value OPENSSL_IMPORT. |
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| 242 | */ |
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| 243 | |
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| 244 | #if defined(OPENSSL_SYS_VMS_NODECC) |
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| 245 | # define OPENSSL_EXPORT globalref |
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| 246 | # define OPENSSL_IMPORT globalref |
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| 247 | # define OPENSSL_GLOBAL globaldef |
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| 248 | #elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL) |
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| 249 | # define OPENSSL_EXPORT extern __declspec(dllexport) |
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| 250 | # define OPENSSL_IMPORT extern __declspec(dllimport) |
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| 251 | # define OPENSSL_GLOBAL |
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| 252 | #else |
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| 253 | # define OPENSSL_EXPORT extern |
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| 254 | # define OPENSSL_IMPORT extern |
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| 255 | # define OPENSSL_GLOBAL |
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| 256 | #endif |
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| 257 | #define OPENSSL_EXTERN OPENSSL_IMPORT |
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| 258 | |
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| 259 | /* Macros to allow global variables to be reached through function calls when |
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| 260 | required (if a shared library version requvres it, for example. |
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| 261 | The way it's done allows definitions like this: |
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| 262 | |
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| 263 | // in foobar.c |
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| 264 | OPENSSL_IMPLEMENT_GLOBAL(int,foobar) = 0; |
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| 265 | // in foobar.h |
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| 266 | OPENSSL_DECLARE_GLOBAL(int,foobar); |
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| 267 | #define foobar OPENSSL_GLOBAL_REF(foobar) |
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| 268 | */ |
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| 269 | #ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION |
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| 270 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) \ |
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| 271 | extern type _hide_##name; \ |
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| 272 | type *_shadow_##name(void) { return &_hide_##name; } \ |
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| 273 | static type _hide_##name |
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| 274 | # define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void) |
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| 275 | # define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name())) |
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| 276 | #else |
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| 277 | # define OPENSSL_IMPLEMENT_GLOBAL(type,name) OPENSSL_GLOBAL type _shadow_##name |
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| 278 | # define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name |
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| 279 | # define OPENSSL_GLOBAL_REF(name) _shadow_##name |
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| 280 | #endif |
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| 281 | |
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| 282 | #ifdef __cplusplus |
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| 283 | } |
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| 284 | #endif |
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| 285 | #endif |
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