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b2ac9c714e
Reviewed-by: Paul Dale <ppzgs1@gmail.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14344)
53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*
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* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_E_WINSOCK_H
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# define OSSL_E_WINSOCK_H
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# pragma once
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# ifdef WINDOWS
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# if !defined(_WIN32_WCE) && !defined(_WIN32_WINNT)
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/*
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* Defining _WIN32_WINNT here in e_winsock.h implies certain "discipline."
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* Most notably we ought to check for availability of each specific
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* routine that was introduced after denoted _WIN32_WINNT with
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* GetProcAddress(). Normally newer functions are masked with higher
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* _WIN32_WINNT in SDK headers. So that if you wish to use them in
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* some module, you'd need to override _WIN32_WINNT definition in
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* the target module in order to "reach for" prototypes, but replace
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* calls to new functions with indirect calls. Alternatively it
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* might be possible to achieve the goal by /DELAYLOAD-ing .DLLs
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* and check for current OS version instead.
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*/
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# define _WIN32_WINNT 0x0501
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# endif
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# if defined(_WIN32_WINNT) || defined(_WIN32_WCE)
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/*
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* Just like defining _WIN32_WINNT including winsock2.h implies
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* certain "discipline" for maintaining [broad] binary compatibility.
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* As long as structures are invariant among Winsock versions,
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* it's sufficient to check for specific Winsock2 API availability
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* at run-time [DSO_global_lookup is recommended]...
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*/
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# include <winsock2.h>
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# include <ws2tcpip.h>
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/*
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* Clang-based C++Builder 10.3.3 toolchains cannot find C inline
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* definitions at link-time. This header defines WspiapiLoad() as an
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* __inline function. https://quality.embarcadero.com/browse/RSP-33806
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*/
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# if !defined(__BORLANDC__) || !defined(__clang__)
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# include <wspiapi.h>
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# endif
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/* yes, they have to be #included prior to <windows.h> */
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# endif
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# include <windows.h>
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# endif
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#endif /* !(OSSL_E_WINSOCK_H) */
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