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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/crypto/openssl/include/internal/e_winsock.h
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/*

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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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