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37fd7d5210
Define `_POSIX_C_SOURCE` and `_XOPEN_SOURCE` in a single place that applies everywhere, to make things simple. This may break some platforms that require special handling for POSIX functions and types. Subsequent commits will add platform-specific hacks as needed. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/**
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* \file mbedtls_platform_requirements.h
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*
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* \brief Declare macros that tell system headers what we expect of them.
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*
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* This file must be included before any system header, and so in particular
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* before build_info.h (which includes the user config, which may include
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* system headers).
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef MBEDTLS_MBEDTLS_PLATFORM_REQUIREMENTS_H
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#define MBEDTLS_MBEDTLS_PLATFORM_REQUIREMENTS_H
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#if !defined(_POSIX_C_SOURCE)
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/* For standards-compliant access to
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* getaddrinfo(),
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* ... */
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#define _POSIX_C_SOURCE 200112L
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#endif
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#if !defined(_XOPEN_SOURCE)
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/* For standards-compliant access to
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* sockaddr_storage,
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* ... */
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#define _XOPEN_SOURCE 600
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#endif
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/* On Mingw-w64, force the use of a C99-compliant printf() and friends.
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* This is necessary on older versions of Mingw and/or Windows runtimes
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* where snprintf does not always zero-terminate the buffer, and does
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* not support formats such as "%zu" for size_t and "%lld" for long long.
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*
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* Defining __USE_MINGW_ANSI_STDIO=0 may work and provide a small code size
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* and performance benefit for some combinations of older Mingw and Windows
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* versions. Do this at your own risk and make sure that least
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* test_suite_debug passes.
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*/
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#if !defined(__USE_MINGW_ANSI_STDIO)
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#define __USE_MINGW_ANSI_STDIO 1
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#endif
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#endif /* MBEDTLS_MBEDTLS_PLATFORM_REQUIREMENTS_H */
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