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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* -*-c-*-
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* Query Mbed TLS compile time configurations from mbedtls_config.h
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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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#include "mbedtls/build_info.h"
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#include "query_config.h"
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#include "mbedtls/platform.h"
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#include <string.h>
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/* Work around https://github.com/Mbed-TLS/TF-PSA-Crypto/issues/393 */
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#if defined(MBEDTLS_HAVE_TIME)
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#include <mbedtls/platform_time.h>
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#endif
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/* *INDENT-OFF* */
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INCLUDE_HEADERS
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/* *INDENT-ON* */
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/*
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* Helper macros to convert a macro or its expansion into a string
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* WARNING: This does not work for expanding function-like macros. However,
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* Mbed TLS does not currently have configuration options used in this fashion.
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*/
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#define MACRO_EXPANSION_TO_STR(macro) MACRO_NAME_TO_STR(macro)
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#define MACRO_NAME_TO_STR(macro) \
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mbedtls_printf("%s", strlen( #macro "") > 0 ? #macro "\n" : "")
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#define STRINGIFY(macro) #macro
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#define OUTPUT_MACRO_NAME_VALUE(macro) mbedtls_printf( #macro "%s\n", \
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(STRINGIFY(macro) "")[0] != 0 ? "=" STRINGIFY( \
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macro) : "")
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#if defined(_MSC_VER)
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/*
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* Visual Studio throws the warning 4003 because many Mbed TLS feature macros
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* are defined empty. This means that from the preprocessor's point of view
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* the macro MBEDTLS_EXPANSION_TO_STR is being invoked without arguments as
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* some macros expand to nothing. We suppress that specific warning to get a
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* clean build and to ensure that tests treating warnings as errors do not
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* fail.
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*/
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#pragma warning(push)
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#pragma warning(disable:4003)
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#endif /* _MSC_VER */
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int query_config(const char *config)
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{
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CHECK_CONFIG /* If the symbol is not found, return an error */
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return 1;
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}
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void list_config(void)
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{
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LIST_CONFIG
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}
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif /* _MSC_VER */
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