/*
 *  Query Mbed TLS compile time configurations from mbedtls_config.h
 *
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#include "mbedtls/build_info.h"

#include "query_config.h"

#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_C */

/*
 * Include all the headers with public APIs in case they define a macro to its
 * default value when that configuration is not set in the mbedtls_config.h.
 */
#include "mbedtls/aes.h"
#include "mbedtls/aria.h"
#include "mbedtls/asn1.h"
#include "mbedtls/asn1write.h"
#include "mbedtls/base64.h"
#include "mbedtls/bignum.h"
#include "mbedtls/camellia.h"
#include "mbedtls/ccm.h"
#include "mbedtls/chacha20.h"
#include "mbedtls/chachapoly.h"
#include "mbedtls/cipher.h"
#include "mbedtls/cmac.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/debug.h"
#include "mbedtls/des.h"
#include "mbedtls/dhm.h"
#include "mbedtls/ecdh.h"
#include "mbedtls/ecdsa.h"
#include "mbedtls/ecjpake.h"
#include "mbedtls/ecp.h"
#include "mbedtls/entropy.h"
#include "mbedtls/error.h"
#include "mbedtls/gcm.h"
#include "mbedtls/hkdf.h"
#include "mbedtls/hmac_drbg.h"
#include "mbedtls/md.h"
#include "mbedtls/md5.h"
#include "mbedtls/memory_buffer_alloc.h"
#include "mbedtls/net_sockets.h"
#include "mbedtls/nist_kw.h"
#include "mbedtls/oid.h"
#include "mbedtls/pem.h"
#include "mbedtls/pk.h"
#include "mbedtls/pkcs12.h"
#include "mbedtls/pkcs5.h"
#include "mbedtls/platform_time.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/poly1305.h"
#include "mbedtls/ripemd160.h"
#include "mbedtls/rsa.h"
#include "mbedtls/sha1.h"
#include "mbedtls/sha256.h"
#include "mbedtls/sha512.h"
#include "mbedtls/ssl.h"
#include "mbedtls/ssl_cache.h"
#include "mbedtls/ssl_ciphersuites.h"
#include "mbedtls/ssl_cookie.h"
#include "mbedtls/ssl_ticket.h"
#include "mbedtls/threading.h"
#include "mbedtls/timing.h"
#include "mbedtls/version.h"
#include "mbedtls/x509.h"
#include "mbedtls/x509_crl.h"
#include "mbedtls/x509_crt.h"
#include "mbedtls/x509_csr.h"

#include <string.h>

/*
 * Helper macros to convert a macro or its expansion into a string
 * WARNING: This does not work for expanding function-like macros. However,
 * Mbed TLS does not currently have configuration options used in this fashion.
 */
#define MACRO_EXPANSION_TO_STR(macro)   MACRO_NAME_TO_STR(macro)
#define MACRO_NAME_TO_STR(macro)                                        \
    mbedtls_printf( "%s", strlen( #macro "" ) > 0 ? #macro "\n" : "" )

#define STRINGIFY(macro)  #macro
#define OUTPUT_MACRO_NAME_VALUE(macro) mbedtls_printf( #macro "%s\n",   \
    ( STRINGIFY(macro) "" )[0] != 0 ? "=" STRINGIFY(macro) : "" )

#if defined(_MSC_VER)
/*
 * Visual Studio throws the warning 4003 because many Mbed TLS feature macros
 * are defined empty. This means that from the preprocessor's point of view
 * the macro MBEDTLS_EXPANSION_TO_STR is being invoked without arguments as
 * some macros expand to nothing. We suppress that specific warning to get a
 * clean build and to ensure that tests treating warnings as errors do not
 * fail.
 */
#pragma warning(push)
#pragma warning(disable:4003)
#endif /* _MSC_VER */

int query_config( const char *config )
{
CHECK_CONFIG    /* If the symbol is not found, return an error */
    return( 1 );
}

void list_config( void )
{
    LIST_CONFIG
}
#if defined(_MSC_VER)
#pragma warning(pop)
#endif /* _MSC_VER */