programs/test/cmake_package/cmake_package.c

/*
 *  Simple program to test that Mbed TLS builds correctly as a CMake package.
 *
 *  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"

#if defined(MBEDTLS_PLATFORM_C)
#    include "mbedtls/platform.h"
#else
#    include <stdio.h>
#    include <stdlib.h>
#    define mbedtls_fprintf      fprintf
#    define mbedtls_printf       printf
#    define mbedtls_exit         exit
#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */

#include "mbedtls/version.h"

/* The main reason to build this is for testing the CMake build, so the program
 * doesn't need to do very much. It calls a single library function to ensure
 * linkage works, but that is all. */
int main()
{
    /* This version string is 18 bytes long, as advised by version.h. */
    char version[18];

    mbedtls_version_get_string_full(version);

    mbedtls_printf("Built against %s\n", version);

    return 0;
}