/*
 *  Query the Mbed TLS compile time configuration
 *
 *  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_printf       printf
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif

#define USAGE                                                                   \
    "usage: %s [ -all | -any | -l ] <MBEDTLS_CONFIG> ...\n\n"                   \
    "This program takes command line arguments which correspond to\n"           \
    "the string representation of Mbed TLS compile time configurations.\n\n"    \
    "If \"--all\" and \"--any\" are not used, then, if all given arguments\n"   \
    "are defined in the Mbed TLS build, 0 is returned; otherwise 1 is\n"        \
    "returned. Macro expansions of configurations will be printed (if any).\n"                                 \
    "-l\tPrint all available configuration.\n"                                  \
    "-all\tReturn 0 if all configurations are defined. Otherwise, return 1\n"   \
    "-any\tReturn 0 if any configuration is defined. Otherwise, return 1\n"     \
    "-h\tPrint this usage\n"

#include <string.h>
#include "query_config.h"

int main( int argc, char *argv[] )
{
    int i;

    if ( argc == 1 || strcmp( argv[1], "-h" ) == 0 )
    {
        mbedtls_printf( USAGE, argv[0] );
        return( MBEDTLS_EXIT_FAILURE );
    }

    if( strcmp( argv[1], "-l" ) == 0 )
    {
        list_config();
        return( 0 );
    }

    if( strcmp( argv[1], "-all" ) == 0 )
    {
        for( i = 2; i < argc; i++ )
        {
            if( query_config( argv[i] ) != 0 )
                return( 1 );
        }
        return( 0 );
    }

    if( strcmp( argv[1], "-any" ) == 0 )
    {
        for( i = 2; i < argc; i++ )
        {
            if( query_config( argv[i] ) == 0 )
                return( 0 );
        }
        return( 1 );
    }

    for( i = 1; i < argc; i++ )
    {
        if( query_config( argv[i] ) != 0 )
            return( 1 );
    }

    return( 0 );
}