1/*
2 *  Version feature information
3 *
4 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
5 *  SPDX-License-Identifier: Apache-2.0
6 *
7 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
8 *  not use this file except in compliance with the License.
9 *  You may obtain a copy of the License at
10 *
11 *  http://www.apache.org/licenses/LICENSE-2.0
12 *
13 *  Unless required by applicable law or agreed to in writing, software
14 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 *  See the License for the specific language governing permissions and
17 *  limitations under the License.
18 *
19 *  This file is part of mbed TLS (https://tls.mbed.org)
20 */
21
22#if !defined(MBEDTLS_CONFIG_FILE)
23#include "mbedtls/config.h"
24#else
25#include MBEDTLS_CONFIG_FILE
26#endif
27
28#if defined(MBEDTLS_VERSION_C)
29
30#include "mbedtls/version.h"
31
32#include <string.h>
33
34static const char *features[] = {
35#if defined(MBEDTLS_VERSION_FEATURES)
36FEATURE_DEFINES
37#endif /* MBEDTLS_VERSION_FEATURES */
38    NULL
39};
40
41int mbedtls_version_check_feature( const char *feature )
42{
43    const char **idx = features;
44
45    if( *idx == NULL )
46        return( -2 );
47
48    if( feature == NULL )
49        return( -1 );
50
51    while( *idx != NULL )
52    {
53        if( !strcmp( *idx, feature ) )
54            return( 0 );
55        idx++;
56    }
57    return( -1 );
58}
59
60#endif /* MBEDTLS_VERSION_C */
61