1/*
2 *  Version feature information
3 *
4 *  Copyright The Mbed TLS Contributors
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
20#include "common.h"
21
22#if defined(MBEDTLS_VERSION_C)
23
24#include "mbedtls/version.h"
25
26#include <string.h>
27
28static const char * const features[] = {
29#if defined(MBEDTLS_VERSION_FEATURES)
30FEATURE_DEFINES
31#endif /* MBEDTLS_VERSION_FEATURES */
32    NULL
33};
34
35int mbedtls_version_check_feature( const char *feature )
36{
37    const char * const *idx = features;
38
39    if( *idx == NULL )
40        return( -2 );
41
42    if( feature == NULL )
43        return( -1 );
44
45    while( *idx != NULL )
46    {
47        if( !strcmp( *idx, feature ) )
48            return( 0 );
49        idx++;
50    }
51    return( -1 );
52}
53
54#endif /* MBEDTLS_VERSION_C */
55