1/* 2 * Version feature information 3 * 4 * Copyright The Mbed TLS Contributors 5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 6 * 7 * This file is provided under the Apache License 2.0, or the 8 * GNU General Public License v2.0 or later. 9 * 10 * ********** 11 * Apache License 2.0: 12 * 13 * Licensed under the Apache License, Version 2.0 (the "License"); you may 14 * not use this file except in compliance with the License. 15 * You may obtain a copy of the License at 16 * 17 * http://www.apache.org/licenses/LICENSE-2.0 18 * 19 * Unless required by applicable law or agreed to in writing, software 20 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 21 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 22 * See the License for the specific language governing permissions and 23 * limitations under the License. 24 * 25 * ********** 26 * 27 * ********** 28 * GNU General Public License v2.0 or later: 29 * 30 * This program is free software; you can redistribute it and/or modify 31 * it under the terms of the GNU General Public License as published by 32 * the Free Software Foundation; either version 2 of the License, or 33 * (at your option) any later version. 34 * 35 * This program is distributed in the hope that it will be useful, 36 * but WITHOUT ANY WARRANTY; without even the implied warranty of 37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 38 * GNU General Public License for more details. 39 * 40 * You should have received a copy of the GNU General Public License along 41 * with this program; if not, write to the Free Software Foundation, Inc., 42 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 43 * 44 * ********** 45 */ 46 47#if !defined(MBEDTLS_CONFIG_FILE) 48#include "mbedtls/config.h" 49#else 50#include MBEDTLS_CONFIG_FILE 51#endif 52 53#if defined(MBEDTLS_VERSION_C) 54 55#include "mbedtls/version.h" 56 57#include <string.h> 58 59static const char *features[] = { 60#if defined(MBEDTLS_VERSION_FEATURES) 61FEATURE_DEFINES 62#endif /* MBEDTLS_VERSION_FEATURES */ 63 NULL 64}; 65 66int mbedtls_version_check_feature( const char *feature ) 67{ 68 const char **idx = features; 69 70 if( *idx == NULL ) 71 return( -2 ); 72 73 if( feature == NULL ) 74 return( -1 ); 75 76 while( *idx != NULL ) 77 { 78 if( !strcmp( *idx, feature ) ) 79 return( 0 ); 80 idx++; 81 } 82 return( -1 ); 83} 84 85#endif /* MBEDTLS_VERSION_C */ 86