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) 30 FEATURE_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 43 if (feature == NULL) { 44 return -1; 45 } 46 47 while (*idx != NULL) { 48 if (!strcmp(*idx, feature)) { 49 return 0; 50 } 51 idx++; 52 } 53 return -1; 54} 55 56#endif /* MBEDTLS_VERSION_C */ 57