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1 /**
2  * \file platform_time.h
3  *
4  * \brief mbed TLS Platform time abstraction
5  */
6 /*
7  *  Copyright The Mbed TLS Contributors
8  *  SPDX-License-Identifier: Apache-2.0
9  *
10  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
11  *  not use this file except in compliance with the License.
12  *  You may obtain a copy of the License at
13  *
14  *  http://www.apache.org/licenses/LICENSE-2.0
15  *
16  *  Unless required by applicable law or agreed to in writing, software
17  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  *  See the License for the specific language governing permissions and
20  *  limitations under the License.
21  */
22 #ifndef MBEDTLS_PLATFORM_TIME_H
23 #define MBEDTLS_PLATFORM_TIME_H
24 
25 #include "mbedtls/build_info.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 /*
32  * The time_t datatype
33  */
34 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
35 typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
36 #else
37 /* For time_t */
38 #include <time.h>
39 typedef time_t mbedtls_time_t;
40 #endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
41 
42 /*
43  * The function pointers for time
44  */
45 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
46 extern mbedtls_time_t (*mbedtls_time)(mbedtls_time_t *time);
47 
48 /**
49  * \brief   Set your own time function pointer
50  *
51  * \param   time_func   the time function implementation
52  *
53  * \return              0
54  */
55 int mbedtls_platform_set_time(mbedtls_time_t (*time_func)(mbedtls_time_t *time));
56 #else
57 #if defined(MBEDTLS_PLATFORM_TIME_MACRO)
58 #define mbedtls_time    MBEDTLS_PLATFORM_TIME_MACRO
59 #else
60 #define mbedtls_time   time
61 #endif /* MBEDTLS_PLATFORM_TIME_MACRO */
62 #endif /* MBEDTLS_PLATFORM_TIME_ALT */
63 
64 #ifdef __cplusplus
65 }
66 #endif
67 
68 #endif /* platform_time.h */
69