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 #if !defined(MBEDTLS_CONFIG_FILE)
26 #include "mbedtls/config.h"
27 #else
28 #include MBEDTLS_CONFIG_FILE
29 #endif
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * The time_t datatype
37  */
38 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
39 typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
40 #else
41 /* For time_t */
42 #include <time.h>
43 typedef time_t mbedtls_time_t;
44 #endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
45 
46 /*
47  * The function pointers for time
48  */
49 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
50 extern mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* time );
51 
52 /**
53  * \brief   Set your own time function pointer
54  *
55  * \param   time_func   the time function implementation
56  *
57  * \return              0
58  */
59 int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* time ) );
60 #else
61 #if defined(MBEDTLS_PLATFORM_TIME_MACRO)
62 #define mbedtls_time    MBEDTLS_PLATFORM_TIME_MACRO
63 #else
64 #define mbedtls_time   time
65 #endif /* MBEDTLS_PLATFORM_TIME_MACRO */
66 #endif /* MBEDTLS_PLATFORM_TIME_ALT */
67 
68 #ifdef __cplusplus
69 }
70 #endif
71 
72 #endif /* platform_time.h */
73