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  * \name SECTION: Module settings
33  *
34  * The configuration options you can set for this module are in this section.
35  * Either change them in mbedtls_config.h or define them on the compiler command line.
36  * \{
37  */
38 
39 /*
40  * The time_t datatype
41  */
42 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
43 typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
44 #else
45 /* For time_t */
46 #include <time.h>
47 typedef time_t mbedtls_time_t;
48 #endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
49 
50 /*
51  * The function pointers for time
52  */
53 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
54 extern mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* time );
55 
56 /**
57  * \brief   Set your own time function pointer
58  *
59  * \param   time_func   the time function implementation
60  *
61  * \return              0
62  */
63 int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* time ) );
64 #else
65 #if defined(MBEDTLS_PLATFORM_TIME_MACRO)
66 #define mbedtls_time    MBEDTLS_PLATFORM_TIME_MACRO
67 #else
68 #define mbedtls_time   time
69 #endif /* MBEDTLS_PLATFORM_TIME_MACRO */
70 #endif /* MBEDTLS_PLATFORM_TIME_ALT */
71 
72 #ifdef __cplusplus
73 }
74 #endif
75 
76 #endif /* platform_time.h */
77