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  * \name SECTION: Module settings
37  *
38  * The configuration options you can set for this module are in this section.
39  * Either change them in config.h or define them on the compiler command line.
40  * \{
41  */
42 
43 /*
44  * The time_t datatype
45  */
46 #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
47 typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
48 #else
49 /* For time_t */
50 #include <time.h>
51 typedef time_t mbedtls_time_t;
52 #endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
53 
54 /*
55  * The function pointers for time
56  */
57 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
58 extern mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* time );
59 
60 /**
61  * \brief   Set your own time function pointer
62  *
63  * \param   time_func   the time function implementation
64  *
65  * \return              0
66  */
67 int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* time ) );
68 #else
69 #if defined(MBEDTLS_PLATFORM_TIME_MACRO)
70 #define mbedtls_time    MBEDTLS_PLATFORM_TIME_MACRO
71 #else
72 #define mbedtls_time   time
73 #endif /* MBEDTLS_PLATFORM_TIME_MACRO */
74 #endif /* MBEDTLS_PLATFORM_TIME_ALT */
75 
76 #ifdef __cplusplus
77 }
78 #endif
79 
80 #endif /* platform_time.h */
81