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80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/**
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* \file platform_time.h
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*
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* \brief Mbed TLS Platform time abstraction
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef MBEDTLS_PLATFORM_TIME_H
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#define MBEDTLS_PLATFORM_TIME_H
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#include "mbedtls/build_info.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The time_t datatype
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*/
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#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
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typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
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#else
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/* For time_t */
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#include <time.h>
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typedef time_t mbedtls_time_t;
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#endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
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#if defined(MBEDTLS_PLATFORM_MS_TIME_TYPE_MACRO)
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typedef MBEDTLS_PLATFORM_MS_TIME_TYPE_MACRO mbedtls_ms_time_t;
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#else
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#include <stdint.h>
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#include <inttypes.h>
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typedef int64_t mbedtls_ms_time_t;
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#endif /* MBEDTLS_PLATFORM_MS_TIME_TYPE_MACRO */
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/**
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* \brief Get time in milliseconds.
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*
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* \return Monotonically-increasing current time in milliseconds.
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*
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* \note Define MBEDTLS_PLATFORM_MS_TIME_ALT to be able to provide an
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* alternative implementation
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*
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* \warning This function returns a monotonically-increasing time value from a
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* start time that will differ from platform to platform, and possibly
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* from run to run of the process.
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*
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*/
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mbedtls_ms_time_t mbedtls_ms_time(void);
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/*
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* The function pointers for time
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*/
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#if defined(MBEDTLS_PLATFORM_TIME_ALT)
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extern mbedtls_time_t (*mbedtls_time)(mbedtls_time_t *time);
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/**
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* \brief Set your own time function pointer
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*
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* \param time_func the time function implementation
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*
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* \return 0
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*/
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int mbedtls_platform_set_time(mbedtls_time_t (*time_func)(mbedtls_time_t *time));
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#else
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#if defined(MBEDTLS_PLATFORM_TIME_MACRO)
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#define mbedtls_time MBEDTLS_PLATFORM_TIME_MACRO
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#else
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#define mbedtls_time time
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#endif /* MBEDTLS_PLATFORM_TIME_MACRO */
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#endif /* MBEDTLS_PLATFORM_TIME_ALT */
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#ifdef __cplusplus
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}
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#endif
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#endif /* platform_time.h */
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