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