c06635ea3f
EfiTimeToEpoch() calls EfiGetEpochDays() internally, which (reasonably) returns a UINTN. But then EfiTimeToEpoch() truncates the EfiGetEpochDays() retval to UINT32 for no good reason, effectively restricting Time->Year under 2106. This truncation was pointed out with a valid warning (= build error) by VS2019. Allow EfiTimeToEpoch() to return / propagate a UINTN value. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20201221113657.6779-3-lersek@redhat.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/** @file
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*
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* Copyright (c) 2016, Hisilicon Limited. All rights reserved.
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* Copyright (c) 2016-2019, Linaro Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#ifndef _TIME_BASE_LIB_H_
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#define _TIME_BASE_LIB_H_
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#include <Uefi/UefiBaseType.h>
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//
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// Convenience macros to obtain a build date
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//
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// These macros should work for any compiler that follows ISO/IEC 9899,
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// in which case __DATE__ is defined as a "Mmm dd yyyy" 11 chars string,
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// but add an explicit filter for compilers that have been validated.
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//
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#if (defined(__GNUC__) || defined(_MSC_VER) || defined(__clang__))
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#define TIME_BUILD_YEAR (__DATE__[7] == '?' ? 1900 \
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: (((__DATE__[7] - '0') * 1000 ) \
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+ (__DATE__[8] - '0') * 100 \
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+ (__DATE__[9] - '0') * 10 \
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+ __DATE__[10] - '0'))
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#define TIME_BUILD_MONTH ( __DATE__ [2] == '?' ? 1 \
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: __DATE__ [2] == 'n' ? ( \
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__DATE__ [1] == 'a' ? 1 : 6) \
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: __DATE__ [2] == 'b' ? 2 \
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: __DATE__ [2] == 'r' ? ( \
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__DATE__ [0] == 'M' ? 3 : 4) \
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: __DATE__ [2] == 'y' ? 5 \
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: __DATE__ [2] == 'l' ? 7 \
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: __DATE__ [2] == 'g' ? 8 \
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: __DATE__ [2] == 'p' ? 9 \
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: __DATE__ [2] == 't' ? 10 \
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: __DATE__ [2] == 'v' ? 11 \
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: 12)
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#define TIME_BUILD_DAY ( __DATE__[4] == '?' ? 1 \
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: ((__DATE__[4] == ' ' ? 0 : \
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((__DATE__[4] - '0') * 10)) \
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+ __DATE__[5] - '0'))
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#endif
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// Define EPOCH (1970-JANUARY-01) in the Julian Date representation
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#define EPOCH_JULIAN_DATE 2440588
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// Seconds per unit
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#define SEC_PER_MIN ((UINTN) 60)
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#define SEC_PER_HOUR ((UINTN) 3600)
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#define SEC_PER_DAY ((UINTN) 86400)
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BOOLEAN
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EFIAPI
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IsLeapYear (
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IN EFI_TIME *Time
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);
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BOOLEAN
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EFIAPI
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IsDayValid (
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IN EFI_TIME *Time
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);
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BOOLEAN
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EFIAPI
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IsTimeValid (
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IN EFI_TIME *Time
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);
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/**
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Converts Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) to EFI_TIME
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**/
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VOID
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EFIAPI
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EpochToEfiTime (
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IN UINTN EpochSeconds,
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OUT EFI_TIME *Time
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);
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/**
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Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
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**/
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UINTN
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EFIAPI
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EfiTimeToEpoch (
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IN EFI_TIME *Time
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);
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/**
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returns Day of the week [0-6] 0=Sunday
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**/
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UINTN
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EfiTimeToWday (
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IN EFI_TIME *Time
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);
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#endif
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