mirror of https://github.com/acidanthera/audk.git
EmbeddedPkg/TimeBaseLib: Add function to get Week day.
This patch add function EfiTimeToWday() which returns day of the week. It is needed by our upcoming patches in edk2-platforms. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com> Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
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@ -65,4 +65,12 @@ 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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@ -77,11 +77,11 @@ EpochToEfiTime (
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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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Calculate Epoch days
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**/
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UINTN
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EFIAPI
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EfiTimeToEpoch (
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EfiGetEpochDays (
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IN EFI_TIME *Time
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)
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{
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@ -90,7 +90,6 @@ EfiTimeToEpoch (
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UINTN m;
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UINTN JulianDate; // Absolute Julian Date representation of the supplied Time
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UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
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UINTN EpochSeconds;
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a = (14 - Time->Month) / 12 ;
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y = Time->Year + 4800 - a;
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@ -101,11 +100,44 @@ EfiTimeToEpoch (
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ASSERT (JulianDate >= EPOCH_JULIAN_DATE);
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EpochDays = JulianDate - EPOCH_JULIAN_DATE;
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return EpochDays;
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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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UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
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UINTN EpochSeconds;
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EpochDays = EfiGetEpochDays (Time);
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EpochSeconds = (EpochDays * SEC_PER_DAY) + ((UINTN)Time->Hour * SEC_PER_HOUR) + (Time->Minute * SEC_PER_MIN) + Time->Second;
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return EpochSeconds;
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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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{
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UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
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EpochDays = EfiGetEpochDays (Time);
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// 4=1/1/1970 was a Thursday
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return (EpochDays + 4) % 7;
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}
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BOOLEAN
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EFIAPI
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IsLeapYear (
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