From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=92.121.34.13; helo=inva020.nxp.com; envelope-from=meenakshi.aggarwal@nxp.com; receiver=edk2-devel@lists.01.org Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id CC0EA210CEA29 for ; Thu, 31 May 2018 04:15:32 -0700 (PDT) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 17DDC1A0011; Thu, 31 May 2018 13:15:31 +0200 (CEST) Received: from inv0113.in-blr01.nxp.com (inv0113.in-blr01.nxp.com [165.114.116.118]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id D8DEE1A000A; Thu, 31 May 2018 13:15:30 +0200 (CEST) Received: from uefi-OptiPlex-790.ap.freescale.net (uefi-OptiPlex-790.ap.freescale.net [10.232.132.78]) by inv0113.in-blr01.nxp.com (Postfix) with ESMTP id E91E4342; Thu, 31 May 2018 16:45:29 +0530 (IST) From: Meenakshi Aggarwal To: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org, edk2-devel@lists.01.org Date: Thu, 31 May 2018 22:32:40 +0530 Message-Id: <1527786160-9755-1-git-send-email-meenakshi.aggarwal@nxp.com> X-Mailer: git-send-email 1.9.1 X-Virus-Scanned: ClamAV using ClamSMTP Subject: [PATCH] EmbeddedPkg/TimeBaseLib: Add function to get Week day. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 May 2018 11:15:33 -0000 This patch add function EfiTimeToWday() which returns day of the week. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Meenakshi Aggarwal Signed-off-by: Vabhav --- EmbeddedPkg/Include/Library/TimeBaseLib.h | 8 ++++++ EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c | 38 ++++++++++++++++++++++++--- 2 files changed, 43 insertions(+), 3 deletions(-) diff --git a/EmbeddedPkg/Include/Library/TimeBaseLib.h b/EmbeddedPkg/Include/Library/TimeBaseLib.h index fe3618e..dd0b99f 100644 --- a/EmbeddedPkg/Include/Library/TimeBaseLib.h +++ b/EmbeddedPkg/Include/Library/TimeBaseLib.h @@ -65,4 +65,12 @@ EfiTimeToEpoch ( IN EFI_TIME *Time ); +/** + returns Day of the week [0-6] 0=Sunday + **/ +UINTN +EfiTimeToWday ( + IN EFI_TIME *Time + ); + #endif diff --git a/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c b/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c index 0c0d940..5f2bf65 100644 --- a/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c +++ b/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c @@ -77,11 +77,11 @@ EpochToEfiTime ( } /** - Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) + Calculate Epoch days **/ UINTN EFIAPI -EfiTimeToEpoch ( +EfiGetEpochDays ( IN EFI_TIME *Time ) { @@ -90,7 +90,6 @@ EfiTimeToEpoch ( UINTN m; UINTN JulianDate; // Absolute Julian Date representation of the supplied Time UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY - UINTN EpochSeconds; a = (14 - Time->Month) / 12 ; y = Time->Year + 4800 - a; @@ -101,11 +100,44 @@ EfiTimeToEpoch ( ASSERT (JulianDate >= EPOCH_JULIAN_DATE); EpochDays = JulianDate - EPOCH_JULIAN_DATE; + return EpochDays; +} +/** + Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) + **/ +UINTN +EFIAPI +EfiTimeToEpoch ( + IN EFI_TIME *Time + ) +{ + UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY + UINTN EpochSeconds; + + EpochDays = EfiGetEpochDays (Time); + EpochSeconds = (EpochDays * SEC_PER_DAY) + ((UINTN)Time->Hour * SEC_PER_HOUR) + (Time->Minute * SEC_PER_MIN) + Time->Second; return EpochSeconds; } +/** + returns Day of the week [0-6] 0=Sunday + **/ +UINTN +EfiTimeToWday ( + IN EFI_TIME *Time + ) +{ + UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY + + EpochDays = EfiGetEpochDays (Time); + + // 4=1/1/1970 was a Thursday + + return (EpochDays + 4) % 7; +} + BOOLEAN EFIAPI IsLeapYear ( -- 1.9.1