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-rw-r--r--StdLib/LibC/Time/TimeEfi.c110
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diff --git a/StdLib/LibC/Time/TimeEfi.c b/StdLib/LibC/Time/TimeEfi.c
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--- a/StdLib/LibC/Time/TimeEfi.c
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-/** @file
- Transformations between the EFI_TIME structure and struct tm or time_t.
-
- Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-#include <Uefi.h>
-
-#include <LibConfig.h>
-
-#include <time.h>
-#include "tzfile.h"
-#include <MainData.h>
-
-/** Convert an EFI_TIME structure into a C Standard tm structure.
-
- @param[in] ET Pointer to the EFI_TIME structure to convert.
- @param[out] BT Pointer to the tm structure to receive the converted time.
-*/
-void
-Efi2Tm(
- IN EFI_TIME *ET,
- OUT struct tm *BT
- )
-{
- // Convert EFI time to broken-down time.
- BT->tm_year = ET->Year - TM_YEAR_BASE;
- BT->tm_mon = ET->Month - 1; // BD time is zero based, EFI is 1 based
- BT->tm_mday = ET->Day;
- BT->tm_hour = ET->Hour;
- BT->tm_min = ET->Minute;
- BT->tm_sec = ET->Second;
- BT->tm_isdst = -1;
- BT->tm_zoneoff = ET->TimeZone;
- BT->tm_daylight = ET->Daylight;
- BT->tm_Nano = ET->Nanosecond;
-}
-
-/** Convert an EFI_TIME structure into a time_t value.
-
- @param[in] EfiBDtime Pointer to the EFI_TIME structure to convert.
-
- @return The EFI_TIME converted into a time_t value.
-*/
-time_t
-Efi2Time(
- IN EFI_TIME *EfiBDtime
- )
-{
- Efi2Tm( EfiBDtime, &gMD->BDTime);
-
- return mktime( &gMD->BDTime);
-}
-
-/** Convert a C Standard tm structure into an EFI_TIME structure.
-
- @param[in] BT Pointer to the tm structure to convert.
- @param[out] ET Pointer to an EFI_TIME structure to receive the converted time.
-*/
-void
-Tm2Efi(
- IN struct tm *BT,
- OUT EFI_TIME *ET
- )
-{
- ET->Year = (UINT16)BT->tm_year + TM_YEAR_BASE;
- ET->Month = (UINT8)BT->tm_mon + 1;
- ET->Day = (UINT8)BT->tm_mday;
- ET->Hour = (UINT8)BT->tm_hour;
- ET->Minute = (UINT8)BT->tm_min;
- ET->Second = (UINT8)BT->tm_sec;
- ET->Nanosecond = (UINT32)BT->tm_Nano;
- ET->TimeZone = (INT16)BT->tm_zoneoff;
- ET->Daylight = (UINT8)BT->tm_daylight;
-}
-
-/** Convert a time_t value into an EFI_TIME structure.
-
- @param[in] CalTime Calendar time as a time_t value.
-
- @return Returns a newly malloced EFI_TIME structure containing
- the converted calendar time.
-
- @post It is the responsibility of the caller to free the
- returned structure before the application exits.
-*/
-EFI_TIME*
-Time2Efi(
- IN time_t CalTime
- )
-{
- struct tm *IT;
- EFI_TIME *ET = NULL;
-
- IT = gmtime(&CalTime);
- if(IT != NULL) {
- ET = malloc(sizeof(EFI_TIME));
- if(ET != NULL) {
- Tm2Efi(IT, ET);
- }
- }
- return ET;
-}