123 lines
3 KiB
C
123 lines
3 KiB
C
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/*++
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Copyright (c) 1999 Intel Corporation
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Module Name:
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date.c
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Abstract:
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Revision History
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--*/
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#include "shell.h"
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EFI_STATUS
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InitializeDate (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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EFI_DRIVER_ENTRY_POINT(InitializeDate)
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EFI_STATUS
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InitializeDate (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*+++
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date [mm/dd/yyyy]
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--*/
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{
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EFI_STATUS Status;
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EFI_TIME Time;
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CHAR16 *DateString;
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UINT32 i;
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InstallInternalShellCommand (
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ImageHandle, SystemTable, InitializeDate,
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L"date", /* command */
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L"date [mm/dd/yyyy]", /* command syntax */
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L"Get or set date", /* 1 line descriptor */
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NULL /* command help page */
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);
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InitializeShellApplication (ImageHandle, SystemTable);
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if (SI->Argc > 2) {
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Print(L"date [mm/dd/yyyy]\n");
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return EFI_SUCCESS;
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}
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if (SI->Argc == 1) {
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Status = RT->GetTime(&Time,NULL);
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if (!EFI_ERROR(Status)) {
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Print(L"%02d/%02d/%04d\n",Time.Month,Time.Day,Time.Year);
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}
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return EFI_SUCCESS;
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}
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if (StrCmp(SI->Argv[1],L"/?") == 0) {
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Print(L"date [mm/dd/yyyy]\n");
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return EFI_SUCCESS;
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}
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if (StrCmp(SI->Argv[1],L"/h") == 0) {
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Print(L"date [mm/dd/yyyy]\n");
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return EFI_SUCCESS;
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}
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Status = RT->GetTime(&Time,NULL);
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if (EFI_ERROR(Status)) {
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Print(L"error : Clock not functional\n");
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return Status;
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}
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DateString = SI->Argv[1];
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Time.Month = (UINT8)Atoi(DateString);
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if (Time.Month<1 || Time.Month>12) {
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Print(L"error : invalid month\n");
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return EFI_INVALID_PARAMETER;
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}
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for(i=0;i<StrLen(DateString) && DateString[i]!='/';i++);
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if (DateString[i]=='/') {
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i++;
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Time.Day = (UINT8)Atoi(&(DateString[i]));
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if (Time.Day<1 || Time.Day>31) {
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Print(L"error : invalid day\n");
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return EFI_INVALID_PARAMETER;
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}
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for(;i<StrLen(DateString) && DateString[i]!='/';i++);
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if (DateString[i]=='/') {
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i++;
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Time.Year = (UINT16)Atoi(&(DateString[i]));
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if (Time.Year<100) {
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Time.Year = Time.Year + 1900;
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if (Time.Year < 1998) {
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Time.Year = Time.Year + 100;
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}
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}
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if (Time.Year < 1998) {
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Print(L"error : invalid year\n");
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return EFI_INVALID_PARAMETER;
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}
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Status = RT->SetTime(&Time);
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if (EFI_ERROR(Status)) {
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Print(L"error : Clock not functional\n");
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return Status;
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}
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return EFI_SUCCESS;
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}
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}
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Print(L"error : invalid date format\n");
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return EFI_INVALID_PARAMETER;
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}
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