windows-nt/Source/XPSP1/NT/base/efiutil/sdk/shell/time/time.c
2020-09-26 16:20:57 +08:00

117 lines
2.8 KiB
C

/*++
Copyright (c) 1999 Intel Corporation
Module Name:
time.c
Abstract:
Revision History
--*/
#include "shell.h"
EFI_STATUS
InitializeTime (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
EFI_DRIVER_ENTRY_POINT(InitializeTime)
EFI_STATUS
InitializeTime (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*+++
time [hh:mm:ss]
--*/
{
EFI_STATUS Status;
EFI_TIME Time;
CHAR16 *TimeString;
UINT32 i;
InstallInternalShellCommand (
ImageHandle, SystemTable, InitializeTime,
L"time", /* command */
L"time [hh:mm:ss]", /* command syntax */
L"Get or set time", /* 1 line descriptor */
NULL /* command help page */
);
InitializeShellApplication (ImageHandle, SystemTable);
if (SI->Argc > 2) {
Print(L"time [hh:mm:ss]\n");
return EFI_SUCCESS;
}
if (SI->Argc == 1) {
Status = RT->GetTime(&Time,NULL);
if (!EFI_ERROR(Status)) {
Print(L"%02d:%02d:%02d\n",Time.Hour,Time.Minute,Time.Second);
}
return EFI_SUCCESS;
}
if (StrCmp(SI->Argv[1],L"/?") == 0) {
Print(L"time [hh:mm:ss]\n");
return EFI_SUCCESS;
}
if (StrCmp(SI->Argv[1],L"/h") == 0) {
Print(L"time [hh:mm:ss]\n");
return EFI_SUCCESS;
}
Status = RT->GetTime(&Time,NULL);
if (EFI_ERROR(Status)) {
Print(L"error : RTC not functional\n");
return Status;
}
TimeString = SI->Argv[1];
Time.Hour = (UINT8)Atoi(TimeString);
if ((INT8)Time.Hour<0 || Time.Hour>23) {
Print(L"error : invalid hour\n");
return EFI_INVALID_PARAMETER;
}
for(i=0;i<StrLen(TimeString) && TimeString[i]!=':';i++);
if (TimeString[i]==':') {
i++;
Time.Minute = (UINT8)Atoi(&(TimeString[i]));
if ((INT8)Time.Minute<0 || Time.Minute>59) {
Print(L"error : invalid minutes\n");
return EFI_INVALID_PARAMETER;
}
for(;i<StrLen(TimeString) && TimeString[i]!=':';i++);
if (TimeString[i]==':') {
i++;
Time.Second = (UINT8)Atoi(&(TimeString[i]));
} else {
Time.Second = 0;
}
if ((INT8)Time.Second<0 || Time.Second>59) {
Print(L"error : invalid seconds\n");
return EFI_INVALID_PARAMETER;
}
Status = RT->SetTime(&Time);
if (EFI_ERROR(Status)) {
Print(L"error : RTC not functional\n");
return Status;
}
return EFI_SUCCESS;
}
Print(L"error : invalid time format\n");
return EFI_INVALID_PARAMETER;
}